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starting to run a lil better..

610 Views 4 Replies 4 Participants Last post by  dag545
it runs nice till go to open it up... if i slowly ease in to it it pulls but once i floor it it spits and chugs and sputters with the occasional backfire....

any thoughts i have the fuel pressure at 38 psi on my 38 lb injectors...

if i go get the tune will they fix all that??
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