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i have a new 400 long block, new edelbrock 400 performer intake but have the same problems. the gasket seems to want to push out on the ends (front/back). i have tightened it down to specs but the same thing happens. maybe my book is wrong on the numbers. what are the ft pounds i should be tightening it to? please help. any ideas?
That's what I've done also, put the manifold on while the RTV is still wet, give it 24 hours & you'll have no problems. Obviously put a thick enough bead on so it will "squish" out slightly.
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