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Forum: Pontiac - Street 08-12-2024, 09:25 AM
Replies: 5
Views: 435
Posted By helmerrock
I am running 061’s with 9.5 compression and zero...

I am running 061’s with 9.5 compression and zero deck. I installed screw in studs also. These run awesome and not even a hint of any detonation.
Forum: Pontiac - Street 01-07-2024, 07:31 PM
Replies: 15
Views: 3,065
Posted By helmerrock
Pretty much the same cam. Like a Summit 2801. I...

Pretty much the same cam. Like a Summit 2801. I used Spotts and lifters from him. All good. I was careful with break in. Pushrods all rotating. Lifters are quiet. I am happy with parts from Paul...
Forum: 70-72 GTO Tempest & LeMans TECH 11-27-2023, 04:01 PM
Replies: 1
Views: 628
Posted By helmerrock
Look like bumper bracket to frame bolts

Look like bumper bracket to frame bolts
Forum: 66-67 GTO Tempest & LeMans TECH 11-03-2023, 07:10 PM
Replies: 14
Views: 1,355
Posted By helmerrock
You can strip the anodize with oven cleaner and...

You can strip the anodize with oven cleaner and wrap in plastic. Then sand working down to 600 or 800. Fix Ann dents along the way. Then learn to polish with the right wheels and compounds. You will...
Forum: Pontiac - Street 07-28-2023, 04:17 PM
Replies: 82
Views: 11,994
Posted By helmerrock
I ran a 2800 in a 350P with 8.8 compression and...

I ran a 2800 in a 350P with 8.8 compression and it ran excellent. This was a “temporary “ ending while I redid original 400 motor. Ran very well. I have the cam and matched lifters saved (broken in...
Forum: 66-67 GTO Tempest & LeMans TECH 05-07-2021, 04:50 PM
Replies: 1
Views: 1,191
Posted By helmerrock
You should be good. I did same change over years...

You should be good. I did same change over years back on a 67 and only needed to change the yoke and shifter. Shifter handle from the 3 speed will work. If is the new style “plug in” real easy. Old...
Forum: Pontiac - Street 01-15-2021, 07:33 PM
Replies: 60
Views: 12,686
Posted By helmerrock
The Dearborn 3 speed is a heavy duty beast....

The Dearborn 3 speed is a heavy duty beast. Stronger than a Muncie. Need a different yoke for it.
Forum: Pontiac - Street 12-11-2013, 07:02 PM
Replies: 42
Views: 3,912
Posted By helmerrock
Daryl Here are the pics.

Daryl Here are the pics.
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