dtpmike

Please specify the mpg your car gets. Specify auto or manual and OD or not. Also tell me what your final drive gear ratio is. Im just curious how bad these engines suck gas from our cars.

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89 camaro 305 tbi, dynomax cat back(just switched to flomaster 3 chamber cat back), Edlebrock open element, 2 kicker comp 12"'s, polk for the rest. Phoenix gold xs2300 to subs, kicker impulse 404XI to 4 speakers, pioneer DEH- P7000R head unit. Full leather interior from MrMikes.com

Kevin91Z

iTrader: (1)

I dont have a ZZ4, but I have the ZZ4 cam and heads. I get about 20-22 MPG highway and about 15-17 city. I have a T5 with 3.42 gears.

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1991 Camaro Z28
5.7L 5-Speed
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
Webmaster: ICON Motorsports

Dragroc

I have a ZZ4 with TPI(read the sig), with a 700R4 and 2.77:1 rearend gears and get about 18-20 in the city depending on how hard I drive it.

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1989 Chevrolet IROC-Z28 TPI ZZ4 with TH700R4 and 2.77:1 rearend gears:
-Gutted Air Boxes, Throttlebody coolant bypass, Hypertech Air Foil, Accell Superram Base Intake, Crane AFPR, AC delete, Smop pump delete, Hooker 1 5/8 Headers, Holley Ignition Module, Hypertech Custom PROM, B&M Megashifter...I know there is more, I just can't think of it right now!

james_fearn

I have a zz4 in a 56 ford F-100 P/U w/ 700-r4, holley 750 V/S, 2200 stall lock-up converter, 3.70 detroit locker, 28" tall rear tire, and get 14 MPG in the city having fun (READ: floggin' the hell outa it). Haven't done any straight highway but man with that many true ponies and 14 MPG it's one helleva ride.

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1985 Z-28 305 TPI
215,000 mi. Original Eng.