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Troubleshooting Diagnosing problems done here.

 
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post #1 of 8 (permalink) Old May 30th, 01, 01:16 PM Thread Starter
 
Join Date: Sep 2000
Location: fl
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Well guys here it is, 307 out of a 72 camaro placed into a 67 when and where I couldn't tell ya anyway had the car now 15 months pulled engine out placed on a stand complete, and redone the subframe. Now, it starts great I can sit their and throttle it all day, as soon as I try to take it down the road it floods itself, no exceleration and then kills, timing is at 14* BTC, HEI igniton, edlebrock carb. vacum advance is connected. tried adjusting the carb. three ways from sunday no help, even bought a cheap quadrajet no help made it worse all it would do is start up the kill with a big backfire, so I put the edlebrock back on. Need help!!! almost ready to give up.

Russ
(850)769-8095 panama city Fl
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post #2 of 8 (permalink) Old May 30th, 01, 03:37 PM
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Steven
 
Join Date: Jan 2001
Location: Raleigh, NC
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Russ, check your fuel pressure and possibly your fuel lines also. Lines may have gooten crimped or pinched . You don't need as much gas to rev as you do when the engine is under load..
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post #3 of 8 (permalink) Old May 30th, 01, 08:05 PM
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Join Date: Jan 2001
Location: skiatook, ok
Posts: 3,692
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Your not still running the points distributors resistance power wire to power the HEI are you? Make sure you have a full 12 volt power supply at the HEI...if this is the problem no amount of tuning will ever make the car run right.

------------------
375hp 78 Chevy truck
77 Chevy Nova
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and building a 78 Nova
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post #4 of 8 (permalink) Old May 31st, 01, 01:50 AM Thread Starter
 
Join Date: Sep 2000
Location: fl
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fuel line new , tank, pump. doubled checked no crimps. but this 12volt thing to the hei worries me when I put the engine back in I knew I had to get fire to the hei so I ran a wire from the fuse box to the hei, sounds like maybe it should be straight from the battery for the 12volts

Russ
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post #5 of 8 (permalink) Old May 31st, 01, 08:15 PM
 
Join Date: May 2001
Location: montclair Ca. USA
Posts: 6
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On the back of your distributor under the rotor their is a half moon deal it controls your spark at low and high speed. Have it checked at your local auto store . See I had the samething happed to my truck (77 chevy 4x4) it would fire up and run with me reving it but when I hit the road as the rpms went up the truck just spit and sputer and died with a back fire. After spending about 300 dollers it was a 7 dollar part. Check to see if it has a grease substance between it and the distibutor. Because it is supose to. Good luck
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post #6 of 8 (permalink) Old Jun 2nd, 01, 11:29 AM
Leo
 
Join Date: May 2001
Posts: 14
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I think your problem is fuel. If you remove your fuel line at the carb and install a rubber fuel line so you can collect all the fuel coming out of the fuel pump, it should pump a pint in about 30 seconds.just rember that loose fuel can burn so be safe. If your not getting enough fuel output install a seperate fuel line on the pump intake and put it in a fuel can. The engine will idle for a minute or so and you can usally complete these test. Good luck,Leo

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post #7 of 8 (permalink) Old Jun 6th, 01, 12:44 PM
 
Join Date: Apr 2001
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I believe Chuck is onto something here. This sound to me like an ignition issue. I have seen rotors cause this symptom. I have also seen pick up coils on the primary side of the ignition cause this. I have also seen problems with the center post on the distributor do this. Go over your ignition carefully, including your advances. Ray
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post #8 of 8 (permalink) Old Jun 6th, 01, 12:46 PM
 
Join Date: Apr 2001
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Sorry, Rusty, I said Chuck whan I meant you. Many ignition problems appear to be fuel related, and they will eat your lunch. Ray
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