hey there, ive got a pretty good leak on my intake manifold where it seals up against the block.should i double up the gaskets just for the intake,im not sure if the manifold is warped.take a look at the pics.its the stock manifold on a 1949 chevy 6400 with a 1956-57 261 engine.i can tell its leaking by having the engine running and spraying some starter fluid right over the part where the block and manifold meet, as soon as i spray it, the engine revs up.all three ports are leaking.Double up the intake gaskets or what? Thanks a lot!
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