502 efi/mpi riser gasket replacement
#1
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Joined: Sep 2011
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Well, from my previous thread, it's time to replace the riser gaskets. I am having a buddy ( a marine mechanic) put the new ones on but I want to pull the old ones off and prep for him. Where do I start? It does have a corsa silent choice system if that helps.....Do I have to start at the exhaust tips and work my way forward? Or can this be done at the riser itself?
#2
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Joined: Jul 2009
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From: west of chitown, il
don't remove the tips lol.. Loosen or remove the clamps closest to the riser and remove the 4 bolts holding the riser to the manifold. Tilt the riser to break the seal from the manifold then turn the riser and work it off the 4"rubber boot going to the silent choice. Do the same on other side and done.



