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Username Post: 66, 327 wont start after a trip of 20 miles or so        (Topic#356500)
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-20-19 09:48 AM - Post#2766799    

I am running a 66, 327 engine in my 52 Chevy Coupe! Runs strong, but after a 20 mile trip or so , temperature at about 180 heat when I turn the engine off, it won't won't restart till it sits for a half hour or so! I have re-routed the fuel line and insulated it thinking I was creating vapor lock!I have adjusted the carb and timing to no avail!! Anybody have any suggestions?

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
Ecklers AutoMotive
6T5 
"2nd Year Gold Supporting Member
Posts: 204
6T5
Age: 67
Loc: Asheville, NC
Reg: 07-22-17
05-20-19 10:30 AM - Post#2766807    
    In response to coachfrank

Could be a few things but first what carburetor and intake manifold do you have.

...Ed

1965 Impala SS


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-20-19 10:57 AM - Post#2766809    
    In response to 6T5

Edelbrock 650, and a performer RPM manifold

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
japete92 
"5th Year" Silver Supporting Member
Posts: 1240
japete92
Loc: No. Virginia
Reg: 01-18-13
05-20-19 11:40 AM - Post#2766811    
    In response to coachfrank

Does it 'slow crank'?

Crank properly but just won't start?

I had a 'slow crank' problem that would show itself after the car was run for about 1/2 hour; 'cold' everything was fine. It improved with retarding the timing a little but did not go away until I replaced the negative battery cable.

Just a possibility.

Pete





 
Oshawa65SS 
Contributor
Posts: 908

Age: 59
Loc: Burnaby BC Canada
Reg: 09-22-14
05-20-19 11:59 AM - Post#2766812    
    In response to coachfrank

Could be related to the carb experiencing high temps in which case a bakelite spacer would help
It worked for me on my 69 mustang with aluminum intake and Holley carb
Easier hot starts once the edelbrock 1” aluminum spacer was replaced with a genuine 428CJ bakelite spacer measuring just over 1/4” thick


Ryan

65 Impala SS convertible 283 2V with Powerglide and 10 bolt 3.08 open
Build date Dec. 21 '64 Oshawa


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-20-19 03:01 PM - Post#2766816    
    In response to Oshawa65SS

No on the slow crank, cranking sounds fine!Tried a bakelite spacer! Still doing the same thing!!I am at my wits end! Even thinking my heavy OTB air cleaner may be holding heat in!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
chopr1 
Silver Supporting Member
Posts: 18
chopr1
Age: 72
Reg: 01-11-19
05-20-19 07:41 PM - Post#2766829    
    In response to coachfrank

Just a old mans 2 cents. If you got fuel & spark it should fire (right). May squirt a shot of fuel in the carb. that will take care of the fuel. If it doesn't fire, could be electrical getting hot some where. Just throwing some things out. Been there on these frustrating little glitches, and it usually turns out to be something minute! Good luck!



 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-20-19 08:03 PM - Post#2766830    
    In response to chopr1

Thanks Chopr1 ! Yep, been there before, I know I will eventually find the problem, just gets a little frustrating sometimes!!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
pauldian 
Contributor
Posts: 280
pauldian
Loc: seligman,arizona
Reg: 05-14-09
05-20-19 08:50 PM - Post#2766831    
    In response to coachfrank

Had the same problem on one of my cars, did everything to no avail. Mine was vapor locking the same as I think yours might be doing. E-10 gas has a much lower boiling point than leaded gas. Anyway I installed a electric fuel pump and haven't had any trouble for the past 4 years. Might be the problem might not ?




 
brasii 
Contributor
Posts: 170

Loc: FRANCE
Reg: 11-09-07
05-21-19 05:32 AM - Post#2766834    
    In response to coachfrank

Have you HEI ? I 'd the same problem : when engine hot , problem to restart ..and 20 min. after , no problem : it was the HEI module

impala 66 convertible


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-21-19 06:13 AM - Post#2766837    
    In response to brasii

Yep, I have an HEI, Thought about pulling it. My son suggested going EFI with the Holley Sniper Kit! Might try the electric fuel pump! Thanks everybody for your suggestions!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


Edited by coachfrank on 05-21-19 06:35 AM. Reason for edit: No reason given.

 
6T5 
"2nd Year Gold Supporting Member
Posts: 204
6T5
Age: 67
Loc: Asheville, NC
Reg: 07-22-17
05-21-19 09:10 AM - Post#2766848    
    In response to coachfrank

Just as coachfrank mentioned I also had a module go bad. Replaced and all was good. One other thing have you looked down the carb after cutting off to verify there's no fuel dripping down? Just throwing some ideas out. Be sure to let us know what fixes it...

...Ed

1965 Impala SS


 
Johnny468 
"12th Year" Silver Supporting Member
Posts: 796
Johnny468
Loc: Richmond, Va.
Reg: 10-24-08
05-21-19 11:15 AM - Post#2766855    
    In response to coachfrank

Could also be a short in the HEI coil that doesn't act up until it gets hot.

Johnny

1965 Impala SS
505/4-speed/3.90


 
kwhizz 
"11th Year" Gold Supporting Member
Posts: 1163
kwhizz
Loc: Wisconsin
Reg: 01-01-07
05-21-19 01:28 PM - Post#2766866    
    In response to Johnny468

Did you bypass the resistor wire???



 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-21-19 01:47 PM - Post#2766870    
    In response to kwhizz

Not yet, that's what I was going to try next!!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
66SS632 
"3rd Year" Silver Supporting Member
Posts: 396
66SS632
Loc: Langley BC
Reg: 02-09-13
05-21-19 01:53 PM - Post#2766871    
    In response to coachfrank


Is it an aftermarket HEI unit or stock GM?
Aftermarket Chinese made knock offs are CRAP !! They always fail. Electronics are garbage and the shafts are always problematic.
Engine shops that get crate engines with cheap distributors rip them out first thing.
As has been suggested the module is likely your problem.
Get a good one.
Also make sure getting 12 volts sourced from ignitionand not resistor wire.





Still a 17 year old delinquent Hot Rodder


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-21-19 06:16 PM - Post#2766893    
    In response to 66SS632

Pulled the module, 4 prong, tonight, will get a new one tomorrow

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
brasii 
Contributor
Posts: 170

Loc: FRANCE
Reg: 11-09-07
05-22-19 05:45 AM - Post#2766916    
    In response to coachfrank

and obviously good layer of grease under the module : it doesn't like warm..

impala 66 convertible


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-22-19 06:10 AM - Post#2766918    
    In response to brasii

Yes, there was a good layer of grease under it! Do I need to grease it or not? My first time getting inside an HEI!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
aghaga 
"4th Year" Silver Supporting Member
Posts: 2219
aghaga
Age: 65
Loc: Altavista, Va.
Reg: 07-05-08
05-22-19 10:15 AM - Post#2766937    
    In response to coachfrank

Make sure you use heatsink/dielectric grease




 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-22-19 10:55 AM - Post#2766941    
    In response to aghaga

Yes on the grease, just picked the part up! Will install later today!!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-22-19 03:19 PM - Post#2766956    
    In response to coachfrank

Ok, First test run with the new module went great! Got the temperature up to 180 degrees, outside temperature 83 plus high humidity! Let it run in the garage for another 15 minutes and shut her off. Started on the first turn! Went down 10 minutes later and she started! So far so good! Will give her a much longer run tomorrow if the rain holds off! Thanks to all for your support!! Coach Frank

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
chopr1 
Silver Supporting Member
Posts: 18
chopr1
Age: 72
Reg: 01-11-19
05-23-19 12:29 PM - Post#2766985    
    In response to coachfrank

Hope this cures it! Now, which HEI is a good replacement for the distributor. I still have the distributor in my 65. Again, I'm am the older generation so am not up on the new stuff. I see them (complete unit) from $100.00 to 400.00. Which one have you guys chosen as a good one. I'm a old 'points' man, but would like to update this part.



 
rick1965 
Poster
Posts: 86

Loc: joliet ill
Reg: 12-07-16
05-24-19 05:39 AM - Post#2767008    
    In response to chopr1

im an old points guy too, but for 90 bucks i decided to try a pertronix breakerless set up for my 65. so far so good. rock solid dwell/timing,and you use the distributor you already have. have heard a couple of horror stories about the magnetic ring, but with proper spacing, shouldnt be a problem. keeping an eye on it from time to time.



 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
05-24-19 07:28 AM - Post#2767011    
    In response to rick1965

I used the pertronix system in our 72 Nova for 5 years and never had any problems!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
tudor65 
Poster
Posts: 13

Reg: 03-07-14
06-03-19 10:36 AM - Post#2767609    
    In response to coachfrank

Sir, I had the same problem with my 65 327. The problem was the mechanical advance in my Hei. distributor was rusty and stuck in the full advance position.I had to remove the distributor and take it apart to get it freed up. I put in new set of springs while it was apart. After that it always cranked up no matter how hot.Good luck.



 
coachfrank 
"4th Year" Silver Supporting Member
Posts: 149
coachfrank
Age: 71
Loc: washington,pa
Reg: 07-20-11
06-10-19 01:29 PM - Post#2768147    
    In response to tudor65

The the replacement of the module in the distributor seems to have worked! But thank you for your input!!

1975 Corvette, Original owner
1953 Chevy 3100 Pickup
1952 Chevy Styleline Coupe
http://sites.google.com/site/bluejaygarage/


 
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