4.1 block only...

[5 LTR KLR]

In need of a 4.1 block only do to I have a cracked one now. Looking for one stamped this code: 25506484

Also need one .030 bore or under that...do to I have all rotating stuff.

Please no junk, need real good one!

I am in Wisconsin if that helps

 

[ttaowner]

here you go

http://www.turbobuick.com/forums/parts-sale/320585-4-1-block-na-v6-intake-kb-roller-rockers.html

 

[5 LTR KLR]

ttaowner- I thank you for finding this BUT wrong stamp code. I was looking for one coded 25506424

Unless can someone tell me the difference between 25506484 and in that one which is coded 25514291 ???????

 

[ttaowner]

according to the thread in the link the code that i have is better for some reason? if your interested let me know.

TurboBuicks.com - Build a Budget 4.1 Motor!

 

[5 LTR KLR]

Sent you pm

 

[87GNSteve]

The 291 is better than the 484 because the 484 has water jackets that come too close to the each other and in turn crack toward them and then down the head bolt holes.
Here is a discussion and a measurement between the two blocks:

4.1 casting numbers - Page 2 - TurboBuicks.com

 

[5 LTR KLR]

I am still looking...WOULD like a stock one with code 291 as well. Virgin block please!!!!

 

[black owned]

I am still looking...WOULD like a stock one with code 291 as well. Virgin block please!!!!

i have one here in so ca.std bore with caps.whats you email i will get ya some pics.

 

[Ttype6]

I am still looking...WOULD like a stock one with code 291 as well. Virgin block please!!!!

I have one here in Michigan.