1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

gas mileage..

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Old 11-25-05 | 05:34 PM
  #1  
DASUPACAT1's Avatar
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From: FORT WAYNE
gas mileage..

I swear my 81' gsl sucks down more gas than a...I seem to get about 13mpg. Is this normal??
Old 11-25-05 | 06:13 PM
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85TIIDEVIL's Avatar
ALLROTOR
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From: Oceanside, NY.
I drove a 85 I picked up today from Pennsylvania... 192 miles to get it home and only used 1/2 a tank...!!! It is COMPLETLY STOCK though... and I do mean COMPLETLY STOCK.
Old 11-25-05 | 07:16 PM
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OneRotor's Avatar
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From: 90024
I have an '82 GS with a Bridge Ported 12a, Holly 465 w/ intake from RB, RB SP header, RB exhaust, grounding kit, MSD Blaster 2's, Magnacore 10mm wires, etc. etc. and when i take her out to flog her, i'll get between 5 and 8 mpg, but cruising on the freeway i'm getting ~24mpg.
Old 11-25-05 | 08:16 PM
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onslaught_81's Avatar
annabell

 
Joined: Apr 2005
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From: Cali
my stock 81 gets decent mpg on the freeway cruising like around 26-28, but when stop and go driving ie around town and what not, i only get like 10-15 depending on how im driving
Old 11-26-05 | 03:58 AM
  #5  
d0 Luck's Avatar
raysspl.com
 
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From: L.A.
BSFC. look up into it.
Old 11-26-05 | 05:40 AM
  #6  
onslaught_81's Avatar
annabell

 
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From: Cali
bsfc? you mean search for bsfc??? sorry its hella late long not and i dont know whats going on with the bsfc
Old 11-26-05 | 10:11 AM
  #7  
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From: Convoy, Ohio, USA
I recently changed plugs and wires on my stock 12a and went from 19 mpg to 23 mpg.
Old 11-28-05 | 11:39 PM
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AcidAngel7477's Avatar
We're All Fkd..
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From: Whittier,CA
yeah!!! my 85 sucks gas hard core my gas only lasts me like two days...(example. from half a tank one day will take it to just a little above a quartar of a tank....it really sucks but i deal with it....gotta love the perks of a first gen...
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