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Forum: 70-73 Firebird & TA TECH 11-17-2021, 07:59 PM
Replies: 48
Views: 2,711
Posted By LPI
here is the PHS from the TWR race car

I believe this car is a 3.73 "COZ" with a Muncie M20. The original rear end is with the vehicle. I only assumed it is/was an M20 car since there is no RPO noting a change to an M21.

Was there...
Forum: 67-81 Firebird & TA Parts FOR SALE 10-13-2021, 05:04 PM
Replies: 2
Views: 324
Posted By LPI
sent you a PM

sent you a PM
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 07-01-2020, 02:06 PM
Replies: 4
Views: 785
Posted By LPI
PM answered and here is the picture of the...

PM answered and here is the picture of the correct factory rubber horn button collar (left) and an old repop on the right. Sorry it was not in the original listing.
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 07-01-2020, 11:37 AM
Replies: 4
Views: 785
Posted By LPI
Wisconsin 53154

Wisconsin 53154
Forum: 61-77 GTO LeMans & Tempests FOR SALE 07-01-2020, 11:35 AM
Replies: 2
Views: 2,334
Posted By LPI
Thanks Tom! Wisconsin 53154, sorry I left...

Thanks Tom!

Wisconsin 53154, sorry I left out the location in the original ad.
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 07-01-2020, 10:21 AM
Replies: 4
Views: 785
Posted By LPI
1964 GTO parts

1964 76XW short block as pictured

Date A34 block casting 9773155

EUN: 216365

$6500 (I have a 1964 Tripower also)

I have a set of NOM heads and exhaust manifolds off this block if you...
Forum: 61-77 GTO LeMans & Tempests FOR SALE 07-01-2020, 10:00 AM
Replies: 2
Views: 2,334
Posted By LPI
1964 GTO two door post coupe - 4 speed

1964 GTO two door post coupe four speed car.

The car runs and drives great, at the moment probably the most fun car to just slide in and fire up and grab some gears like the 80's and 90's!

Car...
Forum: 67-69 Firebird TECH 04-22-2020, 11:40 AM
Replies: 0
Views: 1,037
Posted By LPI
Lance Kramer's 1969 TA

Does anyone know where this car ended up at today?

https://firstgenfirebirds.wordpress.com/2012/06/24/lance-kramers-1969-ram-air-v-trans-am/

Would like to know what the EUN number is on the...
Forum: Pontiac - Race 01-02-2020, 01:00 AM
Replies: 49
Views: 10,225
Posted By LPI
It is great that you guys are taking the time to...

It is great that you guys are taking the time to look into making parts for your own builds as well as possibly bringing more products to the Pontiac market place for a stock block build.

What you...
Forum: Pontiac - Boost 01-01-2020, 10:42 PM
Replies: 61
Views: 16,044
Posted By LPI
Ponjohn "Am interested to learn why the...

Ponjohn

"Am interested to learn why the torque and hp spread is so small?"

I just posted an example of a similar style graph pulled from a google search.

The only reason, to explain that a...
Forum: Performance Parts For Sale/Wanted 12-21-2019, 06:53 PM
Replies: 2
Views: 1,209
Posted By LPI
No Problem Nick, I did see your post. This is a...

No Problem Nick, I did see your post. This is a factory four bolt main block and I would like to put it back to the original condition before I put it up for sale.

Call any time or email if you...
Forum: Pontiac - Boost 12-21-2019, 06:18 PM
Replies: 61
Views: 16,044
Posted By LPI
1969 Firebird W/ 440 Pontiac Vortech YS supercharger

Here is a picture of the completed installation in the customers 1969 Firebird convertible.

It has our hydro boost kit which is compatible with the supercharger as well as our upgraded low rpm...
Forum: Performance Parts For Sale/Wanted 12-19-2019, 11:02 PM
Replies: 2
Views: 1,209
Posted By LPI
WANTED: A set of 3" main Factory 4 bolt main caps

Looking for a set of 68-70 400 (3" main) factory four bolt main caps, will take just the center three or a complete set.

Thank you!

(414) 530-2704

info@luhnperformance.com
Forum: Pontiac - Boost 09-23-2019, 08:57 PM
Replies: 61
Views: 16,044
Posted By LPI
Here is a top view of the position for the...

Here is a top view of the position for the passenger side mount supercharger volute in relationship to the valve cover.
Forum: Pontiac - Boost 09-23-2019, 08:55 PM
Replies: 18
Views: 2,893
Posted By LPI
A large Magnafuel external mount pump, 750 series.

A large Magnafuel external mount pump, 750 series.
Forum: Pontiac - Boost 09-22-2019, 07:05 PM
Replies: 18
Views: 2,893
Posted By LPI
GM Flex Fuel sensor & Russell tube adapter fittings

Here is a picture of a Holley EFI regulator with the attached GM flex fuel sensor.

We used the Russell 644133 tube to AN adapters, worked great. We added a -8 AN gauge port adapter on the return...
Forum: Pontiac - Boost 09-22-2019, 10:36 AM
Replies: 61
Views: 16,044
Posted By LPI
Thanks Charlie for your input, we will get there...

Thanks Charlie for your input, we will get there with another test.

For anyone interested in a graph, here are some pulls graphed with notes below.
Forum: Pontiac - Boost 09-16-2019, 03:05 PM
Replies: 61
Views: 16,044
Posted By LPI
Steve, The only way on the passenger side...

Steve,

The only way on the passenger side would be to either clock the blower up more to clear the valve cover, possible slight interference to the inner fender well.

The other option and not...
Forum: Pontiac - Boost 09-16-2019, 10:37 AM
Replies: 61
Views: 16,044
Posted By LPI
Charlie, The biggest change was the firing...

Charlie,

The biggest change was the firing order.

The original test engine had a 4/7 swap 242/253 with a .373/.380 lobe

The original camshaft had a tighter ICL & LSA 110/114

All of the...
Forum: Pontiac - Boost 09-14-2019, 08:35 PM
Replies: 61
Views: 16,044
Posted By LPI
Scott, You are in luck, round three is the...

Scott,

You are in luck, round three is the same long block with some minor changes.

One of the changes will be a Holley HP system with a single throttle body and port injection. At this time...
Forum: Pontiac - Boost 09-14-2019, 07:14 AM
Replies: 61
Views: 16,044
Posted By LPI
Steve, If the end head bolts are in the...

Steve,

If the end head bolts are in the factory location and the head is just larger then yes the brackets will bolt right up but the volute may hit the valve cover or head.

In the original...
Forum: Pontiac - Boost 09-10-2019, 06:05 AM
Replies: 61
Views: 16,044
Posted By LPI
Thank you Scott and Charlie, sorry if I mislead...

Thank you Scott and Charlie, sorry if I mislead you Charlie on the numbers, we rarely ever go over 14 lbs. of boost with a stock two bolt main block.

I am not sure that most folks understand the...
Forum: Pontiac - Street 09-09-2019, 11:26 PM
Replies: 50
Views: 2,699
Posted By LPI
Progear timing gear sets

This is by far one of the best quality timing chains that many people have never used.

Progear
Forum: Pontiac - Boost 09-09-2019, 10:52 PM
Replies: 61
Views: 16,044
Posted By LPI
It peaked at 749 Ft-lbs at 5700 and it peaked at...

It peaked at 749 Ft-lbs at 5700 and it peaked at 832 Hp at 5900.

The pulls were done at 180 to 195 degree engine water temperature to simulate in car temperatures.

The temperature probe in the...
Forum: Pontiac - Boost 09-09-2019, 10:37 PM
Replies: 33
Views: 5,144
Posted By LPI
URL to Doug's build

Here is the link to Doug's build where he details out his fuel lines.

A very nice car and a very nice guy!

https://www.pro-touring.com/threads/109515-Trans-Am-Pro-Touring-build-almost-done!
Showing results 1 to 25 of 348

 
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