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Forum: Pontiac - Street 04-29-2023, 12:09 PM
Replies: 54
Views: 2,777
Posted By wbnapier
Since engine is out of the car, transfer it from...

Since engine is out of the car, transfer it from the cradle to a regular engine stand, then take both the pan and timing cover off. Clean everything, then reinstall with new gaskets and sealant...
Forum: THE LOBBY 04-29-2023, 11:54 AM
Replies: 27
Views: 1,129
Posted By wbnapier
Former fire marshal here. General home: Yes,...

Former fire marshal here.

General home: Yes, ABC good around the house. Also, water ones, known at PW extinguishers. We carried them on all our apparatus. Only good for A class fires (solids)....
Forum: Pontiac - Street 03-31-2023, 12:11 PM
Replies: 40
Views: 1,991
Posted By wbnapier
https://openai.com/

https://openai.com/
Forum: Pontiac - Street 03-31-2023, 11:59 AM
Replies: 40
Views: 1,991
Posted By wbnapier
I'm just having fun with the new AI tech and I...

I'm just having fun with the new AI tech and I really like Pontiac engines, so I wanted to play around.

I have no doubt that AI will only get better as time goes on.
Forum: Pontiac - Street 03-31-2023, 11:56 AM
Replies: 40
Views: 1,991
Posted By wbnapier
I specified a streetable cam with lots of vacuum....

I specified a streetable cam with lots of vacuum.

I asked the AI if it had access to Pontiac dyno data and it said yes, but only up to 2021, and only if it was published as text online. In...
Forum: Pontiac - Street 03-30-2023, 01:34 AM
Replies: 40
Views: 1,991
Posted By wbnapier
Follow up, I asked the AI for projected...

Follow up, I asked the AI for projected performance, it said:

Based on my experience, a well-tuned engine with this camshaft could produce approximately 450-500 horsepower at the flywheel and...
Forum: Pontiac - Street 03-30-2023, 01:33 AM
Replies: 40
Views: 1,991
Posted By wbnapier
Open AI / Chat GPT Cam Selection

I just asked an AI to select a HRC for my engine.

I gave it basic info, basically my engine.

Intended use: Street. 455/469, #48 Heads, '65 Tripower, 9.25:1, 4 speed, 3.55 Dif

Need vacuum for...
Forum: Pontiac - Street 02-13-2023, 11:11 PM
Replies: 24
Views: 1,918
Posted By wbnapier
Those Aluminum 421 SD manifolds look bad ass. I...

Those Aluminum 421 SD manifolds look bad ass. I wonder how they fit in everything else outside of 61-63.

https://www.ramairrestoration.com/sd-1alum-d-port-421-super-duty-factory-headers.html
Forum: Pontiac - Street 02-07-2023, 12:20 PM
Replies: 58
Views: 3,624
Posted By wbnapier
I run my vacuum advance off of full manifold...

I run my vacuum advance off of full manifold vacuum. It's very steady at idle. I was under the impression that most people connect to full manifold vacuum.
Forum: Pontiac - Street 01-28-2023, 05:10 PM
Replies: 122
Views: 6,903
Posted By wbnapier
You can sand cast aluminum. Die casting is more...

You can sand cast aluminum. Die casting is more expensive, but more precise. My experience in this is based on ornamental castings in China which may or may not apply.
Forum: Tri-Power Tech 12-29-2022, 03:27 PM
Replies: 17
Views: 1,502
Posted By wbnapier
OK, I had success. My issue was the idle...

OK, I had success.

My issue was the idle mixture screw springs. They were too long and the screws couldn't fully seat, or close to seated enough.

Also, see photo, there is a lot of variance...
Forum: 66-67 GTO Tempest & LeMans TECH 11-05-2022, 11:01 AM
Replies: 21
Views: 1,271
Posted By wbnapier
You'll probably have to remove bumpers and...

You'll probably have to remove bumpers and steering column.

Pray you don't break a cage nut.
Forum: Pontiac - Street 08-27-2022, 07:22 PM
Replies: 68
Views: 7,667
Posted By wbnapier
https://progressionignition.com/ The sell...

https://progressionignition.com/

The sell distributors that allow for timing maps to be created and use via one's smartphone. You can makes all sort of adjustments to timing that would be very...
Forum: Pontiac - Street 08-19-2022, 08:03 PM
Replies: 68
Views: 7,667
Posted By wbnapier
Thank you Formula_jg. For whatever reason, I did...

Thank you Formula_jg. For whatever reason, I did not receive the map from you. To date, I have received one table from someone else. I'd like to try to send you one as a test if you let me have...
Forum: Pontiac - Street 04-15-2022, 10:58 AM
Replies: 77
Views: 5,926
Posted By wbnapier
I have a 455, with #48 heads that have 70cc...

I have a 455, with #48 heads that have 70cc chambers. My piston dish is 35.8cc to get approximately 9.25:1cr for California 91.

I have the SD Performance Stump Puller. No issues on 91 octane, and...
Forum: Pontiac - Race 03-20-2022, 10:50 AM
Replies: 8
Views: 1,054
Posted By wbnapier
It seems he was using the Edelbrock video as "B...

It seems he was using the Edelbrock video as "B roll" for this video.

Actually, not cool, as many will associate Edelbrock with his bad actor story from back in the day.
Forum: Pontiac - Street 09-19-2021, 11:51 AM
Replies: 27
Views: 1,880
Posted By wbnapier
I may buy some vinyl and put the stripe on just...

I may buy some vinyl and put the stripe on just for the commentary here :).


Sent from my iPhone using Tapatalk
Forum: 70-73 Firebird & TA TECH 09-09-2021, 08:17 PM
Replies: 28
Views: 2,736
Posted By wbnapier
To me, it's part of the fun of the hobby. If you...

To me, it's part of the fun of the hobby. If you have the $, want to do it, go for it.
Forum: Pontiac - Street 10-15-2020, 12:44 AM
Replies: 311
Views: 40,181
Posted By wbnapier
NeighborsComplaint - 1) I am not satisfied...

NeighborsComplaint -

1) I am not satisfied with Butler's answer in the least. I have 19 years experience with casting in an unrelated field, and I found their answer patronizing and have not...
Forum: Pontiac - Street 10-12-2020, 08:37 PM
Replies: 311
Views: 40,181
Posted By wbnapier
I spoke to the machinist today. He's done with...

I spoke to the machinist today. He's done with the diagnostic.

He is 100% sure the problem is with the #5 bearing. The bearing sits too far rearward, due to the locater tangs. This combined...
Forum: Pontiac - Street 09-16-2020, 06:39 PM
Replies: 311
Views: 40,181
Posted By wbnapier
Hot, soapy water. Acetone, mineral spirits,...

Hot, soapy water. Acetone, mineral spirits, etc... I had one of those engine brush cleaning kits, Maybe a missed something. We'll find out.

The first oil filter was really clean after initial...
Forum: Pontiac - Street 09-08-2020, 10:24 AM
Replies: 311
Views: 40,181
Posted By wbnapier
HWYSTR455 - Zero lash + turn of preload. I...

HWYSTR455 - Zero lash + turn of preload. I followed SD Performance instructions, which was straight forward and easy. Following the firing order with each valve on the heal of the cam. He has...
Forum: Pontiac - Street 07-26-2020, 03:11 PM
Replies: 18
Views: 2,428
Posted By wbnapier
The Melling set is actually made by SA Gear, and...

The Melling set is actually made by SA Gear, and their chain is NOT Morse.

I just received a new set from Paul Spotts (eBay), username fbpaul.

It IS a Morse chain and has a very different...
Forum: 67-69 Firebird TECH 07-08-2020, 12:49 AM
Replies: 24
Views: 4,498
Posted By wbnapier
From my experience, most cast iron is sand cast. ...

From my experience, most cast iron is sand cast.

You can also use 3d scanning/printing to assist and lower the cost of the mold making process.

In casting, hundreds is low volume. It is very...
Forum: 66-67 GTO Tempest & LeMans TECH 05-16-2020, 03:50 PM
Replies: 17
Views: 2,170
Posted By wbnapier
With a fuel pressure regulator set at 3.5psi,...

With a fuel pressure regulator set at 3.5psi, properly set float, quality needle and seat, there should be no particular fire hazard compared to other carbs.

When it is said that tri-powers pose a...
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