[QUOTE=Squidward;5650622].050 numbers were created as a standard to compare cams from different manufacturers. When companies used advertised duration, some used .002, some used .006, etc.
Maybe Summit uses a different standard for advertised duration than Lunati. I think Lunati uses a .006 standard.
This is why I compare @.050
Looking at these numbers they do look similar. Not exact but in the same ball park.
Progress has slowed to a crawl.
Timing cover on, fuel pump on, water pump on, installed ballencer last night,when bolting pulley to ballencer , noticed a buggered up thread in one of the 4 bolts that hold it on, retapping that tonight.
Got all 8 plugs cleaned and installed. Still got ps and alt to mount and oil change.
Single dad with 2 kids at home, and run my own business has to come first.
Should have it running and a new compression test by weekend.
As always thanks.
I'm betting the cam advanced (my bad) was the issue!
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 1970 amc rebel 4-door, faded blue paint,290 emblems on car, 455 under the hood.Turbo 400,3.15 gear.
Best so far 1/8 et,8.90 on street tires,
Since that I have added 400 heads.
I call it a rat sleeper.
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