? Stage I

[DDot69]

Will a 3.625 Crank work in a Stage I Block???

 

[86brick]

Read this thread......

http://www.turbobuick.com/forums/showthread.php?s=&threadid=115656

 

[EightSecV6]

It will fit fine with some creative machining (on the rods) using the STOCK pickup,without cutting a bunch off the pickup oil galley, no problems at all. Just finished up a customers 3.8 stage 1 with a 3.625 stroke wide journal crank and 6.5 on center rods.........go figure

 

[DDot69]

Cool, I was worried I spent alot of money for nothing. The block a #25500016 has had alot of machine work done to it before I got it. I am not sure if it was a bush motor or whatever. It has four bolt mains, extra head bolt holes and the areas you mentioned touched up already.

I had the block bored sonic check. all ok. I would post some pictures, but I don't know how on this site.

Thanks

 

[DDot69]

Why did you have to use On center rods on an Off center motor?

 

[EightSecV6]

Originally posted by DDot69
Why did you have to use On center rods on an Off center motor?

Have you ever tried to find a set of forged or billet off center rods?

 

[DDot69]

I have a set of Off Center Oliver Rods, at least I think they are Off Center. I also have a set of Carillo rods that are on center.


How hard is it to get the on centers to work?

 

[geno]

Originally posted by EightSecV6
It will fit fine with some creative machining (on the rods) using the STOCK pickup,without cutting a bunch off the pickup oil galley, no problems at all. Just finished up a customers 3.8 stage 1 with a 3.625 stroke wide journal crank and 6.5 on center rods.........go figure

Did you use the front mount pickup boss instead of the rear like i did If i had to do it over again thats what i would do

 

[EightSecV6]

I use the rear pasage as you do not have to fabricate a pickup. You can sink the rod bolt in the cap a little and machine the head of the bolt, the galley will only need a little clearancing.

 

[DDot69]

I only seen one pick up (on the Front Right), I there another?

 

[geno]

I never thought about spot facing the cap deeper to sink the bolt but i did shorten the bolt head Im to much of a worry wart to counter bore the cap and took it off the block instead. Good call and i have to say your car is a work of art Bill