| | intake manifold question |  |
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roadmastercouple
Posts : 459
Join date : 2012-02-13
Age : 36
Location : Augusta GA
| Subject: intake manifold question  Fri May 11, 2012 7:47 am | |
| my intake manifold is leaking. tried stop leak no go. so im looking at holley projection intake. from researching this subject ive found that my original distributer wont work with it because of the size of the hole. so has any one done this to there tbi??? i need to know what distributer to order and if it will work in harmony with my stock 350 tbi guts thanks
mike | |
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Bewber
Posts : 1583
Join date : 2009-01-07
Location : The eight one oh
| | Subject: Re: intake manifold question Fri May 11, 2012 8:37 am | |
| Give Holley, Jeg's, or Summit a call. I'm sure they'd know. | |
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Fred Kiehl
Posts : 7283
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774
| | Subject: Re: intake manifold question Fri May 11, 2012 9:37 am | |
| The other option is to have some aluminum built up around the hole and have a new hole machined to fit the distributor. The distributor is a short version to fit under the cowl. If you decide to buy another distributor, make sure they know that it is a short version. Most will not fit. | |
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roadmastercouple
Posts : 459
Join date : 2012-02-13
Age : 36
Location : Augusta GA
| | Subject: Re: intake manifold question Fri May 11, 2012 10:31 pm | |
| short distributer ok thanks fred. would it be worth it to go ahead and get an msd ignition system? or would i be wasting my money | |
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Fred Kiehl
Posts : 7283
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774
| | Subject: Re: intake manifold question Sat May 12, 2012 12:17 am | |
| Unless you are going for lots of power, the OEM system should be sufficient.
Why is your manifold leaking? They usually do not leak unless they are cracked. Cracking one is unusual. You may just need new gaskets. The silicone at the front and back are the only troublesome issues when reinstalling the manifold, but they do not affect leakage of air, just oil. A used junk yard manifold is cheap, if yours is damaged. The TBI manifolds are all the same for the 305, and 350s. | |
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roadmastercouple
Posts : 459
Join date : 2012-02-13
Age : 36
Location : Augusta GA
| | Subject: Re: intake manifold question Sat May 12, 2012 8:08 am | |
| its leaking ar the front on the drivers side | |
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Fred Kiehl
Posts : 7283
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774
| | Subject: Re: intake manifold question Sat May 12, 2012 8:55 am | |
| That is probably the gasket. or a loose/missing bolt, unless there is a specific crack, or hole. Besides replacing the gaskets, and reinstalling the one you have, you could get a used one, and replace yours. The rear bolts on the driver's side are behind the engine lift ring, and difficult to torque, but other than that it is not too difficult. Have a friend help position it when installng, because you are reaching out pretty far, and your arms will tire quickly. Make sure you have a clear path to drop it in place. The peripheral parts tend to encroach on the space when not properly restrained. | |
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jimbeau
Posts : 1181
Join date : 2010-06-25
Location : Detroit
| | Subject: Re: intake manifold question Sat May 12, 2012 5:46 pm | |
| A squirt bottle with water will help you pinpoint the vacuum leak. It's harmless. | |
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Fred Kiehl
Posts : 7283
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774
| | Subject: Re: intake manifold question Sat May 12, 2012 10:10 pm | |
| Put a couple of drops of dishwashing liquid in the water to releave surface tension. | |
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