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Forum: Pontiac - Street 04-18-2025, 09:58 AM
Replies: 19
Views: 461
Posted By Formulas
What i found to work nicely with a Muncie is to...

What i found to work nicely with a Muncie is to lock it in 2 gears going in with the wiggle / slight twisting so the input shaft is solid , .. This helps with quick alignment of splines instead of...
Forum: Pontiac - Street 04-12-2025, 09:05 AM
Replies: 13
Views: 472
Posted By Formulas
On rotating parts SFI just makes sure something...

On rotating parts SFI just makes sure something can withstand xxxxxx RPMS without flying apart on a lab machine, Nearly everyone believes its some kind effectiveness / longevity rating on whatever...
Forum: Pontiac - Race 04-07-2025, 05:39 PM
Replies: 12
Views: 795
Posted By Formulas
I have a 1970/350 the main webs are the same as...

I have a 1970/350 the main webs are the same as any other 1970 V-8
Forum: Pontiac - Street 04-06-2025, 11:51 AM
Replies: 83
Views: 3,197
Posted By Formulas
I believe the 350 block bored .030 and a 4.00...

I believe the 350 block bored .030 and a 4.00 stroke crank gives you right at 383 cubes which is about as far down the bore to stroke ratio i would ever go and in my opinion goes well with the...
Forum: 70-73 Firebird & TA TECH 04-04-2025, 03:44 PM
Replies: 11
Views: 1,103
Posted By Formulas
The gap your referring to is SOP. to what my 70F...

The gap your referring to is SOP. to what my 70F has been
Forum: Pontiac - Street 03-25-2025, 10:48 AM
Replies: 32
Views: 2,489
Posted By Formulas
One of the most critical parts of the model was...

One of the most critical parts of the model was left out of the input and assumed by the parrot, ... Actual head flow, or intake flow no carb data either, ... the assumption is a choke point in the...
Forum: Pontiac - Street 03-22-2025, 12:27 AM
Replies: 45
Views: 3,932
Posted By Formulas
Never thought there could be such drama involved...

Never thought there could be such drama involved in drilling a .030 hole
Forum: Pontiac - Street 03-13-2025, 05:13 PM
Replies: 30
Views: 2,138
Posted By Formulas
Internal oil passages .... One time i ran a...

Internal oil passages .... One time i ran a straight flute carbide reamer through a 455 crankshaft's oil holes not expecting to do very much i was very suprized at the amount of cutting debris ......
Forum: Performance Parts For Sale/Wanted 03-09-2025, 09:50 PM
Replies: 6
Views: 560
Posted By Formulas
First time i looked at these owning a 70F i said...

First time i looked at these owning a 70F i said to myself now way for 70 they arent smashed on the bottom, .... who knows .... they do look a bit longer than usual?
Forum: Pontiac - Street 03-04-2025, 02:37 PM
Replies: 99
Views: 10,350
Posted By Formulas
Zero / Internal balance at this point in time...

Zero / Internal balance at this point in time just makes life easier now that you cant run to a Pontiac dealer and get a useable flywheel
Forum: Pontiac - Street 03-04-2025, 12:43 PM
Replies: 18
Views: 1,094
Posted By Formulas
Also i have yet to take a set of lifters apart...

Also i have yet to take a set of lifters apart for any reason and not have at least one spring retainer or internal snap ring lose its integrity, .. more so on the snap rings that Rhoads uses
Forum: Pontiac - Street 02-28-2025, 11:10 AM
Replies: 22
Views: 5,673
Posted By Formulas
The lifter faces should show light grind marks,...

The lifter faces should show light grind marks, not a mirror finish, no pits no rings, the center of lifter face should be raised a bit in relation to outer ring, not flat faced
Forum: Pontiac - Race 02-27-2025, 11:30 AM
Replies: 19
Views: 5,116
Posted By Formulas
SPS is/was an aviation fastener group often the...

SPS is/was an aviation fastener group often the top of the 12 point nuts is purposely crimped slightly for self locking providing a bit of friction to opose backing off due to vibrations

When...
Forum: Pontiac - Race 02-20-2025, 10:20 AM
Replies: 19
Views: 5,116
Posted By Formulas
Limited short research ... SPS was bought out by...

Limited short research ... SPS was bought out by a larger Co. with many tenticals appearing to mainly focus on aviation hardware, my guess is SPS started out aviation with a automotive arm then...
Forum: Pontiac - Race 02-19-2025, 06:36 PM
Replies: 19
Views: 5,116
Posted By Formulas
A ... SPS warehouse burnt up yesterday saw it...

A ... SPS warehouse burnt up yesterday saw it on the news
Forum: Pontiac - Street 02-18-2025, 05:44 PM
Replies: 21
Views: 6,672
Posted By Formulas
They were more noisey on my HC-03 cam vrs my...

They were more noisey on my HC-03 cam vrs my AH294-8 comp cam
Forum: Pontiac - Street 02-10-2025, 10:54 AM
Replies: 118
Views: 66,878
Posted By Formulas
Those little facet pumps flow in the hood of...

Those little facet pumps flow in the hood of 32GPH and have 1/8NPT interface and the thought is that because it free flows when off its going to feed a 400HP engine??

For referance a 1/8NPT...
Forum: Pontiac - Street 01-31-2025, 09:20 AM
Replies: 8
Views: 1,571
Posted By Formulas
Pan ID.

Pan ID.
Forum: Pontiac - Street 01-30-2025, 10:07 PM
Replies: 21
Views: 2,022
Posted By Formulas
Valves sink a little on a seat grind, +cc .. ...

Valves sink a little on a seat grind, +cc .. original valves were nail heads not concave +ccs ... .007 cut is about -1cc ... most data charts on chamber sizes are deeply flawed by evidence on...
Forum: Pontiac - Street 01-29-2025, 10:09 AM
Replies: 31
Views: 2,535
Posted By Formulas
I polished cam journals sprayed cam with carb or...

I polished cam journals sprayed cam with carb or brake cleaner taped off polished journals then generous 842 coat remainder of camshaft, 842 applied to coarse parkerization magnifies its ability to...
Forum: Pontiac - Street 01-28-2025, 03:53 PM
Replies: 31
Views: 2,535
Posted By Formulas
Again .. You can lead a horse to water... Goes...

Again .. You can lead a horse to water... Goes on like paint dries doesnt fall off with a little oil splash ... i even coated my pistons, bottom of the cylinders under ring travel fogged where...
Forum: 70-73 Firebird & TA TECH 01-26-2025, 12:44 PM
Replies: 39
Views: 3,630
Posted By Formulas
Are any of you guys near south western West...

Are any of you guys near south western West Virginia?

I have a gutted CA. 70 Espirit
Forum: Pontiac - Street 01-25-2025, 12:10 PM
Replies: 31
Views: 2,535
Posted By Formulas
Clean well and use

Clean well and use
Forum: Pontiac - Street 01-24-2025, 09:29 AM
Replies: 21
Views: 2,237
Posted By Formulas
Instant great loss with new parts that are not...

Instant great loss with new parts that are not light years different from prior build suggests to me cam timing, Perhaps suggest a compression test and real cam numbers
Forum: Pontiac - Street 01-21-2025, 08:14 AM
Replies: 22
Views: 5,673
Posted By Formulas
Hey on picture rotation ... if you rotate your...

Hey on picture rotation ... if you rotate your phone opposite of normal / natural / usual, when you take the pic it will end up the way you wish

I THINK its the way the site is programmed to...
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