New Blazer 1972 - Got Questions ;-)

[old man jimmy]

First off, make sure you have all your plugs out when checking comp. Your Alt. shouldn't make any diff. Don't know where that 200 psi came from. But i'd say more in the range of 175 tops. More important that they be uniform. If you have a low one, give a shot of oil in cyl. crank a few times and check again. if it comes up, it's rings. If not probably a valve. also make sure you get three or four strokes before checking your gauge.

[scoyote]

OK...it's been awhile but here is the news.

120 psi per cylinder is good at this altitude (5000 ft above sea level) according to every mechanic and engine builder that I have talked to and I've spoken to a few of them.

The air is thinner....not as much pressure.

A "good" motor at this altitude would be around 140-150....120 is still a strong motor.

But....I just couldn't help myself and I ended up buying a 383 stroker from one of the mechanics that I was talking to so that pretty much takes away that problem with the 327 ;-)

This engine should be around 370 horses at 5000 rpms with a touch over 400 pounds of torque.....I think that is respectable.

Now I'm thinking I can still run those 35's with the 373 gears behind that TH350 and make it work good enough for both highway and the occasional off-road and if need be....take it in the rough stuff now and then when I go hunting.

The pieces are coming together.....now to make up my mind on the fuel delivery system.....TBI is winning so far......