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This is a street car that weighs 3500 lbs with no trans brake so I would say its ok. It is dead consistent but the et its running can be done with much less engine so I want to find out what the problem is, if its engine then Ill adress it but this is already the second one, first started acting the same so I assumed it was tiring out.



I see this a lot and the first thing I do is give the motor a cranking comp. test or leak down your choice, then go from there. If you have a hurt or wounded piece then nothing will help. Then ign. test etc. Then of course converter. Did you flash test you vert?



Leakdown is good, compression is where it should be for camshaft timing etc, all looks good, ign phasing and timing checked, different boxes and tachs, checked fuel system and changed, all with no effect. Flash test was to 5500 in 3rd. My process of elimination has led me to the converter or maybe a trans issue, sprag etc, dunno. I appreciate the opinions, keep them coming.