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Search took 0.44 seconds. Search: Posts Made By: Formulajones
Forum: Pontiac - Street Yesterday, 11:10 AM
Replies: 17
Views: 370
Posted By Formulajones
All your shops are going to be hub centric with...

All your shops are going to be hub centric with maybe a select small percentage that might even have a lug adapter if you're lucky.

Hub is fine, you're over thinking it. If the wheel is bent then...
Forum: Pontiac - Race 07-19-2026, 09:30 PM
Replies: 18
Views: 497
Posted By Formulajones
Really combo dependent. Im not a fan of solid...

Really combo dependent. Im not a fan of solid rollers for street use but we drive 6-10,000 miles a year. It would have to be such a mild lobe profile that accepted a light spring that I'm not sure...
Forum: Pontiac - Street 07-19-2026, 09:07 PM
Replies: 20
Views: 471
Posted By Formulajones
Kinda sounds like you don't have enough fuel in...

Kinda sounds like you don't have enough fuel in the tank and aggressive driving sloshing the fuel is uncovering the pickup for a second.
Forum: Pontiac - Street 07-19-2026, 08:57 PM
Replies: 17
Views: 370
Posted By Formulajones
Ive been balancing them hub centric for decades,...

Ive been balancing them hub centric for decades, never any issues.
Forum: Pontiac - Race 07-19-2026, 10:35 AM
Replies: 12
Views: 490
Posted By Formulajones
That's an experiment more than anything. Every...

That's an experiment more than anything. Every engine seems to like something a little different.
Generally on the dyno Ive found single plane intakes like the 4 hole taper or super sucker or...
Forum: Pontiac - Race 07-18-2026, 07:51 AM
Replies: 55
Views: 2,447
Posted By Formulajones
Yes they lowered zinc in the 10-30 vr1 but that...

Yes they lowered zinc in the 10-30 vr1 but that happened several years ago. Unless theyve lowered it again? Wouldn't surprise me. The 20-50 has had more zinc content than the 10-30 for quite a...
Forum: Exhaust TECH 07-15-2026, 11:15 AM
Replies: 3
Views: 170
Posted By Formulajones
What's your goal? My 70RAIII setup for ps...

What's your goal?
My 70RAIII setup for ps racing with stock manifolds picked up 3 tenths a 3 mph going from stock 2 1/4 exhaust to a 2 1/2 mandrel flow master transverse force II system. Another...
Forum: Pontiac - Street 07-12-2026, 03:23 PM
Replies: 24
Views: 936
Posted By Formulajones
Exactly, do your due diligence is how I approach...

Exactly, do your due diligence is how I approach it. Blanket statements with nothing to back it up, Blogs on the internet are so back and forth, many bias, most never updated, and therefore taken...
Forum: Pontiac - Street 07-11-2026, 08:13 AM
Replies: 24
Views: 936
Posted By Formulajones
That's exactly my thoughts but the premise of...

That's exactly my thoughts but the premise of this thread seemed to turn to "they got shorter so they are junk I'm switching brands" mentality

When in reality a hair shorter filter doesn't mean...
Forum: Pontiac - Street 07-10-2026, 07:39 AM
Replies: 24
Views: 936
Posted By Formulajones
That must be why. Ive cut open close to 20...

That must be why.
Ive cut open close to 20 wix filters recently on 4 new engines. They are either wix from oreillys or Napa gold from Napa depending on where I'm buying that day, and they are all...
Forum: Pontiac - Street 07-09-2026, 05:06 PM
Replies: 24
Views: 936
Posted By Formulajones
I have yet to see the size difference here and...

I have yet to see the size difference here and I'm sourcing them at Napa and oreillys. No problems here.
Forum: Pontiac - Race 07-05-2026, 08:40 AM
Replies: 7
Views: 166
Posted By Formulajones
Most times I just remove the carb for jet changes...

Most times I just remove the carb for jet changes so I'm not spilling gas on the engine. Never fails even if I drain the bowl there is still residual that runs down the intake and stains everything....
Forum: Pontiac - Street 07-02-2026, 03:26 PM
Replies: 10
Views: 509
Posted By Formulajones
I've daily'd my stock RAIII 400 formula for...

I've daily'd my stock RAIII 400 formula for years. It's a 400 turbo and 3.31's and it gets 17 mpg highway and 14 around town. If it had an overdrive it would easily do over 20.

I built a 383...
Forum: Pontiac - Street 07-02-2026, 07:30 AM
Replies: 9
Views: 539
Posted By Formulajones
On the heat riser I always keep it looking...

On the heat riser I always keep it looking functional for aesthetic reasons but I have the tube blocked and stuffed with aluminum foil.

The scoops work surprisingly well on the 69 despite being...
Forum: Pontiac - Street 07-02-2026, 07:22 AM
Replies: 18
Views: 464
Posted By Formulajones
I use coated bearings in everything from either...

I use coated bearings in everything from either King or ICL. Ive still needed .001 under bearings on occasions when I run into this deal.

I guess it depends on how picky you want to get. Some...
Forum: Pontiac - Street 07-01-2026, 10:19 PM
Replies: 18
Views: 464
Posted By Formulajones
What mgarblik described is what I do in...

What mgarblik described is what I do in situations like that. You may only need to mix half shells like he said, just takes a little time to find the right mix that gets you where you want to be.
...
Forum: Pontiac - Street 07-01-2026, 05:05 PM
Replies: 18
Views: 464
Posted By Formulajones
I don't run them that big. When I have a...

I don't run them that big. When I have a situation like that I get another set of .001 under bearings and start combining sets till I get something more acceptable.
Forum: EFI Tech 06-28-2026, 09:26 AM
Replies: 18
Views: 3,140
Posted By Formulajones
The biggest thing I've found with all the Sniper...

The biggest thing I've found with all the Sniper 1 installs I've done is just making sure the wires coming out of the back aren't clumped together. The TPS, 02, temp wires, and the cable for the...
Forum: Pontiac - Street 06-26-2026, 10:25 AM
Replies: 51
Views: 1,613
Posted By Formulajones
When these cars were new they came with a tiny...

When these cars were new they came with a tiny tire most of the time barely measuring 26" tall. That helps tremendously getting away with a horrible effective gear ratio. People today, me included,...
Forum: EFI Tech 06-26-2026, 07:49 AM
Replies: 18
Views: 3,140
Posted By Formulajones
Ive seen people try all kinds of Micky mouse...

Ive seen people try all kinds of Micky mouse solutions. Most of what Ive seen are poor install practices. Bundling wires all together and old cars with their own set of wiring problems before...
Forum: Pontiac - Street 06-26-2026, 07:36 AM
Replies: 51
Views: 1,613
Posted By Formulajones
That's true in a perfect world but this stuff...

That's true in a perfect world but this stuff isnt exact. The factory ratings were fudged in a lot of cases. People with different types of dynos and depending on who's running it that day. You have...
Forum: Pontiac - Street 06-25-2026, 09:04 PM
Replies: 51
Views: 1,613
Posted By Formulajones
It's the same engine. There is no carb limiting...

It's the same engine. There is no carb limiting on mine LOL. I think people, at least anyone performance minded, caught onto that deal pretty early on back in the day.
Forum: Pontiac - Street 06-25-2026, 05:10 PM
Replies: 51
Views: 1,613
Posted By Formulajones
Most ratings are likely a bit soft from the...

Most ratings are likely a bit soft from the factory. You can couple that with any particular dyno that also could be a smidge "happy"
With that said, I would expect a healthy 71-72 stock 400 to...
Forum: Pontiac - Street 06-25-2026, 11:11 AM
Replies: 51
Views: 1,613
Posted By Formulajones
Glenn, the engine that was gross rated in 71 is...

Glenn, the engine that was gross rated in 71 is virtually the same engine in 72, just the way the factory rated the engine changed to a net rating.

If you took two 400 gto's to the dyno that...
Forum: Pontiac - Street 06-25-2026, 06:01 AM
Replies: 20
Views: 757
Posted By Formulajones
That was my experience as well many years ago. ...

That was my experience as well many years ago. The last several years up to just a couple month ago theyve been excellent.
For sure currently a much better option than a rock rod
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