New Intake Manifold?

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New Intake Manifold?

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Camaro Forum >> Camaro Models >> 4th Generation >> V8 Tech >> LT1 Camaro >> New Intake Manifold?

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New Intake Manifold? - 9/16/2008 9:25:00 AM

GsusFrk

Posts: 24
Joined: 8/15/2006
Status: offline

So I''ve got the usual oil leak out the rear of my intake manifold. But while I have the manifold and valve covers off is there anything under those that I should replace or change to prevent or prempt future problems and changes? For example, would putting a whole new larger/nicer intake manifold do anything for future moding or even current power? Is there anything else I could replace? In the end I hope to send the heads off to Loyld Elliot and have him rework them... That might not even be relevent. Thanks for your advice.

Kyle

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RE: New Intake Manifold? - 9/16/2008 1:08:42 PM

z28pete

Posts: 5699
Joined: 8/7/2005
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If you put on a manifold with ports that are larger than the ones on the heads you are going to wind up with a power loss due to the flow turbulence caused by going to from big into small. If it were the other way around it would probably make no difference. As usual, things need to be matched for best results.

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Pete

(in reply to GsusFrk)

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RE: New Intake Manifold? - 10/6/2008 8:15:15 PM

TjD

Posts: 9
Joined: 10/6/2008
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i''v heard good things about that air gap manifold by edelbrock but its not going to prevent any issues plus i havn''t seen a dyno w/out the heads+cam package so who knows what if any gain you''l get... might be something to look into if your wanting spend some cash and upgrade performance wise twards something you don''t see much of. you could be the first kid on your block to have one

(in reply to z28pete)

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RE: New Intake Manifold? - 10/6/2008 10:30:40 PM

95slvrZ28

Caretaker of the Ban Hamster
Posts: 3317
Joined: 8/31/2006
Status: offline

You''re not going to make any extra HP over the stock intake without some serious head/cam work and probably a 383. Then you may...may be able to use a slightly larger intake, but just having a larger plenum isn''t going to do anything for you, you really need larger ports since the LT1 intake is pretty much a hollow piece of aluminum with 8 holes...

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