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Search took 0.21 seconds. Search: Posts Made By: Half-Inch Stud
Forum: Pontiac - Street Yesterday, 06:25 PM
Replies: 17
Views: 478
Posted By Half-Inch Stud
Half-as-Easy; just do the Exhaust lobes, or...

Half-as-Easy; just do the Exhaust lobes, or Rockers.Half-as-Hard anyway.
Forum: Pontiac - Street Yesterday, 03:28 PM
Replies: 9
Views: 271
Posted By Half-Inch Stud
I figure your 4L80 has the 34 element Sprag. You...

I figure your 4L80 has the 34 element Sprag. You could also figure that.
Adapter plate: contour the external perimeter to match your Block Bell external contour.
Vacuum Modulator kit will allow...
Forum: THE LOBBY Yesterday, 07:46 AM
Replies: 6
Views: 528
Posted By Half-Inch Stud
Yea, i never met the winner, but an intro is easy.

Yea, i never met the winner, but an intro is easy.
Forum: Pontiac - Street 06-23-2024, 08:04 AM
Replies: 9
Views: 481
Posted By Half-Inch Stud
Only if overfilled by 2 quarts or more. Should...

Only if overfilled by 2 quarts or more. Should come out the dipstick tube before puoring out elsewhere.
Forum: Pontiac - Street 06-23-2024, 08:00 AM
Replies: 14
Views: 441
Posted By Half-Inch Stud
The 1970 HEI original rotor screws may have been...

The 1970 HEI original rotor screws may have been 1/4" hex head and seems to stay put.
Forum: THE LOBBY 06-22-2024, 07:53 PM
Replies: 6
Views: 528
Posted By Half-Inch Stud
Neighbor won. A 66 GTO raffle

Neighbor i built a TH400 for says his daughter (i built her hubby a TH400) neighbor won a 66 GTO thru a raffle. It's delivered, and within the usual dog-walk distance so-well maybe i go check it...
Forum: Pontiac - Street 06-21-2024, 07:52 AM
Replies: 14
Views: 441
Posted By Half-Inch Stud
Had the loose HEI rotor discovery before, so...

Had the loose HEI rotor discovery before, so became picky about the choice of rotor screws.

Easy to blame a clapped-out mount plate, or an unseated rotor.

Where they shiney philips head or dull...
Forum: THE LOBBY 06-20-2024, 07:43 AM
Replies: 29
Views: 1,026
Posted By Half-Inch Stud
Yea, i think the folks here ought bench test at...

Yea, i think the folks here ought bench test at home.

Adv-Auto store bench testers look pretty overkill, like the battery charger blast-proof box looks overkill. Didn't figure they were only a...
Forum: Pontiac - Street 06-18-2024, 07:14 AM
Replies: 10
Views: 391
Posted By Half-Inch Stud
Car weight, gearset ratio, and converter dia...

Car weight, gearset ratio, and converter dia please. Loose converter is suspected.
Forum: THE LOBBY 06-17-2024, 07:58 PM
Replies: 9
Views: 539
Posted By Half-Inch Stud
Posi grip?

Posi grip?
Forum: Pontiac - Race 06-16-2024, 02:39 PM
Replies: 2
Views: 123
Posted By Half-Inch Stud
R should be much higher.

R should be much higher.
Forum: Pontiac - Street 06-15-2024, 02:48 PM
Replies: 19
Views: 544
Posted By Half-Inch Stud
301 Turbo HEi has 10* boost retard.

301 Turbo HEi has 10* boost retard.
Forum: THE LOBBY 06-14-2024, 09:11 PM
Replies: 11
Views: 539
Posted By Half-Inch Stud
Not for me. Butt them PAW and JC Whitney catalogs...

Not for me. Butt them PAW and JC Whitney catalogs were exciting to read.
Forum: Pontiac - Street 06-10-2024, 06:20 PM
Replies: 20
Views: 571
Posted By Half-Inch Stud
Dual Gate should work fine. Is a matter of...

Dual Gate should work fine. Is a matter of tuning the lever pength at the 4L80 shaft.

Also, certainly want the vacuum modulator kit, and certainly want to engage the "A"and "B" solenoids using...
Forum: THE LOBBY 06-10-2024, 06:16 PM
Replies: 62
Views: 4,579
Posted By Half-Inch Stud
Practiced pre-retirement by working pt-remote...

Practiced pre-retirement by working pt-remote just before covid. Well, went back to full time, yet remote. Retirement living is meant to be work on home, at home, and from home. Everyting in...
Forum: Pontiac - Race 06-10-2024, 07:44 AM
Replies: 2
Views: 211
Posted By Half-Inch Stud
Check center Support shaft-Bushing Play for...

Check center Support shaft-Bushing Play for massive HYD Leak. Tighten packs to 060" all flat steels. Trim up Vac Mod 2-turns CW.

Is the Dir Drum mid-seal and 2nd center support ring out for...
Forum: THE LOBBY 06-06-2024, 07:17 AM
Replies: 6
Views: 278
Posted By Half-Inch Stud
Remove wings and Make it road worth.

Remove wings and Make it road worth.
Forum: THE LOBBY 06-05-2024, 08:03 AM
Replies: 5
Views: 426
Posted By Half-Inch Stud
Ha, noce. I have a couple black GM rims set up...

Ha, noce. I have a couple black GM rims set up for the front yard, and the back yard hoses.
Forum: Pontiac - Street 06-03-2024, 07:01 PM
Replies: 31
Views: 1,031
Posted By Half-Inch Stud
Check total adv with vac hose off the ADV pod.

Check total adv with vac hose off the ADV pod.
Forum: Pontiac - Street 06-03-2024, 07:26 AM
Replies: 62
Views: 3,316
Posted By Half-Inch Stud
Sooooo, how was the oil level before and after...

Sooooo, how was the oil level before and after the drive?
Forum: Pontiac - Street 06-01-2024, 07:16 PM
Replies: 35
Views: 1,072
Posted By Half-Inch Stud
400, TH400 and a 2.73:1 posi.

400, TH400 and a 2.73:1 posi.
Forum: THE LOBBY 05-31-2024, 03:39 PM
Replies: 12
Views: 566
Posted By Half-Inch Stud
Find a straight door. 400 is good to build. ...

Find a straight door.
400 is good to build. Some folks will advise a 455 class 4.25" stroke crank and pistons kit from Butler in TN.
13 heads are a bit high compr for the 400 and 455 kit. 5Cs on...
Forum: Pontiac - Street 05-30-2024, 07:55 AM
Replies: 17
Views: 902
Posted By Half-Inch Stud
....we had bought a 70GTO 3-speed stick 400 with...

....we had bought a 70GTO 3-speed stick 400 with the Type O 12-bolt POSI. Gearing was 2.56:1

Seemed original, but the prevailing opinion was 10-bolts for 400s, or Chevy 12-bolt (3.31:1) for 455s....
Forum: Pontiac - Street 05-28-2024, 07:48 PM
Replies: 13
Views: 807
Posted By Half-Inch Stud
In summary: coil bind (inner springs), bad rocker...

In summary: coil bind (inner springs), bad rocker nut adjustment. Do over with replaced pushrods.
Forum: THE LOBBY 05-23-2024, 07:31 AM
Replies: 63
Views: 4,627
Posted By Half-Inch Stud
PMD or Pontiac Styling Department PSD?

PMD or Pontiac Styling Department PSD?
Showing results 1 to 25 of 500
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