Pontiac - Street No question too basic here!

          
 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #11  
Old 09-13-2025, 01:25 PM
scott70's Avatar
scott70 scott70 is offline
Ultimate Warrior
 
Join Date: May 2002
Location: maine
Posts: 2,739
Default

Quote:
Originally Posted by HWYSTR455 View Post
5th time being pulled up, assuming they were sized (or checked) on the original build, and sized this upcoming time. But in my opinion, the bolts would still be good to use.

If you're leery about it, replace the bolts, and get the upgraded ones. Now would be the time to do that if you're having the rods sized.

I agree, top bearing half looks beaten from det. It's possible it's from being out of round, if the rods weren't originally sized/checked, but personally, I would replace the bolts, have them sized, and the crank checked too.

If you are going internally balanced, don't forget you need a neutral balancer, and would recommend an SFI one (if you don't already have one).


.
I use a pb1056ss. Internal balance it says. I put it on about 3-4 years ago, replacing the original balancer. The engine was originally balanced with the OEM balancer. When I put this on, I really wasn’t thinking of the balance, but it didn’t seem to affect it all.. sounds like a good idea if I get into this motor, which I probably will is to upgrade and replace the rod bolts. I find it odd that I don’t see any markings on these connecting rods at all saying a part number or a company. Or something.

__________________
72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.45 @ 88.1 mph on slippery street tires.Bad 2.19 60ft.Owned since 86'
The Following User Says Thank You to scott70 For This Useful Post:
 


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 02:34 PM.

 

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

 




Copyright © 2017