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Search: Posts Made By: Tim Corcoran
Forum: Pontiac - Race Yesterday, 11:22 PM
Replies: 9
Views: 3,449
Posted By Tim Corcoran
I think you will be fine with those clearances...

I think you will be fine with those clearances for a street car .0022 is a little tight for a race application.
Forum: Pontiac - Street Yesterday, 10:42 AM
Replies: 67
Views: 2,990
Posted By Tim Corcoran
What are the other substitutes they recommend?

What are the other substitutes they recommend?
Forum: Pontiac - Street 03-26-2024, 08:12 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
John I just hammer it from a dead stop on dry...

John
I just hammer it from a dead stop on dry pavement
Forum: Pontiac - Street 03-26-2024, 08:09 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
When I was a youngster many years ago my dad had...

When I was a youngster many years ago my dad had a 67 Oldsmobile Delmont 88 with a 425 and a two barrel. That thing would do a burnout for ever until you let off and it went straight as an arrow and...
Forum: Pontiac - Race 03-26-2024, 01:28 PM
Replies: 12
Views: 661
Posted By Tim Corcoran
I have steel rods and Butler/Ross flat top pistons

I have steel rods and Butler/Ross flat top pistons
Forum: Pontiac - Street 03-26-2024, 01:23 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
LS???

LS???
Forum: Pontiac - Street 03-26-2024, 01:19 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
Yes, tires spinning = burnout I hammer it...

Yes, tires spinning = burnout

I hammer it from a dead stop tires spinning shifts into 2nd tires still spinning car goes left pretty hard can't correct it and I let off.
Forum: Pontiac - Street 03-25-2024, 10:51 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
Funny thing, I put in a rear sway bar and new...

Funny thing, I put in a rear sway bar and new shocks and it exaggerated the issue.
Forum: Pontiac - Street 03-25-2024, 10:25 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
Adjustable sway bar?

Adjustable sway bar?
Forum: Pontiac - Street 03-25-2024, 10:23 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
I do have adjustable upper control arms

I do have adjustable upper control arms
Forum: Pontiac - Street 03-24-2024, 09:51 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
I had it up on the lift and measured everything...

I had it up on the lift and measured everything if there was any movement I think I would of found it.
Forum: Pontiac - Street 03-24-2024, 07:49 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
Its a new Yukon posi unit in a 12 bolt

Its a new Yukon posi unit in a 12 bolt
Forum: Pontiac - Street 03-24-2024, 04:07 PM
Replies: 23
Views: 605
Posted By Tim Corcoran
Rear suspension issue, I think

Under heavy acceleration with tires spinning in 2nd gear car goes to the left hard enough that I have to let off to maintain control.

67 LeMans
Tubular adjustable upper control arms pinion angle...
Forum: Pontiac - Street 03-23-2024, 05:35 PM
Replies: 67
Views: 2,990
Posted By Tim Corcoran
Some flat tappet break in recommendations from...

Some flat tappet break in recommendations from Comp Cams

https://www.compcams.com/pub/media/wysiwyg/CompCams/FlatTappetCamTechBulletin.pdf
Forum: Pontiac - Street 03-23-2024, 05:06 PM
Replies: 58
Views: 2,098
Posted By Tim Corcoran
On Comp's website for the 85701 Lifter, Travel:...

On Comp's website for the 85701 Lifter, Travel: .150 in, Recommended Preload: .100 in
Forum: Pontiac - Street 03-22-2024, 10:18 PM
Replies: 8
Views: 253
Posted By Tim Corcoran
The factory cast iron manifold is a great...

The factory cast iron manifold is a great performance piece. Many want to install an aftermarket aluminum manifold just so they can go slower. Other choices that work well and are stock height are...
Forum: Pontiac - Street 03-21-2024, 09:35 PM
Replies: 7
Views: 397
Posted By Tim Corcoran
I have always use RTV on the donut seal and never...

I have always use RTV on the donut seal and never had a leak.
Forum: Pontiac - Race 03-21-2024, 09:28 PM
Replies: 12
Views: 661
Posted By Tim Corcoran
My machinist told me his recommended minimum is...

My machinist told me his recommended minimum is .050 and he said I should put them -.005. I told him to put them at .000 and he said OK. So I just wanted to confirm what I thought I already knew....
Forum: Pontiac - Race 03-21-2024, 10:21 AM
Replies: 12
Views: 661
Posted By Tim Corcoran
With a .040 head gasket?

With a .040 head gasket?
Forum: Pontiac - Race 03-21-2024, 07:55 AM
Replies: 12
Views: 661
Posted By Tim Corcoran
Zero or -.005

I always thought a true .000 deck height with a .040 head gasket was good practice for an efficient engine. My machinist recommends -.005 says zero with a .040 gasket is too close. I am using 6.8...
Forum: Pontiac - Street 03-20-2024, 03:16 PM
Replies: 58
Views: 2,098
Posted By Tim Corcoran
Jay, what is your opinion on longevity of running...

Jay, what is your opinion on longevity of running a solid roller lifter on a hyd roller cam on the street. I know the OEM's ran a lot of solid flat tappet cams in the past but the modern roller cams...
Forum: Pontiac - Street 03-18-2024, 09:55 PM
Replies: 7
Views: 788
Posted By Tim Corcoran
For a cruiser with a stock converter it would be...

For a cruiser with a stock converter it would be a great cam, 1.65 rockers would give you a little more performance. With a good 2-1/2 inch exhaust with free flowing mufflers it would be very nice...
Forum: Pontiac - Street 03-16-2024, 09:15 PM
Replies: 58
Views: 2,098
Posted By Tim Corcoran
I have Johnson JLI-211-OPR lifters in my new...

I have Johnson JLI-211-OPR lifters in my new street engine. I found they made noise when I set them at 1/2 turn and at 3/4 turn they are much quieter. As stated on the Butler website there are three...
Forum: Pontiac - Street 03-14-2024, 08:12 PM
Replies: 12
Views: 593
Posted By Tim Corcoran
Coating the piston top with ceramic insulates the...

Coating the piston top with ceramic insulates the piston and keeps heat in the combustion chamber and gives you more HP. Coating the skirts reduces friction and give you more HP and reduces wear....
Forum: Pontiac - Race 03-12-2024, 11:38 PM
Replies: 22
Views: 1,047
Posted By Tim Corcoran
If you’re referring to Bill Takanabe he also...

If you’re referring to Bill Takanabe he also passed a couple years back.
Showing results 1 to 25 of 500

 
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