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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2015 Posts: 21 New Guy | | New Guy Joined: Apr 2015 Posts: 21 | I cannot crank this truck. I am going nuts. If I switch the plug wires, it pops and spits like crazy, but when I set them in the correct order, I get nothing. I have replaced the coil, plugs, wires, rotor, cap, points, and even tried ether. I have gone through the timing routine too many times to count now. Every mechanic I know has been here to show me how it is done, and gone home with a sad face. Anyone got any ideas? I think I am going to pull down the road next.
It has a P 7R Tillotson which has a brass handled needle valve that looks out of place. I took the carb down to its components (it was as clean as a new whistle). Fuel pump works (clean it daily). Spark is present, no air restriction, and I had a puddle of gas in the bottom of the intake when I took the carb off.
ARRG!!!
Jim | | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | sounds like you could have some stuck valves
| | | | | Joined: Feb 2004 Posts: 29,825 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,825 | What's the compression pressure? If it's got gas. spark, and compression, it's almost got to be a spark timing issue. Check your private messages.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Apr 2015 Posts: 21 New Guy | | New Guy Joined: Apr 2015 Posts: 21 | It was out of gas. Stupid me. I am so embarrassed.
Jim | | | | | Joined: Jun 2003 Posts: 565 'Bolter | | 'Bolter Joined: Jun 2003 Posts: 565 |
"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."
1957 GMC 150
| | | | | Joined: Apr 2015 Posts: 21 New Guy | | New Guy Joined: Apr 2015 Posts: 21 | | | |
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