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Username Post: 235 powerglide distributor        (Topic#366020)
greenock 
Newbie
Posts: 20

Loc: New Zealand
Reg: 11-10-09
08-05-21 12:55 AM - Post#2824526    

Hello,
I’m looking for some information on 235 distributors. I’m pulling the engine and powerglide soon to do a few small jobs and some detailing before refitting.
My engine is now 252 cubic inches, balanced, high lift camshaft from a 54 powerglide, cleaned ports and inlet manifold, raised compression, standard Rochester carburettor and exhaust system.
I run the car on 91 octane fuel, and have also advanced the timing. Gene recommended a 55 -56 powerglide carburettor (I’m still looking for one if anyone has one).
I’m not sure what the distributor is, it works well, but what would be the best mechanical and vacuum advances be for this engine? I need to get a new vacuum advance, but may need to look at getting another distributor as well, any Ideas?
Many Thanks,
Ian.


1932 Special Sedan
1952 Bel Air powerglide
1958 Impala Convertible
Greenock- circa 1854 - New Zealand's oldest American house.
Greenock Garden, Karaka, Auckland.


 


alltak 
"13th Year" Silver Supporting Member
Posts: 309
alltak
Loc: dallas texas
Reg: 10-04-04
08-06-21 07:39 AM - Post#2824631    
    In response to greenock

Ian

My engine is close to what you have. I installed Langdon's HEI system and it appears to work really well. I have not driven the car yet, so I can not comment on drivability.

The distributor is a reworked S-10 and a F*rd round coil. The coil wiring is pretty hokey so you will probably need to rework that, or go with the GM square coil, or aftermarket that has threaded posts.

Terry




 
drtyler 
"7th Year" Gold Supporting Member
Posts: 621
drtyler
Loc: Georgia
Reg: 05-06-10
08-08-21 12:12 PM - Post#2824740    
    In response to alltak

I have been using Langdon’s Mini HEI as well. Its been fine. What I don’t know is how appropriate the advance curve is for your engine. If interested, give Langdon’s a call and discuss it with them. If you get Tom, I think he’ll know for sure.



 
52HardTop 
Frequent Contributor
Posts: 1703

Age: 67
Loc: North Haven, Connecticut
Reg: 05-09-04
08-08-21 01:13 PM - Post#2824743    
    In response to greenock

Third time is the charm! I'm using Langdons Mini HEI also. It is one of the best updates I've ever done on my 52. It's been running fine for years. When the fuel is up in the carbs, she will fire off in an instant and has never given me any trouble. I'm curious, though, are you wired for 12 volts?

2011 Camaro SS 426 HP, Red Jewel Tint. Killer!

52 Bel Air a traditional 50s Ride.

51 Convertible a 60s Ride.

51 1/2 Ton pickup soon to be a little of both..



 
greenock 
Newbie
Posts: 20

Loc: New Zealand
Reg: 11-10-09
08-08-21 10:11 PM - Post#2824765    
    In response to 52HardTop

Thank you all for the reply's, but I want the car to look one hundred percent original, so will be using the correct distributor, it has always been totally reliable and quick to start.
I understand there were changes with the vacuum and mechanical advances over the life of the 235.
I was running a twelve volt system, but will put it back to six volt, it will be easier to have original radio, electric clock, heater etc.
Many Thanks,
Ian.

1932 Special Sedan
1952 Bel Air powerglide
1958 Impala Convertible
Greenock- circa 1854 - New Zealand's oldest American house.
Greenock Garden, Karaka, Auckland.


 
drtyler 
"7th Year" Gold Supporting Member
Posts: 621
drtyler
Loc: Georgia
Reg: 05-06-10
08-10-21 05:58 AM - Post#2824867    
    In response to greenock

Since you are using a 54 cam, a 54 distributor might be the best option. That may be what is installed now. Is there any way to see the numbers on the distributor to verify?

Here is the contact info for a fellow that does an excellent job with distributor rebuilds. His primary focus are those for British cars, but he can work on any of them. He can also adjust the advance curves as needed. If you talk to him about what you are looking for, I suspect he can help you get the proper curve for your engine and mods.
Jeff Schlemmer
Advanced Distributors
jeff at advanceddistributors.com
(612)-804-5543

If I had known you wanted to convert back to 6V, I would not have suggested using the mini HEI distributor earlier. However, it really is a good upgrade if your car is at 12V and you don't mind the later look.

Also, you should make sure the distributor you use matches the cam (material - steel vs cast iron). Here's a link to show the difference:
http://www.langdonsstovebolt.com/tech/camshaft-cas...

Good luck, and please let us know how it turns out.




Edited by drtyler on 08-10-21 06:07 AM. Reason for edit: No reason given.

 
greenock 
Newbie
Posts: 20

Loc: New Zealand
Reg: 11-10-09
08-11-21 01:10 AM - Post#2824915    
    In response to drtyler

Hello drtyler,
Thanks for the information,
I'm old school and have to have everything looking correct, the only thing you would notice out of place is the 53 power steering unit I fitted a few years ago, along with radial tyres and a one inch front sway bar, makes a totaly different car to drive.
I have overhauled the distributor, as far as I know it was correct for the 54 powerglide engine I brought as a doner.
I was looking for someone to advise what the best advance (vacuum and mechanical) for an engine with these modifications.
It has the correct gear,
Many thanks,
Ian.

1932 Special Sedan
1952 Bel Air powerglide
1958 Impala Convertible
Greenock- circa 1854 - New Zealand's oldest American house.
Greenock Garden, Karaka, Auckland.


 


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