Author Topic: 1968 Pontiac Lemans  (Read 863 times)

737driver

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1968 Pontiac Lemans
« on: March 28, 2023, 10:30:22 PM »
Last October I purchased a 1968 Lemans convertible. I found one that looked really nice so I drove down to Temecula, California ( about 5 hour drive from Las Vegas). This was a second owner car, and was original purchased and owner by the original owner until 2022.
This car had 350 with a QJ carburetor and a 200 4R trans. The car ran well but had a few minor issues. It was a 4 drum brake car, and although mechanically it was okay there were several improvements it needed.

I upgraded the front and rear suspension to the Detroit Speed Engineering package. I used this on my 72 Lemans and loved it.

I put a new brake system disk brakes on the front and upgraded drums on the rear. I also added a new parking brake setup that is electronically activated. The system is from EStopp and I really liked how it works. Essentially it’s a push button setup that replaces the floor mounted parking brake.

I removed the engine to replace the rear main seal. This was my first time doing that on a Pontiac engine. It turned out reall good, hopefully no leaks with the new Viton seal. I cleaned the motor and repainted it. I put a set of RA exhaust manifolds and a new dual exhaust system. I used the exhaust from Waldron exhaust and used the 2.25” GTO style exhaust system. The car originally was a single exhaust . I also used a Sniper EFI in place of the QJ.

I replaced the radiator with a new one from Cold Case . I used one with electric fans and the install was very easy. The radiator mounted with no issues and works quite well.

It had a 200R4 transmission and that had some minor issues. Mainly with the TV cable and how it was installed. I addressed that issue and added a lock up torque converter. I switched the rear axle gears to a 3.73 posi unit. I went with a set of 17” Rally rims in place of the 15” rims.

I changed the heater core and was very happy I did. The old was was a hair breath away from failure.

Right now the car is almost ready for driving, and I still have a few more things to do in the meantime.
Jim

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1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

roadking77

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Re: 1968 Pontiac Lemans
« Reply #1 on: March 29, 2023, 06:01:45 AM »
Beautiful car Jim, Sounds like some nice upgrades as well.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

scarebird

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Re: 1968 Pontiac Lemans
« Reply #2 on: March 29, 2023, 06:57:23 AM »
Jim, can we see more pix and notes concerning your EStopp installation?

Not really seeing much on their website and that box looks huge!  I was mulling something like this with our stuff since my wife's Mazda 3 has an electric parking brake.

76455sd

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Re: 1968 Pontiac Lemans
« Reply #3 on: March 29, 2023, 03:20:40 PM »
Great car.  You have a knack for picking my favorite Pontiacs.
Steve D
'76 LE 455/4speed/solid roof - SOLD
'02 WS6 T/A convertible

737driver

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Re: 1968 Pontiac Lemans
« Reply #4 on: March 30, 2023, 11:20:17 PM »
Jim, can we see more pix and notes concerning your EStopp installation?

Not really seeing much on their website and that box looks huge!  I was mulling something like this with our stuff since my wife's Mazda 3 has an electric parking brake.


I’ll get some pics of it and post them up. I tested the EStopp yesterday and it works really well. I used a set of universal 110” brake cables in place of the stock parking brake cables. Overall it’s a pretty decent setup.
Jim
1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

Re: 1968 Pontiac Lemans
« Reply #4 on: March 30, 2023, 11:20:17 PM »

rkellerjr

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Re: 1968 Pontiac Lemans
« Reply #5 on: March 31, 2023, 05:59:43 AM »
That is a good looking car!

5th T/A

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Re: 1968 Pontiac Lemans
« Reply #6 on: March 31, 2023, 10:56:14 AM »
That is a good looking car!

Why I like this car;
1) it's a convertible.
2) Very original looking, my mom had a hardtop same year and a girlfriend did too. So there is the nostalgic aspect, these were great cars.
3) Don't get mad at me, but there are a lot of GTO's and TA's out there and not a lot of Formula's or Lemans. It's nice to see something just a little different.
4) Jim's workmanship speaks for itself!
1980 T/A with a Pontiac 461

Gone but not forgotten;
1973 T/A 455
1975 T/A 400
1978 T/A W72
1982 T/A cross fire injected

Two wheel toys;
2014 Harley Ultra Classic Limited
2013 Honda CB1100
2010 Yamaha Vmax
1982 Yamaha Seca 750

737driver

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Re: 1968 Pontiac Lemans
« Reply #7 on: April 01, 2023, 07:20:32 PM »
Thanks for the compliments! For all the reasons stated above I really like the Lemans. I do love the  GTO and especially the TransAm but I also love the different Pontiac A and F bodies.
Jim
1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

FormTA

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Re: 1968 Pontiac Lemans
« Reply #8 on: April 01, 2023, 08:35:47 PM »


Just to make it easier to see this awesome car. Here you go.




























« Last Edit: April 01, 2023, 08:44:46 PM by FormTA »
79 Trans am low buck LS swapped
79 Formula 301 (Work in progress)
67 RS Camaro (waiting it's turn)
69 Dodge charger on late model charger chassis
49 Ford F1 on a 2003 Chevy ZR2 Chassis (current project)
Names, Luke. If I hear anyone telling me they're my father....

TATurbo

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Re: 1968 Pontiac Lemans
« Reply #9 on: April 02, 2023, 09:20:09 PM »
Man, that is sweet!  I love it!
All I wanted to accomplish on my car this winter was to install a set of coil-overs on the front end.  That hasn't happened yet.  Meanwhile, you're completely done going through this thing...And it's still a little too chilly to drive with the top down in the evening!

Congrats on the new ride...I hope you get a lot of enjoyment out of it this season.
In high school I had a buddy who had a '72 Convertible Lemans.  Jim's was red, but seeing yours still brought a smile to my face.
Enjoy.
Tom
King of Prussia, PA

1981 Turbo Trans-Am
Build thread - http://transamcountry.com/community/index.php?topic=83354.0

737driver

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Re: 1968 Pontiac Lemans
« Reply #10 on: May 09, 2023, 09:33:16 PM »
Jim, can we see more pix and notes concerning your EStopp installation?

Not really seeing much on their website and that box looks huge!  I was mulling something like this with our stuff since my wife's Mazda 3 has an electric parking brake.

Here are some pics of the EStopp.
1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

737driver

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Re: 1968 Pontiac Lemans
« Reply #11 on: May 09, 2023, 09:36:30 PM »
More pics of ESTOPP
1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

scarebird

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Re: 1968 Pontiac Lemans
« Reply #12 on: May 10, 2023, 06:50:13 PM »
Interesting setup.

737driver

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Re: 1968 Pontiac Lemans
« Reply #13 on: May 10, 2023, 08:52:04 PM »
To be honest I really like this setup, mainly because it allows me to to have the kick panel speakers. It does work as advertised and I like it. I made my own mounting support for the bracket to mount it to the frame which may have been overkill but it works very good.
Jim
1979 Trans Am- Heritage Brown -W72 (Pontiac 400) -4Speed-WS6
1972 LeMans Convertible
1977 Trans Am
1972 Firebird
2000 TransAm WS6
1968 Lemans Converible
1979 TransAm Gold WS6 400/4speed
1971 Firebird
1977 MGB  Roadster Convertible

stros

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Re: 1968 Pontiac Lemans
« Reply #14 on: May 11, 2023, 06:23:16 PM »
To be honest I really like this setup, mainly because it allows me to to have the kick panel speakers. It does work as advertised and I like it. I made my own mounting support for the bracket to mount it to the frame which may have been overkill but it works very good.
Jim

Very cool - my parking brake is a bit of a pain to clear my kick panel speakers in my T/A too.
Darryl

'77 black TA Hardtop LS3 / 4L70E swap
Build thread:
http://transamcountry.com/community/index.php?topic=61066

Re: 1968 Pontiac Lemans
« Reply #14 on: May 11, 2023, 06:23:16 PM »