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#1 |
Registered User
![]() Join Date: Jul 2010
Location: mogadore ohio
Posts: 867
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gas cap question
my 72 k20 does not have the emissions on the gas tank i guess its called eec . which gas cap do i purchase a 67-70 since its not eec or do i still buy a 71-72 that says with eec even through i dont have that
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1969 chevy c10 lwb stepside 250 6 3 ott 1971 chevy c10 lwb 250 6 with power steering 3 ott 1972 chevy k20 4x4 350/TH350 automatic 1978 chevy Malibu 4dr 305 2bbl (all original) 1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver) |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: gas cap question
for 72 it should take a vented gas cap
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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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#3 |
Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: gas cap question
x2
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#4 |
Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: gas cap question
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#5 |
Registered User
Join Date: Apr 2007
Location: pasadena,TEXAS
Posts: 880
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Re: gas cap question
should a 71 be vented also?
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1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach "Wanda" Don't argue with idiots, People watching may not be able to tell the difference... There's someone in my head........But it's not me...... cheap tricks thread great info here!! http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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#6 |
Registered User
![]() Join Date: Jul 2010
Location: mogadore ohio
Posts: 867
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Re: gas cap question
i thought a vehicle with evap emissions would have a non vented cap so fumes would go through charcoal canister . 71-72 1/2 tons where required to have evap emissions . i have a 72 3/4 ton that does not have evap so i figure vented is what i need but would a vented 67-70 screw on a 72 tank.
__________________
1969 chevy c10 lwb stepside 250 6 3 ott 1971 chevy c10 lwb 250 6 with power steering 3 ott 1972 chevy k20 4x4 350/TH350 automatic 1978 chevy Malibu 4dr 305 2bbl (all original) 1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver) |
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