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Any suggestions as to which power valve I should use for this n/a 252 with the Comp cams 206 roller cam? It seems to be running ok, the engine will eventually die as I lean out my idle screws, so I...

Yep, I re-torqued the heads. I'm thinking that I did not have the intake torqued down enough, specifically the button-head torx bolt. I haven't had the chance to double check and run the engine...

First- why did you have to have the balancer replaced at all? Balancers nowadays do not have the rubber ring to rot or slip.

But all other things being equal...... Bring it back to whoever did the...

Thanx Bob, will try that method to find my tick. But now I just found a little water on the dipstick! D@%#!! So I guess I have an intake sealing issue.

I will be cleaning this out and maybe I...

I'd say you could probably raise your idle a bit to help compensate a bit. But you'd be better to do a little work on the oil pump as suggested as well. I personally found that new gears and...

Does anybody have an 231/252 engine with the Comp Cams 206/206 roller?

I have FINALLY got my 252 v6 up n running. OK background info: I had the machine shop re-work the heads with the Comp cams...

Has the engine been rebuilt before? I'm under the impression that it was not, as you started by replacing the bearings with standard size. With a scotch-brite pad, you shouldn't be able to remove...

Dont know the specifics if the deck height difference, but the only way I can foresee the carb height interfere is with the air cleaner. My '75 231 oddfire original 2bbl air cleaner didn't even come...

The even fire HEI should physically fit, but you will DEFINITELY have to swap out the reluctor ring and center shaft in the distrib. The evenfire HEI's have a 6 point center "star", while the...

I do not have all the answers, but I have learned a bunch during my 252/231 engine swap. I can share what I've learned so far. The blocks are a pretty straight forward swap. I would say for sure...

I got the 231 v6 motor mounts mixed up and want to know which one goes on the drivers side. the one with the thin or thicker rubber "nub" in the center? thanx all!!

Hello all, I have a 252 N/A engine getting rebuilt. I just got back my boxes of parts to re-assemble my engine. I noticed that three of the rods have the double bump/dimple opposite side of the...

I got a deal on a never-used (old stock) comp cams 206/206 roller cam and lifters (well under the current price) some years back. So I figure its about time to use them! The heads are at the...

thanx, I feel a little better. The bearing surfaces looked rather close to the filleted areas, so I just had to make sure it would be OK. thanx again!

How far undersize can a 4.1 or turbo crank be ground/polished? I've got a crank that is .020 under for both mains and rods. Can it be safely ground .030 or should I find a new crank? Its going...

My first question is:
I'm building a N/A 252- the original 252 crank is already .020 under and now has slight grooves in the mains. So I'm afraid to have it ground any more. I have a fresh .010...

I'll check tomorrow. The yard is usually pretty good at moving cars thru... they only have them for 1-2 weeks, but I'll check.

The yard is in the south suburbs of chicago- actually blue island....

FYI....As of yesterday-12-29-10, there is a '76 dark blue Buick electra 225 with a complete 455 and trans in the u-pull-it junk yard @ 141th & western ave (2247 w 141st ST. 1-866-878-5548). The...

FYI....As of yesterday-12-29-10, there is a '76 dark blue Buick electra 225 with a complete 455 and trans in the u-pull-it junk yard @ 141th & western ave (2247 w 141st ST. 1-866-878-5548). The...

This isnt mine, but I thought somebody might want a crank with the filleted bearings. its item# 400154690343. hope this helps somebody! peaceout.

1- Can stock rods be bushed to accept a .93 or .92 diameter piston pin?

2- Or conversely, can the piston pin end be bored to accept a .98 diameter pin? Or should I ask what diameter can a stock...

thanx both of u for the input. I think I'm just gonna research milling the deck. Seems the be the best cost/benefit ratio. The Edelbrock intake has plenty of meat on the flanges to handle a shave,...

I've been reading again.... my fault. Has anybody done this? The cost of custom 252 pistons has me thinking the Chevy pistons and different rods would be cheaper.

Or is this whole thing not...

thanx for the links- I apparently didnt search hard enough:clonk:....yep, after a bit more checking- it appears that the heads are interchangeable. So now my next question is what type of piston...

Its time to build my next engine, but I cannot decide what to do with my garage full-o-parts! I'm contemplating a 252 build instead of the usual 231. I have a complete set of '83 231 heads, and I'm...