Hmmm you said miss fire not back fire. Do you have an idea what your compression is when your at the 5 PSI? I'm assuming this was a turbo engine to begin with. If not then perhaps you are igniting early from extra compression.
Hmm compression ration of 8:1 would mean 14psi becomes 112PSI but a naturally aspirated engine would be lower so lets guess the losses drop you to 10 PSI or 80PSI when compressed. Now if you start at 19PSI you get 152PSI. Nearly twice the normal engine compression.
signs of a bad injector?
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Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.
Read the manual to see if your question is answered there before posting. If you have questions about MS1/Extra or MS2/Extra or other non-B&G code configuration or tuning, please post them at http://www.msextra.com The full forum rules are here: Forum Rules, be sure to read them all regularly.