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09-11-2015, 01:20 PM
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#1 |
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Registered User
Join Date: Apr 2015
Location: Rancho Cucamonga,CA
Posts: 5
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Vapor Lock
I have a 69 Chevy C10. I live in So.Cal and it's been hot & humid! Twice this week I've had a vapor lock! Once in the fast lane on the fwy! What's the best way to correct this issue? I'd appreciate any advice.
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Ed Vasquez Exclusive Properties 951-712-0601 Cell 909-992-3692 Efax Email: c21eddiev@gmail.com 
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09-11-2015, 03:43 PM
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#2 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Vapor Lock
vapor lock is mostly an old wives myth it doesn't really exist// check your fuel system start at the gas cap and slowly work your way methodically to the carb
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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09-11-2015, 04:07 PM
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#3 |
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Registered User
Join Date: Jan 2000
Location: Bothell, WA
Posts: 548
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Re: Vapor Lock
Take a look at the location of your fuel filter/fuel line. I had a similar issue in that mine would start fine when cold but when hot it was hard starting during summer heat. No issues in cooler spring or fall. Fuel filter was down about mid block and was picking up a lot of heat. Moved it up the line to the top of the engine and near the carburetor. End of problem.
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09-11-2015, 04:09 PM
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#4 |
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Registered User
Join Date: Jul 2013
Location: Fresno, ca
Posts: 303
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Re: Vapor Lock
Same thing happened to me when I moved to Fresno. I put on an edelbroke 1/2 in thick heat riser. I just ordered it from summit and I shortened my fuel hose going to my carb cause it was touching my valve cover. Never happened again.
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1972 gmc c15 short bed... Sold 1970 chevy custom camper patina daily driver |
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09-11-2015, 08:21 PM
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#5 |
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Registered User
Join Date: Apr 2015
Location: Rancho Cucamonga,CA
Posts: 5
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Re: Vapor Lock
Thank you all! Much appreciated!
__________________
Ed Vasquez Exclusive Properties 951-712-0601 Cell 909-992-3692 Efax Email: c21eddiev@gmail.com
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09-11-2015, 08:25 PM
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#6 |
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Registered User
Join Date: Sep 2012
Location: Layton, Utah
Posts: 186
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Re: Vapor Lock
I bent a new Fuel line from my mech pump. Wrapped it in Heat Tape. That helped a ton but the Phenolic? Spacer pretty much eliminated my issues with that. Good Luck
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James B. 1967 Chevy Fleetside Shortbed 4X2 (Black & Beautiful) 1971 Chevy Fleetside Shortbed 4X4 (White & Rough) |
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09-17-2015, 02:11 PM
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#7 |
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Registered User
Join Date: May 2008
Location: Mesa, AZ
Posts: 281
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Re: Vapor Lock
I had that reoccurring issue. It progressively got worse until the truck refused to start, and had to be towed home.
From there I diagnosed the problem to a failed fuel pump. Once I replaced it, I've never had vapor lock symptoms again. And I live in the Arizona desert, and that was probably 4 - 5 years ago! Apparently, a pump can show these symptoms as a precursor to complete failure. I don't know if I'd performed a pressure test if I would've seen any problems. Regards, Mike
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I own 3 classic vehicles. 1971 LWB C10 Deluxe. 1974 VW Super Beetle. 1971 VW Fastback. The C10 and the Super Beetle run, the Fastback is just not there yet! Please visit my Super Beetle and Fastback profile on TheSamba. |
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