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Search took 0.09 seconds. Search: Posts Made By: Tim Corcoran
Forum: Pontiac - Street Yesterday, 09:59 PM
Replies: 34
Views: 499
Posted By Tim Corcoran
If you ever plan to race it with slicks often or...

If you ever plan to race it with slicks often or plan to upgrade for more power then get a forged crank
Forum: Pontiac - Street Yesterday, 09:25 PM
Replies: 34
Views: 499
Posted By Tim Corcoran
I ran a 4.25 Eagle cast crank in a 455 and raced...

I ran a 4.25 Eagle cast crank in a 455 and raced it for many years in a 3550 race weight 65 Lemans making around 650 HP and going low 10's. It finally went and took out the block crank rod and...
Forum: Pontiac - Street 06-12-2024, 01:58 PM
Replies: 19
Views: 418
Posted By Tim Corcoran
I have a new cable from Shifworks. I think the...

I have a new cable from Shifworks. I think the problem lies with not enough travel in the aftermarket dual gate.
Forum: Pontiac - Street 06-12-2024, 01:53 PM
Replies: 31
Views: 783
Posted By Tim Corcoran
It's too bad your engine was re-ringed with the...

It's too bad your engine was re-ringed with the gapless rings. If it was honed and a plasma moly top ring and a cast 2nd ring was installed I doubt you would be having this problem. The rear main...
Forum: Pontiac - Street 06-11-2024, 11:03 PM
Replies: 31
Views: 783
Posted By Tim Corcoran
I have to ask, did you use the same machinist...

I have to ask, did you use the same machinist each time you rebuilt the engine? Gapless rings are a little finicky I know I have used them in the past. They need a special finish to work correctly....
Forum: Pontiac - Street 06-10-2024, 12:08 PM
Replies: 19
Views: 418
Posted By Tim Corcoran
I do have an aftermarket dual gate and I can't...

I do have an aftermarket dual gate and I can't seem to get it adjusted to get it in both park and 1st gear as it is now. I sure like the look of the dual gate in my 67 LeMans though. Why would the...
Forum: Pontiac - Street 06-10-2024, 10:07 AM
Replies: 19
Views: 418
Posted By Tim Corcoran
4L80 Conversion

When doing a 4L80 conversion, what about shifter linkage? Going from a Hurst Dual Gate shifter with a three speed and going to a 3+1 trans how would this work? Thanks
Forum: Pontiac - Race 06-09-2024, 12:02 PM
Replies: 122
Views: 12,318
Posted By Tim Corcoran
I lapped in the valves and they were all good so...

I lapped in the valves and they were all good so no grinding necessary. I just completed figuring my push rod length. My e-heads have Ferrea 6,000 series stainless steel valves. The intakes 2.19 and...
Forum: Pontiac - Race 06-06-2024, 09:34 PM
Replies: 10
Views: 373
Posted By Tim Corcoran
Thanks Skip, I have that part worked out

Thanks Skip, I have that part worked out
Forum: Pontiac - Race 06-06-2024, 03:49 PM
Replies: 10
Views: 373
Posted By Tim Corcoran
Skip I have +.050 valve locks on the exhaust...

Skip
I have +.050 valve locks on the exhaust and no one has a +.050, 10 degree valve locks for 11/32 valves with a recess for lash caps. I called everywhere and was told they don't make them. I...
Forum: Pontiac - Race 06-05-2024, 11:02 AM
Replies: 10
Views: 373
Posted By Tim Corcoran
Skip, thank you so much for the great info. This...

Skip, thank you so much for the great info. This will save me from having to buy a new set of exhaust valves, re-shimming the new exhaust valves and installing new valve seals, again.
Forum: Pontiac - Race 06-05-2024, 08:40 AM
Replies: 10
Views: 373
Posted By Tim Corcoran
I thought about using lash caps but with the...

I thought about using lash caps but with the +.050 keepers there is no room for one. I haven't ordered the pushrods yet but have the adjustable pushrod set at 9.2" and the geometry is right on.
Forum: Pontiac - Race 06-04-2024, 10:53 PM
Replies: 10
Views: 373
Posted By Tim Corcoran
Retainer to Rocker Arm Clearance

These E-Heads were originally purchased from a well know Pontiac supplier several years ago. I know he bought them bare and set them up using his own selected components. They are good heads but I...
Forum: Pontiac - Street 06-03-2024, 11:33 PM
Replies: 20
Views: 573
Posted By Tim Corcoran
I have a load leveler I bought over 20 years ago...

I have a load leveler I bought over 20 years ago don't know the brand but have used it many times over the years mostly pulling and installing Pontiac engine trans together. I keep it lubed up real...
Forum: Pontiac - Street 06-03-2024, 11:17 PM
Replies: 32
Views: 1,264
Posted By Tim Corcoran
I will be using Schaeffer Supreme 7000™ Synthetic...

I will be using Schaeffer Supreme 7000™ Synthetic Plus 15W-40 in the new engine for my drag car. Bearing clearance .027 rods .030 mains
Forum: Pontiac - Race 06-03-2024, 10:45 PM
Replies: 122
Views: 12,318
Posted By Tim Corcoran
It does look massive it's a forged cross drilled...

It does look massive it's a forged cross drilled Scat crank I'm pretty sure they all look like that
Forum: Pontiac - Race 06-03-2024, 06:31 PM
Replies: 122
Views: 12,318
Posted By Tim Corcoran
I have the crank scraper adjusted and glued down...

I have the crank scraper adjusted and glued down with silicone Ultra Black. I have the dipstick tube in place and have adjusted the Tomahawk windage tray. I used these special spacers to space off...
Forum: Pontiac - Street 06-02-2024, 07:52 PM
Replies: 32
Views: 1,264
Posted By Tim Corcoran
It depends on your bearing clearances. If factory...

It depends on your bearing clearances. If factory clearances 10-30 is recommended with a little more clearance 10-40 or 15-40
Forum: Pontiac - Street 06-01-2024, 10:47 PM
Replies: 35
Views: 945
Posted By Tim Corcoran
Sorry if I am hijacking but I have considered...

Sorry if I am hijacking but I have considered installing a 4L80 in my 67 LeMans at some point. Can the 4L80E be installed up to a Pontiac block without an adapter? Does it require the trans tunnel to...
Forum: Pontiac - Race 06-01-2024, 05:21 PM
Replies: 122
Views: 12,318
Posted By Tim Corcoran
The Doug Herbert Lifters I don't know why...

The Doug Herbert Lifters

I don't know why some of the photos rotate when I attach them. Sorry about that.
Forum: Pontiac - Race 06-01-2024, 05:17 PM
Replies: 122
Views: 12,318
Posted By Tim Corcoran
I just finished installing the Ultradyne solid...

I just finished installing the Ultradyne solid roller cam and the new Butler Pro Billet Timing Set, Billet Gears 9 Keyway Crank Sprocket .005 Short. Since the engine was line honed the standard...
Forum: Pontiac - Street 06-01-2024, 10:07 AM
Replies: 35
Views: 945
Posted By Tim Corcoran
The TH-400 is a strong trans many available for...

The TH-400 is a strong trans many available for cheap and you won't have to mess with a TV cable. You can use your same cross member you will just need a driveshaft. Any 64-72 GM A-body drive shaft...
Forum: Pontiac - Race 05-30-2024, 11:13 PM
Replies: 19
Views: 848
Posted By Tim Corcoran
I have a TH-400 also and have done it many times...

I have a TH-400 also and have done it many times and didn't have a problem. I don't know it it's hard on the trans or not but I never had a problem. I assume you mean a reverse pattern manual valve...
Forum: Pontiac - Race 05-30-2024, 08:54 PM
Replies: 4
Views: 339
Posted By Tim Corcoran
Silicone, and the fit is tight so I don't think...

Silicone, and the fit is tight so I don't think it would be affected by alcohol
Forum: Pontiac - Race 05-30-2024, 09:49 AM
Replies: 19
Views: 848
Posted By Tim Corcoran
Congrats on the great 60' time and a very nice...

Congrats on the great 60' time and a very nice working suspension. What is the GPM rating for the Holley pump? What fuel are you using? The plugs indicate a lot of detonation, this can hurt your...
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