| Re: [GMCnet] Gas tank reflective heat coating [message #318576] |
Tue, 06 June 2017 13:37  |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma:
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Also - if there is pressure at the gas cap doesn’t that suggest that the vent system is inop?
Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, CA
Howell EFI + EBL + Electronic Distributor
> On Jun 6, 2017, at 11:33 AM, James Hupy wrote:
>
> I used the correct gas cap. Read the service manual re: pressure in the
> fuel tanks and vented vs semi vented caps.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
> On Jun 6, 2017 11:20 AM, "Chris S." wrote:
>
> Side topic to the other threads going about vapor lock feedback. I've read
> here before about positive results on coating the fuel tanks with a heat
> reflective material, to help the tanks from absorbing road/engine heat. I
> believe that we have experienced fuel boil in the tanks last year in 93+
> degree temps on the Interstate highways. On the hottest days, the gas cap
> was making a noise and upon opening the cap, fuel actually gushed out.
>
> I figured it certainly can't hurt anything by doing this and I can see a
> number of benefits. To me, having the tanks under that much pressure sounds
> dangerous. Has anybody had positive results and what did you use?
>
> Thanks as always.
> --
> Chris S. -
> 77 Kingsley, 3.70 FD, mostly OEM -
> S.E. Michigan
>
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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