back firing through intake
#1
back firing through intake
I recently built my 302 and put je 9:1 pistons,rods,edelbrok upper & lower intake,comp cam and got some head work done. It has a 75mm throtle body with 19 lb injectors. When we got it back together it back fires through the intake especially when it is cold and then gets better as it heats up. I've checked for vaccum leaks but cant find any. Someone told me it might be my maf which is a 76mm so I got a stocker and tried it but it still does the same thing. Any ideas what that might be? any info would be appreciated
#5
RE: back firing through intake
Like Lunchbox says, it sounds like timing. Have you checked all of your sparkplug wires to make sure they aren't crossed? Are you absolutely sure you got the cam timed properly when you installed it?
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