Performance and fuel milage - Team Camaro Tech
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post #1 of 10 (permalink) Old May 16th, 01, 02:24 AM Thread Starter
Join Date: May 2001
Posts: 2

I own a '67 RS Camaro with orig. 327 4 speed.
It gets approx. 16 MPG and 14 MPG w/AC this is killing me. I purchaced a 6 speed but have not installed it yet. My question is, should I change to a LS1, LT1 or aftermarket EFI? Looking for all around best choice and why. It is a daily driver. Thanks, Mark
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post #2 of 10 (permalink) Old May 16th, 01, 04:38 AM
Senior Tech
Join Date: Mar 2001
Location: Niceville Fl
Posts: 1,070

Man I wish i got as good a gas milage as u do.. i have a 350 that only gets 10 -12 mpg! I used to get about what u do and then ame my stall converter

69 Camaro RS, 355ci mild cam, Preformer rpm intake, edelbrock 600 carb, 350 turbo w/ shift kit 2500 stall, 10 bolt 2.73 any more questions ask
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post #3 of 10 (permalink) Old May 16th, 01, 04:58 AM
Join Date: Mar 2001
Location: dallas tx usa
Posts: 11

I'm installing a lt1/t56 six speed in a 3rd.gen car. I am being told to expect 20 mpg and 18 mpg when you have your foot in it. The double over drive has got to be a nice luxury.
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post #4 of 10 (permalink) Old May 17th, 01, 01:35 PM
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Join Date: Mar 1999
Location: Maryland, USA
Posts: 19,626
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i look at it this way...

my car is my toy, mpg is better than gpm, to some/most.if i got double digit mpg,i'd be enjoy the fruits of your labor.

p.s. if i wanted gas milage,i'll buy an import....NOT.

My '68 Camaro
Doug G.
68 Camaro
406 ci.
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post #5 of 10 (permalink) Old May 21st, 01, 02:04 AM Thread Starter
Join Date: May 2001
Posts: 2

At this time Im going to buy the after market edelbrock efi, has any one tried these? it seems LT1 parts are really high even if I can get a low mileage engine for 1400.$ The point of this is it is a work car that I enjoy driving I also own a 600hp 1937 chevy coupe for a weekend toy but I need to be reallistic with my work car after all I have to live to!
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post #6 of 10 (permalink) Old May 21st, 01, 11:01 AM
Join Date: May 2001
Location: Temecula, CA, USA
Posts: 2

Although gas prices are worrable right now it is important why you started with camaros in the first place. And now with prices the way they are now, i'll be a lot happier to drive my camaro around town cause everyone is buying little wussy 4 cyl cars- and by the way, do they have the hp, sound and looks of a muscle car?- i dont think so

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post #7 of 10 (permalink) Old May 21st, 01, 03:01 PM
Join Date: Feb 2001
Posts: 2

I just receintly took a cruz down to Pensacola, Fl. this weekend from Alanta, Ga. It was a 350 mile trip one way took about 5 hours. Now... are you ready for this. I got an AMAZING 27 mpg in the car!! I drove down there on 1 (that is ONE) tank of gas with two gallons left to spare. I have a 90 IROC w/ an LT1, T5 tranny and a 3:73 rear. How's that for performance and efficiency! The Lt1 is great. It's a solid engine. Very soon I plan on putting the T56 in. Hope that encouraged you.
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post #8 of 10 (permalink) Old May 21st, 01, 03:44 PM
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Join Date: Mar 2001
Location: slaughters ky 42456
Posts: 238

I like the idea about the LS1 Or LT1. I know they run great especally the LS1.It runs better than most modified carb engines, and is smooth as a Cadillac.Both combos should get well over 20 miles per gallon,if set up like a new car. Sounds like the way to go.

69 Camaro SS 350 4 speed
55 Belair Sedan Pro Street 355 auto 9''
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post #9 of 10 (permalink) Old May 21st, 01, 04:37 PM
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Join Date: Jun 1999
Location: Ewing, NJ 08560
Posts: 2,438

I've gotten up to 28 mpg with a supercharged LT1 in my 93(A4 trans with 3.23 gears). But when you drive very spirited it will drop down to the 14-15 mpg range. So far, around 40K miles and I'm averaging close to 17.5 mpg. If you run EFI, you really need to run a setup that uses O2 sensors to allow the computer to adjust the mixture for maximum efficiency.

Jeff H - 93 Indy 500 Pace Car(supercharged), Hugger Orange 69 Z28 with JL8 brakes, cross-ram & GM fiberglass hood, being restored
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post #10 of 10 (permalink) Old May 21st, 01, 05:02 PM
Join Date: Jun 1999
Posts: 306

I have a T-56 in my 69 with an old rebuilt 327. It has headers, 3.73 gears, Quadrajet 750 and performer intake and cam. I took it on a little road trip this weekend and was able to get around 18 mpg highway driving. If the motor had a bit more torque down low I bet I could break into the low 20's mpg. In 6th gear at 2000 rpm I'm going 80 mph! Any EFI will increase your mpg.

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