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Forum: 70-72 GTO Tempest & LeMans TECH 02-12-2014, 12:52 AM
Replies: 2
Views: 353
Posted By jnprop
Thanks. Will do.

Thanks. Will do.
Forum: 70-72 GTO Tempest & LeMans TECH 02-11-2014, 01:27 PM
Replies: 2
Views: 353
Posted By jnprop
Recommendations for a 200-4r Trans rebuild kit

I have a 1970 Pontiac LeMans. It has a 455 engine from a ’75 Trans Am and a 3:55 Posi Rear from a 1968 Chevelle. I swapped out the TH350 trans for a 200-4r that I bought off of Craigslist. It’s a CZF...
Forum: 70-72 GTO Tempest & LeMans TECH 09-30-2013, 07:20 PM
Replies: 2
Views: 247
Posted By jnprop
Thanks for the help!

Thanks for the help!
Forum: 70-72 GTO Tempest & LeMans TECH 09-29-2013, 03:40 PM
Replies: 2
Views: 247
Posted By jnprop
kick down cable re-install??

I have to re-install the detent or kick down cable in my 1970 LeMans. It runs from the TH350 to the gas pedal. Is there a proper way to adjust it?

Thanks,
Jeff
Forum: 70-72 GTO Tempest & LeMans TECH 05-28-2013, 05:17 PM
Replies: 0
Views: 89
Posted By jnprop
200-4r re-built, but ready to swap? I Need advice

Hi all,

I have a 1970 LeMans with a 455 out of a 1975 Trans Am, a Holly 750 cfm carburetor and TH350. I'm going to swap out the TH350 trans for a 200-4r.
I don't race the car. My objective is to...
Forum: 70-72 GTO Tempest & LeMans TECH 09-21-2011, 02:58 PM
Replies: 2
Views: 262
Posted By jnprop
Question TH350 Transmission front seal leaking

I have a 1970 Pontiac LeMans with a 455 mated to a TH350. There appears to be a leak in the front oil seal of the transmission. I realize that I have to drop the trans in order to replace the seal,...
Forum: 70-72 GTO Tempest & LeMans TECH 09-09-2009, 06:54 PM
Replies: 2
Views: 267
Posted By jnprop
Question Power Steering leak question

I have a ’70 LeMans. It developed a leak in the Power Steering unit. So I cleaned the outside of the Power steering box and pump. Jacked it up. Filled it with fluid. Ran it, and turn the wheel back...
Forum: 70-72 GTO Tempest & LeMans TECH 08-21-2009, 03:17 PM
Replies: 2
Views: 185
Posted By jnprop
Thanks for the input. I found the problem-- a...

Thanks for the input. I found the problem-- a wire came loose and came away from the plug.
Forum: 70-72 GTO Tempest & LeMans TECH 08-21-2009, 02:08 PM
Replies: 2
Views: 185
Posted By jnprop
Question Getting shocked by HEI distributor!

I was in the process of adjusting the timing on my 1970 LeMans. I have a 455 with a 350 Turbo automatic. I was off a tooth when I put the HEI distributor in. So, I took it out to moved it by one...
Forum: 70-72 GTO Tempest & LeMans TECH 07-04-2009, 09:48 PM
Replies: 2
Views: 196
Posted By jnprop
Transmission change?

I have a 1970 LeMans with a 455 engine, 350 Turbo automatic trans and an open drive (no posi). The trans is giving me problems, and I’m considering a new transmission. I’m leaning towards a 700R. Can...
Forum: 70-72 GTO Tempest & LeMans TECH 06-14-2009, 12:00 AM
Replies: 4
Views: 126
Posted By jnprop
Yes. Both wheels were up in the and the trans was...

Yes. Both wheels were up in the and the trans was in neutral. I notice that they were very hard to turn when adjusting new brakes, and it wasn't as if the shoes were too far out and pushing against...
Forum: 70-72 GTO Tempest & LeMans TECH 06-13-2009, 04:11 PM
Replies: 4
Views: 126
Posted By jnprop
Rearend trouble?

I have a 1970 LeMans with a 455/Turbo 350 automatic trans with an open drive (not Posi). I think that it runs kind of sluggish and I may have a problem with the rearend. I’m in the process of...
Forum: 70-72 GTO Tempest & LeMans TECH 04-05-2009, 09:14 PM
Replies: 2
Views: 136
Posted By jnprop
Front gas tank vent hose replacement?

The front gas tank vent hose (on the passenger’s, front of the tank) on my 1970 LeMans cracked and because my tank was full, it leaked quite a bit of gasoline. I pulled the old hose out and put a new...
Forum: 70-72 GTO Tempest & LeMans TECH 10-28-2008, 09:21 PM
Replies: 1
Views: 287
Posted By jnprop
Rear Axle Identification

I’m trying to find out what type of rear end is in my car. It’s a 1970 LeMans, but I believe the rear was changed. It has the 12 bolt cover with the scallop, so I believe it’s a Type “C” standard...
Forum: 70-72 GTO Tempest & LeMans TECH 03-23-2008, 11:13 AM
Replies: 2
Views: 152
Posted By jnprop
The yellow is for the power and the gray is for...

The yellow is for the power and the gray is for the lights. They originally were together in one harness. so it would seem that your on the right track.
Good luck with the radio,

JP
Forum: 70-72 GTO Tempest & LeMans TECH 01-24-2008, 10:17 AM
Replies: 5
Views: 746
Posted By jnprop
column conversion

My car has bench seats, so I will be changing to buckets. I purchased a used console and will be dying it black. My intention was to keep the same column, but take off the shift lever and grind...
Forum: 70-72 GTO Tempest & LeMans TECH 01-23-2008, 09:27 PM
Replies: 5
Views: 746
Posted By jnprop
Question Column to floor shift conversion

I have a 1970 Pontiac LeMans and plan to convert the automatic column shift to floor. I intend to install it in a console as well. I have gone through previous threads on the subject and it was...
Forum: The Body Shop TECH 08-24-2007, 06:08 PM
Replies: 5
Views: 496
Posted By jnprop
I never knew that. I've worked on forties and...

I never knew that. I've worked on forties and fifties cars and there was a small amount of lead used on the seams, but I was really surprised at the amount of plastic used in 69-70 and the lack of...
Forum: The Body Shop TECH 08-21-2007, 09:40 PM
Replies: 5
Views: 496
Posted By jnprop
Question Was body filler ever used at the factory?

This may sound stupid, but was body filler ever part of the production process for building cars in 69-70? The reason that I ask is; I have been stripping the paint off my 1970 LeMans. I took the...
Forum: The Body Shop TECH 08-01-2007, 10:50 PM
Replies: 5
Views: 389
Posted By jnprop
r, You're right about the translation. This...

r,

You're right about the translation. This panel will require alot of finesse. I guess I should consider it just a good start. I'll take my time as you suggest. Pictures on your website would be...
Forum: The Body Shop TECH 08-01-2007, 09:05 PM
Replies: 5
Views: 389
Posted By jnprop
Question Aftermarket panel challenge

I’m working a 1970 GTO restoration. I recently purchased an aftermarket panel that fits between the rear window and the deck lid. In the catalog the description says “very Good” fit, but that’s an...
Forum: Suspension TECH 07-21-2007, 09:29 AM
Replies: 6
Views: 226
Posted By jnprop
Does sound like the same problem. Does it feel...

Does sound like the same problem. Does it feel like it's sticking or grabbing?

I intend to rebuild the rear suspension and brakes over the winter. Then, hopefully I'll be able to isolate...
Forum: Suspension TECH 07-19-2007, 08:56 AM
Replies: 6
Views: 226
Posted By jnprop
It's a Posi rearend.

It's a Posi rearend.
Forum: Suspension TECH 07-18-2007, 08:59 PM
Replies: 6
Views: 226
Posted By jnprop
Question Problem coming from the rear?

I’m in the process of restoring a 1970 GTO. I’ve rebuilt everything from the firewall forward; including new suspension, new brakes, wiring harnesses, engine compartment –the whole deal. I have not...
Forum: 70-72 GTO Tempest & LeMans TECH 06-04-2007, 09:21 PM
Replies: 3
Views: 219
Posted By jnprop
Thanks for the help. I have them all messed up.

Thanks for the help. I have them all messed up.
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