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Search took 0.08 seconds. Search: Posts Made By: Tim Corcoran
Forum: Pontiac - Street Yesterday, 10:43 PM
Replies: 41
Views: 1,339
Posted By Tim Corcoran
Hy-Lift Johnson Pontiac Retro-Fit Hydraulic...

Hy-Lift Johnson Pontiac Retro-Fit Hydraulic Roller Lifter Set/16 HLJ-2347 $886.95
...
Forum: Pontiac - Street 09-16-2024, 10:09 PM
Replies: 7
Views: 311
Posted By Tim Corcoran
There are builders on this site that I would...

There are builders on this site that I would trust more than an big company like AED. Jim Bollinger built an 800 CFM Q-Jet for me and I am quite happy with it. There are a couple others on the board...
Forum: Pontiac - Race 09-16-2024, 03:37 PM
Replies: 3
Views: 399
Posted By Tim Corcoran
Cast or Forged

I understand that a forged wheel is stronger than cast. For drag racing at what performance level is a cast rear wheel no longer safe?
Forum: Pontiac - Street 09-16-2024, 12:17 PM
Replies: 13
Views: 595
Posted By Tim Corcoran
It seems the rubber products coming from China...

It seems the rubber products coming from China are inferior and this has caused a multitude of problems in recent years, and may be related to radiator cap issues.
Forum: Pontiac - Street 09-16-2024, 12:14 PM
Replies: 7
Views: 332
Posted By Tim Corcoran
Just my .02 cents regarding timing lock out for a...

Just my .02 cents regarding timing lock out for a drag car. Some prefer to lock out all timing tor strip use. My personal experience doing this makes it difficult to start the engine, it's hard on...
Forum: Pontiac - Race 09-09-2024, 02:19 PM
Replies: 9
Views: 341
Posted By Tim Corcoran
Not sure why you would want to buy new pistons if...

Not sure why you would want to buy new pistons if they are in good shape. Much cheaper to have a dish machined and, like was mentioned weigh a piston before and after machining to see if you even...
Forum: Pontiac - Race 09-03-2024, 11:09 PM
Replies: 15
Views: 875
Posted By Tim Corcoran
Paul, I'm retired I have a lot more free time...

Paul, I'm retired I have a lot more free time than you. I just watched both of Monty's videos. It looks like if you tap into the rear of both heads then connect to the water cross over on the front...
Forum: Pontiac - Race 08-31-2024, 10:32 AM
Replies: 15
Views: 875
Posted By Tim Corcoran
Skip, just curious why you did this mod. Does it...

Skip, just curious why you did this mod. Does it make the engine run cooler or is it to make more uniform temperatures of the cylinders and/or cylinder head? Thanks
Forum: Pontiac - Street 08-30-2024, 10:53 PM
Replies: 20
Views: 604
Posted By Tim Corcoran
It improves ventilation for better removal of...

It improves ventilation for better removal of gases from the crank case and prevents pressure from building up under heavy acceleration. It's more important in the case where you don't have a tube...
Forum: Pontiac - Street 08-30-2024, 10:25 PM
Replies: 20
Views: 604
Posted By Tim Corcoran
The 65-67 GTO came from the factory with a vented...

The 65-67 GTO came from the factory with a vented cap in the oil filler. They are available from Ames. For the street the best setup I know is the factory or Tomahawk valley cover with a PCV valve a...
Forum: Pontiac - Race 08-30-2024, 07:51 AM
Replies: 15
Views: 875
Posted By Tim Corcoran
I have never considered doing that mod. My engine...

I have never considered doing that mod. My engine has no cooling problem. By the time I get back to my pit it's down to 170 or 180. If it ain't broke why fix it. I plug bot holes in the rear. I have...
Forum: Pontiac - Street 08-28-2024, 08:57 PM
Replies: 46
Views: 1,447
Posted By Tim Corcoran
I had a 455 that had about 6psi at hot idle and...

I had a 455 that had about 6psi at hot idle and drove that car for thousands of miles and hundreds of 10 second 1/4 mile runs like that. You may not have a problem at all. 10 PSI per 1,000 RPM is...
Forum: Pontiac - Street 08-26-2024, 11:14 PM
Replies: 20
Views: 674
Posted By Tim Corcoran
They do make poly locks that fit the bottle neck...

They do make poly locks that fit the bottle neck studs. Since the engine has been rebuilt you should have adjustable valve lash.
Forum: Pontiac - Race 08-25-2024, 11:14 PM
Replies: 12
Views: 722
Posted By Tim Corcoran
For roller cams I use the BOP composite, I know...

For roller cams I use the BOP composite, I know they are expensive but they seem to last forever and no brass shavings going through the motor.
Forum: Pontiac - Race 08-25-2024, 11:07 PM
Replies: 69
Views: 4,638
Posted By Tim Corcoran
Thanks. I'm happy with the performance and I...

Thanks. I'm happy with the performance and I don't really want to break into the 9's and have to get a cage and a window net. I will do some tuning and get some improvement if I can. I currently am...
Forum: Pontiac - Street 08-24-2024, 09:09 PM
Replies: 6
Views: 635
Posted By Tim Corcoran
Ames has the correct size grommet you need.

Ames has the correct size grommet you need.
Forum: Pontiac - Race 08-23-2024, 08:55 PM
Replies: 135
Views: 25,816
Posted By Tim Corcoran
By request

By request
Forum: Pontiac - Race 08-23-2024, 10:00 AM
Replies: 135
Views: 25,816
Posted By Tim Corcoran
An update on the engine build. The dyno results...

An update on the engine build. The dyno results were a little disappointing. I took it to the local 1/8 mile track last night and did some testing. Still more testing and tuning to go. Best ET was...
Forum: Pontiac - Race 08-23-2024, 12:04 AM
Replies: 69
Views: 4,638
Posted By Tim Corcoran
The car ran pretty much the same as it did with...

The car ran pretty much the same as it did with the last engine. I think the carb still needs some tuning. The first run it blew the tires off but after that it was running 1.456, 1.459, 1.467 60'...
Forum: Pontiac - Street 08-22-2024, 03:17 PM
Replies: 13
Views: 712
Posted By Tim Corcoran
When installing the dip stick tube thru the...

When installing the dip stick tube thru the windage tray you can enlarge the hole slightly to make it easier to get everything to line up.
Forum: Pontiac - Race 08-21-2024, 03:02 PM
Replies: 69
Views: 4,638
Posted By Tim Corcoran
Dyno's are like belly buttons everybody has one...

Dyno's are like belly buttons everybody has one and they all look a little different. A time slip is the best dyno.
Forum: Pontiac - Race 08-21-2024, 03:00 PM
Replies: 69
Views: 4,638
Posted By Tim Corcoran
I changed the oil and put in a fresh WIX 51258...

I changed the oil and put in a fresh WIX 51258 filter and 7 quarts of Schaffer 20/40 Supreme 700. Cut the oil filter apart and was pleasantly surprised how clean it was inside. I jetted up from 94/94...
Forum: Pontiac - Street 08-19-2024, 09:37 PM
Replies: 5
Views: 384
Posted By Tim Corcoran
Thanks, I need to look and see if I have a 3/8...

Thanks, I need to look and see if I have a 3/8 pipe tap
Forum: Pontiac - Street 08-19-2024, 08:16 PM
Replies: 5
Views: 384
Posted By Tim Corcoran
Plug for heater outlet on timing cover

What are you guys using to plug the heater outlet on timing cover?
Forum: Pontiac - Race 08-18-2024, 10:06 AM
Replies: 12
Views: 1,042
Posted By Tim Corcoran
The factory windage tray can and does crack, I...

The factory windage tray can and does crack, I had one crack years back. I have not heard of any case where the Tomahawk windage tray has cracked and it is mounted to the main caps. The tomahawk is...
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