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Search took 0.10 seconds. Search: Posts Made By: Dick Boneske
Forum: Tri-Power Tech 09-11-2024, 01:07 PM
Replies: 8
Views: 1,055
Posted By Dick Boneske
Jeremy was kind enough to send the carbs to me...

Jeremy was kind enough to send the carbs to me for evaluation. I have disassembled these carbs. Jon is correct--the center carb is an Old's Rochester 2G. The front carb is a correct '64 thru '66...
Forum: 64-65 GTO Tempest & LeMans TECH 09-10-2024, 07:50 PM
Replies: 5
Views: 401
Posted By Dick Boneske
So, why not drain the oil and remove the filter?...

So, why not drain the oil and remove the filter? Put six quarts of oil in the engine. Run the engine to fill the filter and oil passages.

Pull the dipstick and note where the oil level is. If it...
Forum: 64-65 GTO Tempest & LeMans TECH 09-06-2024, 12:42 PM
Replies: 2
Views: 141
Posted By Dick Boneske
I have some original used Palnuts. Call or text...

I have some original used Palnuts. Call or text 920-450-1040, and we can arrange shipping.
Forum: Tri-Power Tech 08-26-2024, 02:59 PM
Replies: 3
Views: 379
Posted By Dick Boneske
I agree. If you do mask those areas, rust is...

I agree. If you do mask those areas, rust is going to attack. I have never had a problem with paint on the mounting surfaces.
Forum: Tri-Power Tech 08-26-2024, 02:58 PM
Replies: 8
Views: 1,055
Posted By Dick Boneske
Front carb looks ok. The rear carb is toast,...

Front carb looks ok. The rear carb is toast, except for the base. Center carb may be OK, but the airhorn web may be warped. That can be fixed if it's not broken.

I'm confident all the bases are...
Forum: Tri-Power Tech 08-17-2024, 09:09 PM
Replies: 3
Views: 462
Posted By Dick Boneske
Source of the filters is not known, but I will...

Source of the filters is not known, but I will figure out which ones cause the problem.
Forum: Tri-Power Tech 08-15-2024, 11:53 PM
Replies: 3
Views: 462
Posted By Dick Boneske
Myserious Bog

A friend in Green Bay, WI has a '64 Tri-Power GTO with a stock 389. It's a 4 speed car.

He called me this week with a story that is hard to believe, but he is ready to show me in person--he's...
Forum: 64-65 GTO Tempest & LeMans TECH 07-23-2024, 01:14 PM
Replies: 4
Views: 552
Posted By Dick Boneske
I agree. Set the hydraulic lifters with the...

I agree. Set the hydraulic lifters with the engine running.

Very simple--adust the rocker nut until you hear clicking from that valve, then adjust the nut about 1/2 to 3/4 turn beyond where the...
Forum: Tri-Power Tech 07-23-2024, 01:09 PM
Replies: 4
Views: 588
Posted By Dick Boneske
Tri-Power setups obviously have three...

Tri-Power setups obviously have three needle/seats. Quadrajets have one. Holley's have two.

At full throttle, isn't it logical that the three fuel inlets allow more flow than any single carb? I...
Forum: Tri-Power Tech 07-19-2024, 01:19 PM
Replies: 1
Views: 315
Posted By Dick Boneske
With that cam, it is necessary to have holes in...

With that cam, it is necessary to have holes in the center carb throttle plates. That allows the idle stop to adjust the throttle blade opening so the idle circuit functions properly. I have never...
Forum: 64-65 GTO Tempest & LeMans TECH 07-13-2024, 05:09 PM
Replies: 2
Views: 415
Posted By Dick Boneske
I set all of them to the lowestr tension hole...

I set all of them to the lowestr tension hole (the front hole). If your throttle sticks, there are other problems that need to be addressed. Driving a Tri-Power or four barrel car with too much...
Forum: Tri-Power Tech 07-13-2024, 04:54 PM
Replies: 17
Views: 662
Posted By Dick Boneske
As has been stated, someone put the wrong check...

As has been stated, someone put the wrong check ball in the accelerator pump well. I have removed dozens of them using a method I posted a few years ago on this forum. Kenth described it, but you...
Forum: Tri-Power Tech 06-27-2024, 09:51 AM
Replies: 10
Views: 1,215
Posted By Dick Boneske
The OP noted his engine will have a hydraulic...

The OP noted his engine will have a hydraulic roller cam and 459 cubic inches. He's aiming for 500 hp, which means the cam will be fairly radical.

I've restored Tri-Powers on many Pontiac engines....
Forum: 64-65 GTO Tempest & LeMans TECH 06-25-2024, 02:17 PM
Replies: 3
Views: 858
Posted By Dick Boneske
Interesting car. I really like the silver and...

Interesting car. I really like the silver and black exterior combo on a '64.
Forum: Tri-Power Tech 06-25-2024, 02:15 PM
Replies: 10
Views: 1,215
Posted By Dick Boneske
If your Tri-Power ran well with the 400 engine,...

If your Tri-Power ran well with the 400 engine, but you're going to 459 cubic inches and a healthy hydraulic roller, the carbs need to be calibrated to work with that combo. If you provide cam specs,...
Forum: 64-65 GTO Tempest & LeMans TECH 06-09-2024, 03:23 PM
Replies: 5
Views: 533
Posted By Dick Boneske
I also found out that there are differeces...

I also found out that there are differeces between the '64 and '65.
Forum: 64-65 GTO Tempest & LeMans TECH 06-09-2024, 12:43 PM
Replies: 5
Views: 533
Posted By Dick Boneske
I don't think there is a source. When I...

I don't think there is a source.

When I restored my '64 post car, I tried several vendors, including salvage yards with no success. I ended up using the original channels, which had very bad...
Forum: Members Helping Members 06-04-2024, 11:48 AM
Replies: 5
Views: 559
Posted By Dick Boneske
Good to hear. I have done carbs for about six 421...

Good to hear. I have done carbs for about six 421 HO's through the years. So far, so good!
Forum: Members Helping Members 06-04-2024, 12:03 AM
Replies: 5
Views: 559
Posted By Dick Boneske
Thanks, b-man for the info. I have the...

Thanks, b-man for the info.

I have the rebuild complete except for the pump spring. The carbs turned out well, using the NAPA rebuild kits, but, as with many kits today, the accelerator pumps are...
Forum: Members Helping Members 06-03-2024, 04:23 PM
Replies: 5
Views: 559
Posted By Dick Boneske
Non Pontiac (Corvair) Carb Part Needed

I foolishly agreed to rebuild a pair of 1964 Corvair one barrel carbs. The NAPA kits contain accelerator pumps, but without springs and retainers. One of the pumps in the two carbs is missing the...
Forum: Tri-Power Tech 06-01-2024, 12:06 PM
Replies: 3
Views: 991
Posted By Dick Boneske
The Tri-Power center carb body on the 389 vs. 421...

The Tri-Power center carb body on the 389 vs. 421 is identical. The differences are in the venturi cluster (idle tubes, Idle bypass restrictors, and idle vents), power valve spring pressure, and...
Forum: Tri-Power Tech 05-27-2024, 11:56 AM
Replies: 23
Views: 3,093
Posted By Dick Boneske
I can only tell you what my experience has been...

I can only tell you what my experience has been with floats. I have heard stories like yours about bad nitrile floats, but never have experienced it.

As I said, I have experienced many leaky...
Forum: Tri-Power Tech 05-26-2024, 05:32 PM
Replies: 23
Views: 3,093
Posted By Dick Boneske
My point is--I've never had a problem with...

My point is--I've never had a problem with nitrile floats. I have seen dozens of failures of brass floats. Maybe this one cost-saving idea actually improved Rochester carbs?
Forum: 64-65 GTO Tempest & LeMans TECH 05-23-2024, 12:37 PM
Replies: 7
Views: 854
Posted By Dick Boneske
We always aimed for 12 degrees initial and about...

We always aimed for 12 degrees initial and about 34 degrees all in by 2500 rpm. That should work for your 421. If you want better fuel economy, adding vacuum advance will help, but be careful. The...
Forum: Tri-Power Tech 05-21-2024, 04:13 PM
Replies: 23
Views: 3,093
Posted By Dick Boneske
We're ignoring the most common problem today with...

We're ignoring the most common problem today with Tri-Powers--excessive fuel pressure. Fuel pumps for our Pontiacs, including those branded AC, those from Ames, and nearly all from auto parts...
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