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 94 RMW on the Dyno.

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ShamelessTR

ShamelessTR

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PostSubject: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 1:55 pm

Not a question, was presented with the opportunity to strap the ol' Wagon to a Dyno today and do a few power pulls and a few 1/4 mile runs. She is pretty much completely stock, the only mods being the puck, PVC, and swiss cheese air box. Final numbers floated right around 257 Horsepower and 347 ft. lbs of torque and my best quarter was a 14.2 with a .038 reaction time... Ha. Was pretty excited with those numbers out of a tired old RMW and just thought I'd share. Have a great day everyone.
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 2:00 pm

Someone else can chime in, but that dyno seems pretty generous. I don't see the mods listed giving you 40 plus hp. Nor do I see your car running that quick. No offense by the way.
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 2:19 pm

The dyno is known to be low honestly... But I wouldn't be willing to put money on it's  accuracy in any case.... It is well taken care of and run all the time... In any case you can say whatever you like. The dyno says what it says and I have about 50 plus witnesses to my run and numbers.

P.S. It was not near as generous to the 96 Vette that ran before me and raised our curiosity about the LT1 Wagon... Ha.
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 2:28 pm

Doesn't matter who saw it, just if the numbers make sense. Assuming a 20% power loss through the drive train, it's highly unlikely the car puts out those numbers. Unless the motor has had work done you don't know about, it did not gain that much power from the mods listed. There is a pretty good article in Chevy high performance ( I believe) from a few years ago. They built a caprice sedan 9c1, and I don't believe they even came close to your numbers. All I am saying is maybe someone made an error when inputing and setting up the dyno before your run.
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 2:32 pm

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Link to said article
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 2:36 pm

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And part 2. They have done much more work and still not the same numbers
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steel-and-fire



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 3:36 pm

Unless the dyno measured the mechanical drag from the wheels and the numbers are actually brake horsepower figures. Not to mention the colder air is helping a car outside of Philly.

If this is truly wheel horsepower, then I'd imagine a dyno issue. If its a converted and calculated brake horsepower number, then its not too far off.
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https://www.youtube.com/weltallid123
ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 6:01 pm

So the first article is mostly about rebuilding the trans, which I should... And eventually will do, but there is no HP there... Then a rear and some tires which will definitely give you the advantage on a real track, but at these low powers and strapped down to a dyno I don't have the slightest worry about traction... Then in the second article they slap a WAI and a throttle body on it and get close to my numbers on the dyno and a REAL track. So what HP mods does that car have over mine? A better rear end ratio? And the last 11-12 HP can be left to a Dyno that has never made anyone happy. Ha. Though you have succeeded... In convincing me that a TB should be my next upgrade and getting these Tri-Ys bolted in! Ha.

I know those numbers are WCF. I don't remember what correction factor they use...
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeFri Jan 09, 2015 8:34 pm

They also put on a cold air intake, which is essentially what you did. It did not net 40 plus horsepower and neither did you. They also added a performance exhaust system, which you have not, and still no 40 hp.
I'm telling you, the dump you used is wrong. I'd love to see that car run anywhere close to what that dyno says. You have a good bit of weight over the caprice in the article, and it's not so fast times would walk on that wagon, even though your dyno says other wise
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phantom 309

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 3:15 am

Ha,.... ha,.... ha,...

you related to 81X11??


I call bullsh!t too,. no offense,. i,m just saying etc,.an i bin doing ,. reading this ish a long time,.
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 7:27 am

Nope. Not related to anybody. Just a guy who turns wrenches for a living and has access to a Mustang Dyno. A dyno I've helped run at least 100 cars on... Have run 7 myself, three of which were mine. The old man doesn't really like power pulls, so we mostly use it for tuning and diag. purposes.

Now if any of you have a Dyno and want to show me how wrong or broken our dyno is... Please don't hesitate to invite me. I love this ish and WE do it every day. Ha. In the end talk is cheap, equipment is not. Ha.
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lakeffect
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lakeffect

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 8:50 am

Maybe it's simply of question of a true "on the ground" 1/4 mile time has to push 4200 lbs down the track as compared to revolving the dyno drum.

Dunno, just a question with plenty of room for opinions.

14.2 is relatively believable to me. No one has listed the official GM spec for 1994 LT1 horsepower yet either. My recollection for an old man's memory is that it was around 260hp
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Guest
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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 10:17 am

Awesome that you got your wagon on a dyno!How do they charge you on the "Dyno Days" that are open to the public?My buddy is charged by the hour and the rate varied according to how many cars were waiting to do pulls.
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Andebe

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 11:05 am

If this keeps up Im afraid more Youtube videos will surface... Rolling Eyes
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 11:08 am

260 is the rating for engine. 14.2 however is not believable. Stock form they may run mid 15's. So this dyno is telling him a homemade air intake is betting him over a 1 second drop in et and a jump of nearly 50 hp. It wouldn't matter about slip on a track. These cars have enough weight over the rear and light enough gearing that slip would me minimal if at all on the track.

All that is being said here is the dyno had an error that day. If an air intake mod alone gains this much power, then I'll dye my hair pink. Since it does not, either there is more work done to this car that's not being listed, or the dyno is not correct. What hasn't been stated was of this is wheel or estimated engine horsepower. As steel and fire stated, if it's listing a conversion for engine horsepower, then it's probably not too far off, just a little generous on the et. What mph did it list for that et?
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jayoldschool

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 12:49 pm

I seem to remember that Mustang dynos read higher than Dynojet. Just going off old memory... FWIW
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 4:01 pm

Starting with Lake Effect and working down... The machine said the weight it was using for the calculation was 4800... But your still not pushing a brick down a track with air resistance on a hot day... This was a run strapped down on a below freezing day. I dunno for sure... All I do know is the info the machine spit out.

Flasheroo... As far as what they charge... It's a school Dyno so there is no charge. It's a few years old and we've gotten to beat on it with some true monsters. I'll never forget the way the '70 Chevelle SS could be heard clearly throughout the building. Though I have to say I like the engine dyno over the chassis dyno... It just gives you so much more data with EGTs and the like streaming at you in live time.

Andebe Youtube videos? I like youtube videos. I should post some of the videos on my phone to youtube. I still have the video of the circle track car on the dyno on my phone.

I'll skip over 71Novaguy cause he's still just saying the same things over and over... 94.6 was the trap speed iirc...

Jayoldschool I've heard the same thing for years and if you ask the "old man" he'll claim that it's all BS so I dunno for sure on that one. Probably the unhappiest owner we've had was of a Stage 2 Rousch Mustang that didn't put half of what it claimed to the ground... He never brought it back...

And while I have the attention of people who have more experience with this platform than I... I thought I looked up that the top speed was governed to 98 mph (maybe I'm just getting it confused with my Tahoe) but when I had it on the dyno it didn't pull out to 118 mph. Is that stock? Or a sign of someone monkeyin' around with the programming?
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jayoldschool

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 4:15 pm

Also, let me state that I would love to have a free dyno to use. High, low, whatever, I wouldn't care.
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 4:27 pm

That's my opinion on it!!!!

We also use to it to end arguments... A major plus.

Posted just for y'all. The Vette that ran before me. Don't  have any video of the Wagon running cause.... I was busy driving the Wagon. Ha.
96 GS Corvette: [You must be registered and logged in to see this link.]

And the circle track car a few months back...
BUTLER: [You must be registered and logged in to see this link.]
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BigBlackBeaSSt

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 4:56 pm

Yeah..... sorry but I have to agree with crowd on this one, but the dyno is smoking crack. A stock NEW B-body LT1 is rated at 260 HP and about 300 ft lbs of torque (at the flywheel). On a dyno it would be typical to have 215 HP (10-15% parasitic loss with a auto tranny). Now my Impala with a good size cam, full exhaust, roller rockers, etc. did about 300 HP and 300 ft lbs of torque. There is NO WAY you got 347 ft lbs of torque much less almost 250 HP.
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Andebe

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 6:12 pm

Shameless TR,I hope you see this conversation as among friends,like minded people if you will. These remarks arent from haters...but from been there,done that folks,that got the t-shirt to prove it. Dont take these as attacks,hate to lose a newby. My Youtube comment was shot at Nick trying to get a smirk out of him...inside joke. Hang around long enough you will be in on a few.
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phantom 309

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 8:40 pm

well,. HA,.
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 9:04 pm

Yeah I like most of you that I've met thus far. I'm not hurt or affected in any way really. I just figured I'd share my Wagon misadventures. I love it no matter how many horses the tired ol' girl can spin out... And heck life on a Dysfunctional Dyno has got to still be better than rotting under a tree waiting to be scrap metal. Ha.
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSat Jan 10, 2015 9:17 pm

No hating here, just experience. Worked at a drag strip many years and been around the dyno. Know enough to call bs when I see it. Wasn't saying he was lying, just that he might not know the dyno was lying.
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BigBlackBeaSSt

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 8:16 am

Well said 71novaguy. Love the wagon & owner, question the dyno
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lakeffect
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lakeffect

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 8:40 am

It would have been better numbers if you had some sheep in the back rooting you on.

No haters here. just conversation on a day too freaking cold to do much else.
Dave
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lornejay1

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 10:24 am

Put me down in the can't believe it column as well

   Stock,Herter squeezed another 10 15 hp out with a tune,and 15:5 was the 1/4 time,two drivers,three passes.

  Lost to a 14 flat and he had more than an air filter for mods.

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  Wagon has more mods,better gears,and is not as quick.

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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 11:25 am

Ha. I'm guessing Herter is the name of your Wagon... There is no way for you or anyone here to know this but your one letter off my last name... Creepy. Ha. There is 88k miles worth of chance for people to have messed with this Wagon and I wouldn't know about it. My uncle bought it from an auction to yank the engine for his Camino but instead it got used as a DD until the "trans blew up"... My question on limiter speed was overlooked as well as answers to questions that were then asked again. Ha. I still stick with my original assertion that it doesn't matter what y'all think of the dyno or the numbers my wagon pulled out of it, it is the basis on which we judge each others cars and the Wagon had a grand showing. Ha. You can not believe it all you like.
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lornejay1

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 12:29 pm

ShamelessTR wrote:
Ha. I'm guessing Herter is the name of your Wagon... There is no way for you or anyone here to know this but your one letter off my last name... Creepy. Ha. There is 88k miles worth of chance for people to have messed with this Wagon and I wouldn't know about it. My uncle bought it from an auction to yank the engine for his Camino but instead it got used as a DD until the "trans blew up"... My question on limiter speed was overlooked as well as answers to questions that were then asked again. Ha. I still stick with my original assertion that it doesn't  matter what y'all think of the dyno or the numbers my wagon pulled out of it, it is the basis on which we judge each others cars and the Wagon had a grand showing. Ha. You can not believe it all you like.

Like the others have already stated, we are just basing our comments on our personal experience.

Herter is a person,First name Brian and he did the tunes on a lot of these cars from the early years.

I will end on this note,How come we all can't get our cars anywhere near 13's if they were as close as you say you are with a low 14,basically stock? Just think about that,a gear change alone would make it possible.

I bet there aren't 5 cars in total here capable of 13's.

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benn

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 1:43 pm

well lets say the dyno isnt wrong. what mods could be done to his car that he may not know about that could get it into low 14 territory and that hp/tq? tune? 1.6/1.7 RR? gears? cam?
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 1:51 pm

Herter being a last name makes it even creeper... As an fyi. Ha. Very likely to be related based purely on the very low number of people with our last name... And the story passed down my family as to the lineage and evolution of our name... The one letter missing is the one claimed to be added on Ellis Island to make our name "easier for the American tongue"..... Ha. Anyway... Your dyno day looks awfully warm in those pictures as well... Mine was on a 18 degree day... That should be considered as well.
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71novaguy



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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 3:12 pm

Stock speed limiter should be 108, not 118
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ShamelessTR

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 3:34 pm

Hmm... Been up to 118 twice now. Once on the Dyno and once on the Highway late at night....

The Opti had been rebuilt and monkeyed with a little by an old man before he decided to stop dragging his Maro and start hill climb events and converted the car to full mechanical fuel injection system and sold me the unit with a set of MSD wires, that I never put on, and an Accel coil that's caused me some grief.... Ha.
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lakeffect
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lakeffect

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PostSubject: Re: 94 RMW on the Dyno.   94 RMW on the Dyno. Icon_minitimeSun Jan 11, 2015 7:59 pm

As you mentioned , plenty of prior owner miles to have been fiddled with.

I'm hoping to hit 13's this summer with heavy mods as noted in my signature below.

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