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 duels on a 93 wagon

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GSBULLDOG

GSBULLDOG

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PostSubject: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 3:37 pm

I`m about done with my wagon and wanted to put true duel exhaust on it . But the shop I was going to use said that 93 wagon could not have it cause of the gas tank . I wanted to know if this was true or not . He told me I would have to change my gas tank to 94 or newer . Need some help on this one .
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lakeffect

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 4:31 pm

Another issue that may prove significant is that the 93 tranny cross member was not designed for duals either. There is no passage way on the drivers side, This can be solved by either after market sources or from later GM cars.

I bought a factory dual compatible cross member from one of the crew at Wagonfest. I think it was from Jay? Came with a big steel bar for remounting the holes farther back on the driver's side.
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 4:54 pm

I read somewhere you could use a '94-96 crossmember on a 91-93 car.

Not sure about the gas tank thing though. That would suck.
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GSBULLDOG

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 7:07 pm

Stingroo wrote:
I read somewhere you could use a '94-96 crossmember on a 91-93 car.

Not sure about the gas tank thing though. That would suck.
YEA IT DOES SUCK ! But I did change the cross member , one from a 94 , had no idea about the fuel tank . Just trying to see if this crap is true .
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Cadet57

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 7:10 pm

I thought Roadmasters 91-96 had duals?

In fact under my car on the drivers side by the rear end there is a rubber exhaust hanger that sits parallel with the passenger side.
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GSBULLDOG

GSBULLDOG

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 7:15 pm

My 93 does not hangers or anything .
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lakeffect

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 7:47 pm

Nor does mine, and I don't see any clearance where a pipe could pass on the driver's side of the tank. When I eventually get rid of the sidepipes (love the roar,, at least for now) my plan was to simply dump the tips out just in front of the rear tires.

Likely, there is some law about that they must exit behind the rearmost passenger, or the plane of the rear axle or something to avoid fumes. At least I don't have the third rear facing seat.


Last edited by lakeffect on Sun Aug 28, 2011 8:49 am; edited 1 time in total
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 8:08 pm

I wish I had side pipes.

Sad
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Krzdimond
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSat Aug 27, 2011 11:55 pm

exhaust just behind the rear wheels..... problem solved.
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Fred Kiehl

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSun Aug 28, 2011 12:02 am

I am going to rework a 91-93 crossmember to make room for the pipe, and dump both where my current pipe dumps in front of the rear axle. I have considered an 1 inch by 7 inch oval pipe exiting just in front of the rear wheel opening. It would transition from round to oval just after the curve.
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GSBULLDOG

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSun Aug 28, 2011 7:07 pm

Krzdimond wrote:
exhaust just behind the rear wheels..... problem solved.
Got any pics so I can see what you mean ?
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buickestate
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buickestate

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSun Aug 28, 2011 9:33 pm

An easy alternative is to go with a 3" single exhaust from the manifolds back, plenty of flow for an LO5, and with the right muffler sounds good.

Use the 91-93 9C1 Y pipe
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jasonlachapelle

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeSun Aug 28, 2011 11:44 pm

I choose pistols at dawn.
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Fred Kiehl

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 12:12 am

jasonlachapelle wrote:
I choose pistols at dawn.

How do you plan on taking the requsite 10 paces on the 93 wagon?
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Krzdimond
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 8:39 am

GSBULLDOG wrote:
Krzdimond wrote:
exhaust just behind the rear wheels..... problem solved.
Got any pics so I can see what you mean ?

duels on a 93 wagon 100_1561

jasonlachapelle wrote:
I choose pistols at dawn.

I was thinking the same thing, but chose to let it go.......
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DBeaSSt
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 8:55 am

buickestate wrote:
An easy alternative is to go with a 3" single exhaust from the manifolds back, plenty of flow for an LO5, and with the right muffler sounds good.

Use the 91-93 9C1 Y pipe

Did this on my Cruiser. Breathes just fine and has a nice growl to it. Well almost too much sometimes, heh.
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phantom 309

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 10:00 am

DBeaSSt wrote:
buickestate wrote:
An easy alternative is to go with a 3" single exhaust from the manifolds back, plenty of flow for an LO5, and with the right muffler sounds good.

Use the 91-93 9C1 Y pipe

Did this on my Cruiser. Breathes just fine and has a nice growl to it. Well almost too much sometimes, heh.

TBI cars growl???

who knew?? What a Face

Nick


Last edited by phantom 309 on Mon Aug 29, 2011 10:01 am; edited 1 time in total
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DBeaSSt
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 10:01 am

Only at LT1 owners Nick. Razz
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GSBULLDOG

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Aug 29, 2011 1:56 pm

buickestate wrote:
An easy alternative is to go with a 3" single exhaust from the manifolds back, plenty of flow for an LO5, and with the right muffler sounds good.

Use the 91-93 9C1 Y pipe
will that 3" single exhaust work with a lt1 cause thats what I stuck in their ? cause that might work .
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1phastsswagon

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeFri Oct 28, 2011 1:31 am

I myself am looking at doing a dual setup on my 91 - having been in the NASCAR industry for many years I was actually looking into these http://drgas.mybisi.com/product/frame-clearance-tubes to help with the clearance issues. Same company, and exhaust the race teams use. And if they can still crank out gobs of HP through them its def. not going to hinder my (our) performance
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81X11

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeTue Nov 01, 2011 2:14 am

Krzdimond wrote:
GSBULLDOG wrote:
Krzdimond wrote:
exhaust just behind the rear wheels..... problem solved.
Got any pics so I can see what you mean ?

duels on a 93 wagon 100_1561

jasonlachapelle wrote:
I choose pistols at dawn.

I was thinking the same thing, but chose to let it go.......

That's sharp! The factory duals on my 96 scrape on steep driveways.....drives me nuts. Exiting behind the rear would sold that problem...and looks good too. I'd go that route if I had a TBI car.

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buickestate
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buickestate

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeWed Nov 02, 2011 1:26 pm

GSBULLDOG wrote:
buickestate wrote:
An easy alternative is to go with a 3" single exhaust from the manifolds back, plenty of flow for an LO5, and with the right muffler sounds good.

Use the 91-93 9C1 Y pipe
will that 3" single exhaust work with a lt1 cause thats what I stuck in their ? cause that might work .

I don't see why it wouldn't, the only question is would the LO3/5 9C1 Y pipe mate up with the LT1's stock manifolds? if you are running headers then anything can be fabricated. There is a lot of flow in a singe 3" system so your LT1 would be fine. Both 93 and now my 91 are running LO5's with 3" single systems they do sound nice
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GSBULLDOG

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeThu Nov 03, 2011 8:57 pm

I will be doing something soon , have to wait a bit money is getting tight . But that 3" single may have to do .
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Sprocket

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Nov 14, 2011 9:40 pm

Larry aka ACME Racer, put true duals on his wife's '92 GSX wagon. the exit under the license plate like a vette. It's a total custom deal, I never climbed under there to see it up close, but he said it did take a bit of futzing with it to get it to work.....I dunno how often he's on the site lately he hasn't been feeling well....
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phantom 309

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Nov 14, 2011 10:37 pm

so what about using some lt1 manifolds,. and crossmember??


Nick
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Fred Kiehl

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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeMon Nov 14, 2011 10:56 pm

LT1 manifolds do not fit the LO5/3s because of different port shapes, and the crossmember has different bolt holes. With some mods, the crossmember can be used, but it is heavier. The LO5/3 crossmember is much more elegant, because it is tubular, not stamped steel.
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JaySS
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeTue Nov 15, 2011 12:58 pm

phantom 309 wrote:
So what about using some lt1 manifolds and crossmember?

Nick

It is possible, and has been done with very good results on a ’91 LO3 sedan.

With some minor intake porting, a good tune and the LT1 exhaust, the car performed exceptionally well.

Before things get out of hand, a detailed explanation is in order.

This is from the person who has actually done it (twice) the first was the aforementioned LO3, and the second was retrofitting the LT1 wagon factory cat-back section into a OCC – an upgrade needed to enable the 454 to breathe.

Excerpts from his email:

...there are a lot of details to making it work in a clean, OEM fashion.

1 - The LT1 manifolds need to be re-drilled/spot faced for the L03/L05 cylinder head
exhaust manifold pattern. There's one outermost hole that doesn't line up.

2 - The L05 starter is larger than the L03 starter. The L03 starter clears the stock LT1
cats, but the L05 starter does not. Stock/aftermarket gear reduction starters are also
an option.

3 - A 94-6 B-body 4L60E tailshaft housing is needed, along with a '94-6 trans crossmember.

4 - Something needs to be done to mount the late trans crossmember on the passenger side. On the '91 LTZ, we machined an extension to bridge the gap between the early frame and late crossmember, on the '91 Olds Wagon, the frame was already long enough and we only had to drill the holes.


Not a simple bolt in, but certainly possible, and unlike some of the other upgrades, one that has been proven as worthwhile.

- J
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PostSubject: Re: duels on a 93 wagon   duels on a 93 wagon Icon_minitimeTue Nov 15, 2011 4:19 pm

Jay,I sure would like to see some under the hood shots of the 454 conversion you mentioned
above.I was actually looking into that very mod using the Kwik AC and PS/Alt mounts.With
the power that the LS engines are making a big block doesnt really make sense but all that NA
torque would be sweet to have at 2000rpms.
Jim
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