Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
04-16-2009, 06:35 AM
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Re: Gas Cap for '70 Nova
Thanks Marc - that has been Schonye's experience too.
Am curious Grady (or M22Mike if u have yr ears on). You sound pretty sure that the cap above would fit the repro tank. Are u referring to yr beautiful '69 burgundy L78 Nova?
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Sam...  
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#2
04-16-2009, 07:09 AM
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Re: Gas Cap for '70 Nova
Sam, I have a reproduction tank in the burgandy Nova. I purchased the tank from Quanta. We had an original cap replated for the tank and had no problem with it fitting. I did not think that the 70 neck was different.
 Grady
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#4
04-16-2009, 08:23 AM
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Re: Gas Cap for '70 Nova
Grady - she's empty now!
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Sam...
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#5
04-16-2009, 04:58 PM
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Re: Gas Cap for '70 Nova
Don't drill your vented caps...
 ...I am quit sure they are designed to allow some positive pressure in the tank, it helps the crappy little fuel pump work better.When I have been driving Black Beauty...  ...and pull in for gaz, I always crack the cap for a few seconds to allow the tank to vent off. Never tried it after the car has set all night.If you and try blowing through the hole on the back of a vented cap you will notice it requires a small amout of effort before you get any flow. The vented cap also has a negative pressure relief built into it as well. You can check this function by sucking on that little round thing in the back of the cap..  For you guys that are not in touch with your masculine side or are affraid of germs, use a Mighty Vac... 
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#7
04-16-2009, 06:27 PM
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Re: Gas Cap for '70 Nova
I have a Spectra 70 model tank in my 70 Nova, and only the EEC cap (the wide one) fits, a standard cap will not fit, pain in ass. Somebody mentioned a fix for this,? I'm all ears and eyes, let me know
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70 L78 Nova Fathom Blue,Bench, 4spd, F41, 3:55 71 Porsche 911 Targa
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#8
04-16-2009, 07:25 AM
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Re: Gas Cap for '70 Nova
Jack Seymour has experience with this I believe........
Seems to me that the Spectra Premium neck can be modified to accept the correct cap. I can't say why Spectra Premium neck isnt correct for 70???
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Chuck Sharin [email protected] Auburn,WA (30 miles South of Seattle) 70 Camaro R/S Z-28, L-78, R/S SS 69 Camaro COPO "recreation"
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#9
04-16-2009, 07:39 AM
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Re: Gas Cap for '70 Nova
Is it normal for a "Vented" cap to allow pressure build-up. My 70 Chevelle does it. Should I drill the cap or just leave it alone?
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#10
04-16-2009, 07:45 AM
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Re: Gas Cap for '70 Nova
Mine builds pressure ocassionally. If it gets to be a problem I just loosen it a bit. Just a personal opinion but I wouldn't drill an OE cap.
__________________
Don't mistake education for intelligence. I worked with educated people. I socialize with intelligent people.
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