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Posts Made By:
Tim Corcoran
Forum:
Pontiac - Street
06-22-2024, 02:53 PM
Replies:
40
Dyno testing 3 intakes on my 462
Views:
1,619
Posted By
Tim Corcoran
Stan For a 4.18 bore and 4.25 stroke with 333...
Stan
For a 4.18 bore and 4.25 stroke with 333 CFM Edlebrocks, 13.1 compression, a solid roller with 264/268 dur. @ .050 and .650 lift. At what RPM would it need to turn to justify a 1050 on top of a...
Forum:
Pontiac - Street
06-17-2024, 12:46 PM
Replies:
30
Radiator Trans Cooler Threaded Inserts Ruined
Views:
792
Posted By
Tim Corcoran
If you decide to use a stand alone oil cooler, be...
If you decide to use a stand alone oil cooler, be aware that using one will not keep the trans at a constant temperature as well as one that is inside the radiator. When it flows through your...
Forum:
Pontiac - Street
06-16-2024, 08:50 AM
Replies:
30
Radiator Trans Cooler Threaded Inserts Ruined
Views:
792
Posted By
Tim Corcoran
A good radiator shop could solder in some new...
A good radiator shop could solder in some new fittings for you. If they are stripped a doubt they can be salvaged
Forum:
Pontiac - Street
06-15-2024, 10:11 AM
Replies:
19
after market system
Views:
544
Posted By
Tim Corcoran
But does it have a boost pressure sensor that...
But does it have a boost pressure sensor that interacts with the internal software of the unit
Forum:
Pontiac - Race
06-14-2024, 08:09 PM
Replies:
124
400 Stroker Build Documentary
Views:
13,116
Posted By
Tim Corcoran
Always make sure you verify you have enough...
Always make sure you verify you have enough clearance between the piston and the valve. With head gasket installed and head torqued, not full torque but you should at least partially crush the head...
Forum:
Pontiac - Street
06-14-2024, 10:50 AM
Replies:
8
Cam for 70 GTO 4 speed
Views:
436
Posted By
Tim Corcoran
https://butlerperformance.com/i-31643666-butler-ex...
https://butlerperformance.com/i-31643666-butler-exclusive-pontiac-std-hyd-lifter-set-hlj-951-16.html?ref=category:1234799
Forum:
Pontiac - Street
06-13-2024, 09:59 PM
Replies:
40
Budget'ish engine build choices
Views:
941
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
06-13-2024, 09:25 PM
Replies:
40
Budget'ish engine build choices
Views:
941
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:
20
4L80 Conversion
Views:
570
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:
43
dip stick popping up
Views:
1,455
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:
43
dip stick popping up
Views:
1,455
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:
20
4L80 Conversion
Views:
570
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:
20
4L80 Conversion
Views:
570
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:
124
400 Stroker Build Documentary
Views:
13,116
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
Retainer to Rocker Arm Clearance
Views:
431
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
Retainer to Rocker Arm Clearance
Views:
431
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
Retainer to Rocker Arm Clearance
Views:
431
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
Retainer to Rocker Arm Clearance
Views:
431
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
Retainer to Rocker Arm Clearance
Views:
431
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
Engine Hoist Load Leveler
Views:
642
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
Motor oil weight you run?
Views:
1,419
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:
124
400 Stroker Build Documentary
Views:
13,116
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:
124
400 Stroker Build Documentary
Views:
13,116
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
Motor oil weight you run?
Views:
1,419
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
Time for a new transmission
Views:
1,070
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...
Showing results 1 to 25 of 500
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