I have the same set up on an 87 with a 20r head. Check the 4 small air port in the front 2 barrels make sure they are not clogged after that if no change try temp. block two of the same sized ones of.
I have the same set up on an 87 with a 20r head. Check the 4 small air port in the front 2 barrels make sure they are not clogged after that if no change try temp. block two of the same sized ones of.
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