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Forum: Pontiac - Street Today, 07:30 AM
Replies: 35
Views: 544
Posted By Cliff R
The failure rate for cast cranks at or above the...

The failure rate for cast cranks at or above the 700hp mark is 100 percent!

I tried to use them here WAY back when they first came out. At that time I was using one of the best crank grinders in...
Forum: Pontiac - Street Today, 06:15 AM
Replies: 1
Views: 89
Posted By Formulajones
MSD is still the most widely used system in all...

MSD is still the most widely used system in all forms of motorsports.
Only thing that's changed is they are no longer made in Texas. Like everything else it's been moved over seas. You're going to...
Forum: Electrical Tech Today, 02:38 AM
Replies: 2
Views: 58
Posted By etennett
https://uploads.tapatalk-cdn.com/20240614/add2e039...

https://uploads.tapatalk-cdn.com/20240614/add2e039a4a8a1ffb7eaf8da169b2f8e.jpg
Forum: Pontiac - Street Today, 01:30 AM
Replies: 35
Views: 544
Posted By Dragncar
I have 2 of them and both were spot on. Kinsler...

I have 2 of them and both were spot on.
Kinsler put 1500 HP though one. Guys have had them to 900 HP NA but around 1000 HP the non fully counter weighted have issues I hear.
They are certainly...
Forum: Pontiac - Street Today, 12:50 AM
Replies: 35
Views: 544
Posted By Jay S
They have been around for quite a while. I have...

They have been around for quite a while. I have not had SGI or Star Galaxy stuff for a long time. Not sure how quality is these days, but I wouldn’t be afraid of one on a budget build, it is much...
Forum: THE LOBBY Yesterday, 10:46 PM
Replies: 7
Views: 615
Posted By post toastie
cool story about the ram air V ...

cool story about the ram air V https://www.hemmings.com/stories/pontiac-ram-air-v/
Forum: Pontiac - Street Yesterday, 09:59 PM
Replies: 35
Views: 544
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 Yesterday, 09:25 PM
Replies: 35
Views: 544
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 Yesterday, 07:36 PM
Replies: 35
Views: 544
Posted By tom s
If you turn down a 3 1/4 main crank you will have...

If you turn down a 3 1/4 main crank you will have to deal with the thrust bearing spacer.Dont mess around,get a forged crrank.Most people dont have the time or money to do thing right but seem to...
Forum: Pontiac - Street Yesterday, 05:26 PM
Replies: 35
Views: 544
Posted By tom s
If using a cast crank I would feel better with a...

If using a cast crank I would feel better with a factory than a orient crank.Tom
Forum: THE LOBBY Yesterday, 05:24 PM
Replies: 13
Views: 355
Posted By b-man
She’s a beauty ! The GTO is nice too. :)

She’s a beauty !

The GTO is nice too. :)
Forum: Pontiac - Street Yesterday, 05:14 PM
Replies: 35
Views: 544
Posted By b-man
The 8.5 from a ‘71-‘72 Buick/Olds is only 1”...

The 8.5 from a ‘71-‘72 Buick/Olds is only 1” wider overall so 1/2” per side. Should be a pretty simple swap as long as your wheel/tire combo isn’t at the edge clearance wise. Only the earliest 1966...
Forum: Pontiac - Street Yesterday, 04:28 PM
Replies: 22
Views: 406
Posted By b-man
I’m sure that playing around swapping intakes and...

I’m sure that playing around swapping intakes and whatever else needed to adapt that Holley takes up valuable time as well.

There has to be a Quadrajet sitting on a shelf that’s ready to go that...
Forum: Pontiac - Street Yesterday, 03:55 PM
Replies: 13
Views: 496
Posted By 79 Phoenix
GOT IT! I pulled one of the retaining clips out...

GOT IT! I pulled one of the retaining clips out (I didn't know they came out) and slid it onto the handle and then pressed them both in together till it snaped secure. Thanks for your help John!
Forum: Pontiac - Street Yesterday, 03:32 PM
Replies: 22
Views: 406
Posted By b-man
Question This. Why the Holley that doesn’t outperform...

This.

Why the Holley that doesn’t outperform a Quadrajet ?

Make your life easy and just use the carb that fits everything without having to mess with anything else.
Forum: Pontiac - Street Yesterday, 03:01 PM
Replies: 22
Views: 406
Posted By jhein
Why not Option 4 - running the RAIV intake with a...

Why not Option 4 - running the RAIV intake with a Qjet?
Forum: THE LOBBY Yesterday, 01:59 PM
Replies: 1
Views: 126
Posted By einstein
Ram Air V Hemmings article

Published June 11:

https://www.hemmings.com/stories/pontiac-ram-air-v/
Forum: Pontiac - Street Yesterday, 12:48 PM
Replies: 20
Views: 437
Posted By Sirrotica
FWIW, I've run automatics, and 4 speeds on an...

FWIW, I've run automatics, and 4 speeds on an autocross course, there's no advantage to run a 4 speed over an automatic. I've beaten every 4 speed car in my class (SCCA, C prepared) to win the title...
Forum: THE LOBBY Yesterday, 12:17 PM
Replies: 7
Views: 615
Posted By sdbob
It's me,however I cant understand why someone...

It's me,however I cant understand why someone would post bs when they have to know( then again they probably have a hard time getting out of a phone booth with the door open)that there are guys out...
Forum: Pontiac - Street Yesterday, 12:02 PM
Replies: 20
Views: 437
Posted By JLMounce
Autocross with an auto is not really a big deal. ...

Autocross with an auto is not really a big deal. Most cars are in 2nd for the whole run. Road courses are a different story of course.

And yes the US shift controller has the ability to store 4...
Forum: THE LOBBY Yesterday, 11:08 AM
Replies: 13
Views: 355
Posted By 67drake
Sounds like the GTO and your wife are both...

Sounds like the GTO and your wife are both keepers!
Beautiful car!
Forum: THE LOBBY Yesterday, 11:02 AM
Replies: 13
Views: 355
Posted By burgboy73
Reunited with my 1967 GTO after 20 years!

Hey PY members! Long time member here but haven't posted in a long time. To make a long story short - Bought a 1967 GTO off Ebay back in 2004 but was forced to sell due to a divorce. Told the new...
Forum: 67-69 Firebird TECH Yesterday, 10:39 AM
Replies: 1
Views: 97
Posted By north
Smallest to biggest

Went into my home garage last night to get something and it struck me that the two cars in it represented both ends of 69 Pontiac convertible extremes. Pontiac made six convertible models that year:...
Forum: Pontiac - Street Yesterday, 10:37 AM
Replies: 22
Views: 406
Posted By Singleton
For consideration, the Tomahawk/Hurricane is a...

For consideration, the Tomahawk/Hurricane is a squarebore intake that is the exact height and angle of the factory intake.
Forum: Pontiac - Street Yesterday, 10:14 AM
Replies: 31
Views: 804
Posted By 78w72
Hope you can figure this out along with the rms...

Hope you can figure this out along with the rms or pan gasket leak.

Regarding the valve cover grommets, I use the same ones you have on my 78 400 engine, the slot in them is not razor thin, its...
Showing results 1 to 25 of 500
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