Re: Engine assembly bench or engine stand
 

This is the answer, holds both ends of the engine, so no rear cylinder bore issues: https://www.summitracing.com/parts/otc-1735b

Re: Engine assembly bench or engine stand
 

Ya know, if this is really such an issue, then shouldn't the engine be assembled with a transmission case bolted to it and sitting in the car, on the mounts?

Re: Engine assembly bench or engine stand
 

That’s some good thoughts Billy.
It would be fun to build one on the bench and dyno the engine. Take off of dyno remove heads and pan, loosen caps on mains and rods install on stand and reassemble then dyno.
With the block I run you can breathe on it and it changes.

Re: Engine assembly bench or engine stand
 

With all DUE respect, some of you guys just overthink this stuff…Reminds me of the LATE , GREAT Dave Lebrun. He towed with a ramp truck and he had the race car hoses plumbed into the hoses of the race car hauler …..:):)

Re: Engine assembly bench or engine stand
 

It's not that you don't have enough to think about Larry but did you ever wonder what happens to the front 4 cylinders when you come down from a wheelstand? Could there be some "pinching" going on there? I'm assuming that you have "stock" engine mounts.

Re: Engine assembly bench or engine stand
 

Mr. Derby ...Bill Jenkins I think pioneered the hooking up the hauler coolant hoses to the race car engine to keep engine hot .. I do remember one year in late 70.s Jenkins pulled in to US Nationals tech in middle of night & turned off the hauler engine & immediately jumped outa the truck & fired up his noisey generator & pluged in 2 block heaters to keep race car engine hot all night & thu all weekend while pitted

Re: Engine assembly bench or engine stand
 

I remember see Jenkins at ATCO do that, before he would even start the race car which was a BBC Camaro at that time.



Stan

Re: Engine assembly bench or engine stand
 

That’s a very good memory Peter, now we know why da GRUMP suffered from hearing loss ….:):)

Re: Engine assembly bench or engine stand
 

Bill had a specific reason for doing this. We talked about it a couple of times. It was due to the ZL1 aluminum block. He said it was a big problem having the cylinders go out of round after a heat cycle. So he decided to keep the block at temp 24/7 and said it helped a lot, but not a total cure.

From working with him, two of his major focuses were carb jetting and ring seal. I remember him asking for an engine to go back for a refresh long before other builders would. And no, it wasn't about making extra money. He insisted on everthing being within his limits, but anybody that knew him would tell you he was totally honest and fair.

And it also explained why some of his pieces were not so competitive after some time. There were two owners I remember who thought it was all bs and wouldn't agree to a refresh when he said it was time. He didn't rant and rave about it, but I could tell he did not like cars with his stuff in them going out there and struggling to qualify.



As for the block heat, he said the aluminum block was never as stable as the iron but it was the best workable solution he could come up with.

Re: Engine assembly bench or engine stand
 

Maybe one of the piston ring companies or honing machine companies could run a test for everyone to prove this out. Hone a block to finish size, check all the bores with a PAT machine. Then mount the block to an engine stand and re-run the PAT test on all the cylinders. Compare the results.