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Forum: 66-67 GTO Tempest & LeMans TECH Yesterday, 09:17 PM
Replies: 31
Views: 794
Posted By grivera
Do any other 64-66 GM A-body steering shafts fit...

Do any other 64-66 GM A-body steering shafts fit the 66 Lemans?
Forum: Pontiac - Street Yesterday, 03:01 PM
Replies: 29
Views: 601
Posted By grivera
It’s a dying art by me - just finding a shop to...

It’s a dying art by me - just finding a shop to flush the radiator was difficult and cost $85. The same shop wanted $175 to re-core a heater core for same car. If my plan doesn’t work I’ll get an...
Forum: Pontiac - Street Yesterday, 01:27 PM
Replies: 29
Views: 601
Posted By grivera
The current radiator leaves very little space...

The current radiator leaves very little space between the edge of the radiator shroud and the bottom radiator hose - very tight fit for the hose clamp. That’s part of my concern.
Forum: Pontiac - Street Yesterday, 11:33 AM
Replies: 29
Views: 601
Posted By grivera
Thanks all - the NPT fittings screw all the way...

Thanks all - the NPT fittings screw all the way in and bottom out on the flare. Permatex makes an RTV specifically for sealing transmissions and supposed to withstand trans fluid. I may use that as...
Forum: Pontiac - Street 06-17-2024, 10:32 PM
Replies: 6
Views: 152
Posted By grivera
the spec is 1/8 to 3/16: ...

the spec is 1/8 to 3/16:

https://hughesperformance.com/wp-content/uploads/2017/02/Hughes-torque-converter-installation-instructions.pdf
Forum: Pontiac - Street 06-17-2024, 09:38 AM
Replies: 29
Views: 601
Posted By grivera
Thanks Mike - I bought factory replacement lines...

Thanks Mike - I bought factory replacement lines from Inline Tube. I know the threads were ruined by the prior owner installing the NPT fittings- total jackass move on his part. I also realize the...
Forum: Pontiac - Street 06-16-2024, 08:06 PM
Replies: 6
Views: 152
Posted By grivera
If you can’t fit a 1/8” drill bit between the...

If you can’t fit a 1/8” drill bit between the other two lugs and the flex plate, you risk damaging the thrust bearing.
Forum: Pontiac - Street 06-16-2024, 05:59 PM
Replies: 29
Views: 601
Posted By grivera
Should I seal the NPT threads with Teflon tape or...

Should I seal the NPT threads with Teflon tape or RTV?
Forum: Pontiac - Street 06-16-2024, 03:36 PM
Replies: 29
Views: 601
Posted By grivera
I’m committed for the moment as the trans lines...

I’m committed for the moment as the trans lines are brand new. If I can find 1/4 NPT (male) to 1/2 x 20 inverted flare (female) I will use teflon tape and put those in. Hard to find though at a...
Forum: Pontiac - Street 06-16-2024, 12:47 PM
Replies: 29
Views: 601
Posted By grivera
I chased the threads this morning and the tool...

I chased the threads this morning and the tool fits a little loose in the threads. Haven’t retried torquing down the line fittings again.
Forum: Pontiac - Street 06-16-2024, 11:12 AM
Replies: 29
Views: 601
Posted By grivera
Yes the line fitting are straight threads and...

Yes the line fitting are straight threads and they were ruined by the NPT adapter I posted. It gets tight pretty quickly when I thread it in. Since it was previously in this space and is what ruined...
Forum: Pontiac - Street 06-16-2024, 10:29 AM
Replies: 29
Views: 601
Posted By grivera
Agreed- the local shop charged me $85 just to...

Agreed- the local shop charged me $85 just to pressure test and clean the radiator - and did a poor job at cleaning it - can’t imagine what they’d charge to replace the fittings.

I found the...
Forum: Pontiac - Street 06-15-2024, 11:43 PM
Replies: 29
Views: 601
Posted By grivera
Thanks- I have a thread chaser set but that still...

Thanks- I have a thread chaser set but that still leaves the damn inverted flare!!



Will give that a shot - thanks for the tip!
Forum: Pontiac - Street 06-15-2024, 11:13 PM
Replies: 29
Views: 601
Posted By grivera
Thanks- I have a thread chaser set but that still...

Thanks- I have a thread chaser set but that still leaves the damn inverted flare!!



Will give that a shot - thanks for the tip! Something like this but need to learn the TPI
...
Forum: Pontiac - Street 06-15-2024, 10:05 PM
Replies: 29
Views: 601
Posted By grivera
Radiator Trans Cooler Threaded Inserts Ruined

So I started up the 69 Lemans today- engine runs great for the short time I ran it. When I acquired the car, it had braided lines from trans to the radiator cooler, and fittings in the cooler side...
Forum: 68-69 GTO Tempest & LeMans TECH 06-15-2024, 07:14 AM
Replies: 5
Views: 132
Posted By grivera
It does have an external regulator on firewall- I...

It does have an external regulator on firewall- I acquired the car last July and everything was connected this way - including the external regulator on firewall. The alternator is a power master -if...
Forum: Pontiac - Street 06-14-2024, 10:57 AM
Replies: 19
Views: 519
Posted By grivera
I’m looking at these as well - and the included...

I’m looking at these as well - and the included melonized gear saves $125 you’d have to pay for the BOP gear. Any info on failure rate ?
Forum: 68-69 GTO Tempest & LeMans TECH 06-14-2024, 07:31 AM
Replies: 5
Views: 132
Posted By grivera
Great - thank you - will this style alternator...

Great - thank you - will this style alternator work ok with an external regulator? Also, re: the alternator wires, does it matter which wire goes on which prong?
Forum: 66-67 GTO Tempest & LeMans TECH 06-13-2024, 08:45 PM
Replies: 6
Views: 230
Posted By grivera
My 66 Lemans has a 66 Chevelle 12 bolt posi with...

My 66 Lemans has a 66 Chevelle 12 bolt posi with aftermarket disc brakes - how wide would that rear have been with drum brakes at the wheel mounting surface?
Forum: 68-69 GTO Tempest & LeMans TECH 06-13-2024, 08:19 PM
Replies: 5
Views: 132
Posted By grivera
Temperature Sending Unit Wire -69 Lemans

When I acquired my 69 Lemans, it had after market gauges that had their own harness. Not sure what became of the factory temperature wire. Also, the car has a regulator on the firewall. There were...
Forum: Pontiac - Street 06-12-2024, 09:26 PM
Replies: 38
Views: 1,763
Posted By grivera
Maybe a long shot but did installer forget to put...

Maybe a long shot but did installer forget to put anaerobic sealer between rear main and block?
Forum: Pontiac - Street 06-09-2024, 07:16 PM
Replies: 10
Views: 664
Posted By grivera
How many hours/miles on the build? Pushrods not...

How many hours/miles on the build? Pushrods not spinning is a death sentence for that cam…
Forum: Pontiac - Street 06-07-2024, 11:06 PM
Replies: 40
Views: 2,472
Posted By grivera
Sounds like a solid plan- is 10.35 compression...

Sounds like a solid plan- is 10.35 compression enough for the 242/248 cam?
Forum: Pontiac - Street 06-06-2024, 02:15 PM
Replies: 9
Views: 265
Posted By grivera
Thank you - very informative and confirms the...

Thank you - very informative and confirms the base controls the angle in many cases. I will look into further.



From what I can tell, yes. The passenger side mirror looks different to me in...
Forum: 66-67 GTO Tempest & LeMans TECH 06-05-2024, 01:49 PM
Replies: 6
Views: 375
Posted By grivera
I’ll be in the same boat soon - thinking about...

I’ll be in the same boat soon - thinking about buying this wheel/tire measurement tool:

https://claytonramstead.com/products/wheel-fitment-tool
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