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Search took 0.13 seconds. Search: Posts Made By: 1968GTO421
Forum: Pontiac - Street Yesterday, 01:43 PM
Replies: 41
Views: 1,039
Posted By lust4speed
I went through the stud selection years ago when...

I went through the stud selection years ago when I went with the AllPontiac aluminum block and first gen Edelbrock RPM heads. A joint effort involving Frank and myself finally got things sorted out...
Forum: Pontiac - Street 04-22-2024, 07:30 AM
Replies: 43
Views: 1,774
Posted By Sun Tuned
Clearly some of the aftermarket choices are...

Clearly some of the aftermarket choices are rather glass jawed at times. Some just plain aren’t worth a hoot to start with.

After messing with this stuff some 30 years or so, I’ve developed a...
Forum: Pontiac - Street 04-22-2024, 01:49 AM
Replies: 43
Views: 1,774
Posted By Schurkey
Yeah, GM kept that a complete secret. Who would...

Yeah, GM kept that a complete secret. Who would have ever guessed that there was a resistor bypass wire? Certainly not an outside company designing products to be used on GM products. (Moreover,...
Forum: Pontiac - Street 04-22-2024, 12:09 AM
Replies: 43
Views: 1,774
Posted By unruhjonny
at the risk of making someone here re-read my...

at the risk of making someone here re-read my experience with electronic ignitions on a points car;
I was introduced to the bad side of electronic ignitions when the most reliable one out there (a...
Forum: Pontiac - Street 04-21-2024, 06:52 AM
Replies: 50
Views: 2,670
Posted By Cliff R
The article in question here suggests 4-6psi but...

The article in question here suggests 4-6psi but doesn't mention what carb is being used or the size of the fuel inlet seat. I suspect that the author was either using a 1968 or older carb for the...
Forum: Pontiac - Street 04-16-2024, 04:46 PM
Replies: 1
Views: 191
Posted By steve25
I don’t know the details of that part of the set...

I don’t know the details of that part of the set up, I do know that in terms of the pedal itself auto trans cars had the chrome trim around the pedal, mt cars did not,
Forum: Pontiac - Street 04-14-2024, 06:09 PM
Replies: 98
Views: 4,248
Posted By geeteeohguy
The front brakes do about 75-80% of the stopping...

The front brakes do about 75-80% of the stopping power on these cars. Drum rear brakes have much better park/emergency brake action. And can be used to stop the car in an emergency. I personally...
Forum: Pontiac - Street 04-10-2024, 12:01 PM
Replies: 12
Views: 577
Posted By HWYSTR455
Under the dash, I use the lower brace of cowl...

Under the dash, I use the lower brace of cowl where the dash attaches by driver door to ground everything under the dash. Did a rivet-nut with a stud, and everything goes there. It will feed off the...
Forum: Pontiac - Street 04-10-2024, 11:19 AM
Replies: 12
Views: 577
Posted By HWYSTR455
Copper, yes. I go from batt to frame to...

Copper, yes.

I go from batt to frame to block with 4g SGT grade wire. Copper crimp lugs with shrink tube. The frame point has a rivet-nut in it to ensure total contact. I connect to a bolt hole on...
Forum: Pontiac - Street 04-07-2024, 09:30 PM
Replies: 12
Views: 577
Posted By Half-Inch Stud
Copper best in auto. Aluminum good but...

Copper best in auto.
Aluminum good but attachment points fraught with electrolysis corrosion.
Steel not so good, but in a penny pinch, GM and others will show you just how good running High current...
Forum: Pontiac - Street 04-07-2024, 03:35 PM
Replies: 25
Views: 805
Posted By steve25
Good, that’s the way to work this out and you...

Good, that’s the way to work this out and you then have the needed rockers and push rods I hope, because used rockers should stay mated to there push Rod’s.

This is why Pontiac use to only supply...
Forum: Pontiac - Street 04-07-2024, 08:28 AM
Replies: 6
Views: 349
Posted By Formulajones
Nice to see a reply with updates and good results...

Nice to see a reply with updates and good results for a change.

I'm a bit leery myself to go full on electrical with gauges like that but I do like some of their analog style gauge setups, which...
Forum: Pontiac - Street 04-03-2024, 10:44 PM
Replies: 23
Views: 684
Posted By Skip Fix
If you are going to use a Factory A/C pulley BHJ...

If you are going to use a Factory A/C pulley BHJ can add a slight 45 degree bevel to make it fit better. Their later versions also have something to help prevent outer ring rotation. they can add...
Forum: Pontiac - Street 04-03-2024, 09:01 PM
Replies: 23
Views: 684
Posted By gtospieg
So far... ...

So far...


Romac.................RMA-NA0223AA........$288

Power bond.....PBB PB10565ST.........$168
Power bond.....PBB PB10565SS.........$241

Pro...
Forum: Pontiac - Street 04-03-2024, 06:45 PM
Replies: 25
Views: 805
Posted By b-man
Your heads are mismatched by casting number only....

Your heads are mismatched by casting number only.

140 is from a 1967 326 9.2:1 compression.

094 is from a 1966 326 9.2:1 compression.

Valve size for both heads are the same 1.92”/1.66”.
...
Forum: Pontiac - Street 04-03-2024, 06:27 PM
Replies: 25
Views: 805
Posted By Sirrotica
He can run 2 different length pushrods in the...

He can run 2 different length pushrods in the same engine, correct.
After all BBCs run 2 different length pushrods since they were designed, as do fords and many late model GM V6s.

The valve...
Forum: Pontiac - Street 04-03-2024, 04:15 PM
Replies: 25
Views: 805
Posted By Sirrotica
On any multi cylinder engine you look at each...

On any multi cylinder engine you look at each cylinder as one small engine, They all contribute to the power at the shared crankshaft.

If someone hand ported a cylinder head, and got one cylinder...
Forum: Pontiac - Street 04-03-2024, 04:02 PM
Replies: 59
Views: 2,274
Posted By mgarblik
Yes, agree Tom. But the components were being...

Yes, agree Tom. But the components were being sourced from China. Specifically the roller wheels and the needle bearings. The most critical parts of the lifter. Then assembled in the US. Problem...
Forum: Pontiac - Street 04-02-2024, 09:27 AM
Replies: 8
Views: 486
Posted By Steve C.
No argument here, only a FWIW observation. Years...

No argument here, only a FWIW observation. Years ago I ran the .3883, .4176 and .4267 series of UltraDyne solid roller lobes and all the cam cards specified .026" lash on both intake & exhaust. ...
Forum: Pontiac - Street 04-02-2024, 12:17 AM
Replies: 15
Views: 669
Posted By Schurkey
I don't understand why folks want to crank the...

I don't understand why folks want to crank the engine longer than needed. Fire the biitch up, get the oil pump spinning. Oil pressure builds quickly, oil film wedge builds almost instantly. Oil...
Forum: Pontiac - Street 04-01-2024, 09:44 PM
Replies: 15
Views: 669
Posted By Sirrotica
This^^^^^^^^^^^^^^^^ This would also be my...

This^^^^^^^^^^^^^^^^

This would also be my recommendation if you're not priming the oil pump. Turn it over until the oil pump sends some oil into the bearings before you actually start it.
...
Forum: Pontiac - Street 03-31-2024, 06:52 AM
Replies: 20
Views: 1,188
Posted By steve25
Real good point mentioned in post 4. New...

Real good point mentioned in post 4.

New divorced chokes need to be adjusted.

There rod coming up needs to be set so when cold the choke closes off all the way.
Once the engine starts and...
Forum: Pontiac - Street 03-30-2024, 12:49 PM
Replies: 6
Views: 430
Posted By Formulajones
I don't know about stiffer being any better, they...

I don't know about stiffer being any better, they do make a few different styles of intake gaskets and some are a bit flimsy in comparison.
I have noticed some different quality issues with Felpro...
Forum: Pontiac - Street 03-24-2024, 02:54 PM
Replies: 23
Views: 1,016
Posted By ZeGermanHam
I bought the aluminum pulleys from Ram Air Resto....

I bought the aluminum pulleys from Ram Air Resto. Took about a year to receive them at the time, but they work great on my 66 with PS, AC, high flow WP, and HD fan clutch. Gates belts, no squeal...
Forum: Pontiac - Street 03-24-2024, 01:45 PM
Replies: 67
Views: 2,526
Posted By geeteeohguy
I would throw it on an ocilloscope and look at...

I would throw it on an ocilloscope and look at the ignition pattern. Very possibly an ignition issue that will show up on the screen easily. Why tear an engine down if it's an open wire or bad plug,...
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