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It was done at the machine shop, of curse they claim it was installed according to the specs on the cam card.

The motor was assembled buy a machine shop, so at this point I can only hope it was done correctly. So, do you think the Tq converter needs to have a higher stall. It seems to stall right at 2400 using the break stall method, have not tried the aforementioned method. The Dizzy has no vacuum...

I got the spring kit and installed the lightest second lights springs with only negligible results. I wonder if the 112lsa is effecting the low end,

Around 15psi @750 rpm. Rght now timing is at 18-19 initial, how much more whould i be able to advance it?

Need help from all you performance gurus. I recently installed a chevy 400 bored to a 406 and it doesn't seem to have the power it should. It wont even spin the tires. WHAT AM I missing? WHY DON'T i HAVE ANY POWER DOWN LOW? below are the specs. 406 stock bottom end around 9.5 comp ratio Lunati...

Thanks guys I appreciate all the well comes posts.

Close, its the Big-K in Canton. Haggerty and Ann Arbor trail.

I have one of the much maligned 78 Cutlass salons, with the 5.0 liter chevy. It has 70,000 on it i recently installed a SBC 400 bored to a 408 and 9.5:1 comp ratio with a Lunati street master 221/230 duration @50 Holley 650 Street Avenger Carb with Flowtech after burner headers. Just broke the...