Actually, my '86 ran very lean on the Haltech (16.2:1 while cruising)
I could easily exceed 30 mpg with it.
I got about 28 or 29 running around town (driving it like I stole it).
Not too bad for 165 rwhp!
The '91 gets 20 city and 25 highway (best was 27.2 mpg).
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1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers)
1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)
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