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Forum: Pontiac - Street 06-24-2023, 10:05 PM
Replies: 13
Views: 917
Posted By Shiny
Glad to hear you are making improvements! ...

Glad to hear you are making improvements!

Below are dimensions of springs SunTuned (Bob Davis) sent me and which I assume are "stock". But I don't know how many "stock" spring PNs were used in...
Forum: Pontiac - Street 05-20-2023, 03:49 PM
Replies: 16
Views: 1,865
Posted By geeteeohguy
2700 Mile Road Trip in Un-Improved '67 GTO

Hi all. Just got back from a Route 66 /Southwest vacation in my old '67 GTO ragtop. Car has the born with 400, carb, and points distributor. I changed the 670 heads to #15's from a '70 455 about 15...
Forum: Pontiac - Street 04-23-2023, 03:31 PM
Replies: 32
Views: 3,015
Posted By Dragncar
Junk the Petronix and go with a quality single...

Junk the Petronix and go with a quality single point combined with a 6AL with rev limiter and be done with it. Lasts forever and almost foolproof.
You can find working MSD boxes Made in America...
Forum: Pontiac - Street 03-11-2023, 11:35 AM
Replies: 7
Views: 1,533
Posted By 78w72
pontiac drag racers is a good one.

pontiac drag racers is a good one.
Forum: Pontiac - Street 01-28-2023, 11:40 PM
Replies: 16
Views: 1,734
Posted By tom s
Looks like wrong gaskets,need the smaller heat X...

Looks like wrong gaskets,need the smaller heat X over hole.Just did a engine with a set of 48s.Tom
Forum: Pontiac - Street 11-26-2022, 10:28 PM
Replies: 11
Views: 1,601
Posted By 'ol Pinion head
Will expand on what Dennis mentioned earlier, the...

Will expand on what Dennis mentioned earlier, the common short snorkel aircleaner in the original post came from one of the following:

-70 Pontiac B series with evap emissions. Not with the 455 XF...
Forum: Pontiac - Street 11-26-2022, 10:05 PM
Replies: 11
Views: 1,601
Posted By SD455DJ
Here is the '68 single snorkel air cleaner on...

Here is the '68 single snorkel air cleaner on GTO's and 428HO's. The snorkel is longer on these and aren't double flared at the snorkel opening like the OP's unit.

Dennis
Forum: Pontiac - Street 10-22-2022, 08:51 PM
Replies: 225
Views: 25,952
Posted By ta man
Was actually warmer then we expected but pretty...

Was actually warmer then we expected but pretty good air..temps were 16 to 20 degrees Celsius but we had a headwind..so that hampered the times slightly.

Andy ran a new best of 10.76 I managed a...
Forum: Pontiac - Street 10-16-2022, 05:16 PM
Replies: 17
Views: 6,774
Posted By Greg Reid
Oops... I missed this post somehow and I'm not...

Oops... I missed this post somehow and I'm not sure which picture you talking about?.... But if you're talking about the car in my signature it's just the 1968 factory tint.
Forum: Pontiac - Street 10-14-2022, 03:07 PM
Replies: 24
Views: 4,144
Posted By Sirrotica
Idle is usually too high in these situations, the...

Idle is usually too high in these situations, the reason that GM, as well as some other manufacturers used idle stop solenoids. Those cars had 2 idle settings, a curb idle which was just above 600...
Forum: Pontiac - Street 09-22-2022, 01:47 AM
Replies: 36
Views: 3,941
Posted By 64speed
ROBBMC

ROBBMC
Forum: Pontiac - Street 09-17-2022, 05:50 AM
Replies: 77
Views: 10,970
Posted By GTO-relic
this put many a 426 Hemi, on the trailer, in...

this put many a 426 Hemi, on the trailer, in NASCAR, for years...
how bad can it be ?
you can't argue with success.

the problem with the internal combustion engine is this,
we get sidetracked...
Forum: Pontiac - Street 08-04-2022, 08:34 AM
Replies: 7
Views: 759
Posted By mgarblik
RC12YC is a very popular plug and I am guessing...

RC12YC is a very popular plug and I am guessing you chose them because that's the recommended plug in the Edelbrock paperwork. I would read the plugs and see what they are telling you about the heat...
Forum: Pontiac - Street 07-23-2022, 10:11 AM
Replies: 76
Views: 11,092
Posted By 70geeteeohh
Got it. People should build cars to...

Got it.

People should build cars to their own liking. There is no comparison in drivability and horsepower against the newer vehicles especially with AWD in the mix.

If 400hp makes...
Forum: Pontiac - Street 07-16-2022, 01:45 AM
Replies: 11
Views: 2,178
Posted By PAUL K
If you don't have a torque plate, you can torque...

If you don't have a torque plate, you can torque a head with a gasket in place and measure from the oil pan side.
Forum: Pontiac - Street 05-28-2022, 07:10 PM
Replies: 73
Views: 10,298
Posted By ponyakr
Hello all, Just a quick update. Don...

Hello all,

Just a quick update. Don (Ponyakr) is off the ventilator now, Praise the Lord!, breathing on his own with a mask set at 50% oxygen. All vitals are pretty stable. Not very communicative...
Forum: Pontiac - Street 12-24-2021, 06:19 PM
Replies: 87
Views: 14,474
Posted By slowbird
More people should listen to Paul

More people should listen to Paul
Forum: Pontiac - Street 08-17-2021, 03:48 PM
Replies: 0
Views: 886
Posted By 64speed
Purolator Boss Oil Filter

The application listed for the common Pontiac is PBL25288 but it is a small modern filter although it will work. If you want to use the Purolator Boss and you want a large filter, even a little...
Forum: Pontiac - Street 08-12-2021, 01:18 PM
Replies: 18
Views: 4,073
Posted By Formulabruce
There are mineral based, ash based and completely...

There are mineral based, ash based and completely synthetic baes for oils.
For many years Mobil was ash based, and Only Royal Purple was 100% $ynthetic.
Pure Synthetics are more durable.
...
Forum: Pontiac - Street 07-21-2021, 07:40 PM
Replies: 63
Views: 14,663
Posted By Formulajones
When I said proper I meant hydraulic roller...

When I said proper I meant hydraulic roller lifters on a hydraulic roller stick, in other words, the way it was meant to be, not a hybrid setup so to speak.

But, if you're curious what I like to...
Forum: Pontiac - Race 07-01-2021, 12:08 PM
Replies: 23
Views: 6,671
Posted By Spaceman Spiff
I’m all for fast street driven cars. Single digit...

I’m all for fast street driven cars. Single digit cars, driven on the street. The problem is, if you get into an accident on the street, rear ended , t boned, whatever, you are not wearing a helmet,...
Forum: Pontiac - Race 06-23-2021, 09:06 AM
Replies: 147
Views: 42,453
Posted By PONTIAC LARRY
Speedmaster heads track results ?

I know there are several older threads on these affordable heads and I try to keep up on others posts related but after 2 years I still have not seen any track results or impressive performance done...
Forum: Pontiac - Street 05-30-2021, 10:42 AM
Replies: 36
Views: 8,274
Posted By Stan Weiss
Yes the push rod end is moving more than the...

Yes the push rod end is moving more than the pivot point does but not by that amount time the rocker arm ratio. Lets say are rocker arm is 1.5:1. so the push rod side is 1" and the valve side is 1.5"...
Forum: Pontiac - Street 05-15-2021, 12:54 PM
Replies: 28
Views: 7,530
Posted By Stan Weiss
The problem is that these boards will sometime...

The problem is that these boards will sometime rotate the picture.

Stan
Forum: Pontiac - Street 03-17-2021, 06:26 PM
Replies: 58
Views: 13,874
Posted By Formulajones
After buying a few LED's I found these Lightening...

After buying a few LED's I found these Lightening Dark H4 9003 hi/low beams to actually project a light way out front as well as enough to the sides to see the ditches. Some of the cheaper LED's...
Showing results 1 to 25 of 65
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