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I have been searching the board and havn't found a definate answer about changing gears. I will be changing the gears in my 2002 3.8L Camaro from its stock 3.23's but I don't know which is better, 3.42 or 3.73. I daily drive my car about 40 miles a day and race a few friends and others on the side. Can someone help me and give me some good advice. Thanks!! [img]graemlins/burnout.gif[/img]
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2002 V6 Camaro 3.8 Liter <br />Manual 5-Speed<br />Hypertech Prower Programmer<br />180* PowerStat<br />Super Sucker Ram Air<br />Whisper Airlid, K&N Filter<br />3.73 Gears<br />Bullet Cat-Back Exhaust<br />NGK Plugs & Taylor 8MM Wires<br />Pro Form Short Throw Shifter -
3.42 would be easier to deal with. You can get your PCM recalibrated by any dealer, or buy a computer from a Y87 F-body. You won't loose as much gas mileage with 3.42's opposed to 3.73's.
Cons - Going from 3.23 to 3.42 you probably won't notice a difference in performance.
I would recommend higer than 3.42's though..3.73 or 4.10 would be nice.94 Camaro 3.4 A4 <br />T-Tops<br />In the process of an LS1 swap. -
Since you have an M5, you wouldnt have to worry about a y87 computer. You could just get a simple speedo recalibrator, or a lot of mechanics nowadays can do speedo recalibration. You'd notice a good difference going to 3.73s, I doubt 3.42s would be enough of a diffence to be truly worth it. Plus with a manual, you have a lower overdrive gear so 3.73s on the highway will still be fine. Autos are the guys that need to contemplate this idea a lot since we lose our shift points in a gear swap, I'd get 3.73s if I were you.AIM: Alientr8tr<br /><a href=\"http://www.cardomain.com/memberpage/583450\" target=\"_blank\">1998 Camaro 3.8L</a><br />Flowmaster 80-series, !FRA, Eibach Springs, KYB AGX, SLP sway bars, 3.42/LSD, Wings West kit, Z06 Motorsports, Silverstone Metallic paint<br /><a href=\"http://www.shift5.com/\" target=\"_blank\">Shift 5</a> - My BandComment
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Thank you guys. I think that I will go with the 3.73's. It seems that they would make more of a difference and the gas mileage doesn't seem like it would be that bad,It's not a real big concern of mine anyway.2002 V6 Camaro 3.8 Liter <br />Manual 5-Speed<br />Hypertech Prower Programmer<br />180* PowerStat<br />Super Sucker Ram Air<br />Whisper Airlid, K&N Filter<br />3.73 Gears<br />Bullet Cat-Back Exhaust<br />NGK Plugs & Taylor 8MM Wires<br />Pro Form Short Throw ShifterComment
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<blockquote>quote:</font><hr>Originally posted by AlienInv8r:
Plus with a manual, you have a lower overdrive gear so 3.73s on the highway will still be fine.<hr></blockquote>
What is the ratio on 5th gear...I thought it was .72 compared to the A4's .70???*SLP Cold Air Intake<br />*RK Sport Welded Headers/Y-Pipe<br />*High Flow Cat. Converter<br />*B&B Tri-Flo Cat. Back<br />*Charcoal Leather Interior<br />*Fiberglass Fabricators SS Hood<br />*13.1\"/Dual Piston Corvette Brakes (Front)<br />*12\"/Single Piston Brakes (Rear)<br />*17\" ZR1 w/ 275/40/17 all round<br />*Z28 Dashboard Cluster<br />*99 Trans-Am Rear Axle<br />*35% Side & Rear Black TintComment
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<blockquote>quote:</font><hr>Originally posted by stubborn portugee:
What is the ratio on 5th gear...I thought it was .72 compared to the A4's .70???<hr></blockquote>
Some say it's .72, others say .74. The 4L60E's 4th gear is .70.Matt
1998 Mystic Teal Camaro M5
Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.Comment
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Ya AlienInv8r I don't know where u got that information but 5th gear would rev higher than an automatic transmission...Vaahrooom I'd go with a 3.42 ratio, just my .02*SLP Cold Air Intake<br />*RK Sport Welded Headers/Y-Pipe<br />*High Flow Cat. Converter<br />*B&B Tri-Flo Cat. Back<br />*Charcoal Leather Interior<br />*Fiberglass Fabricators SS Hood<br />*13.1\"/Dual Piston Corvette Brakes (Front)<br />*12\"/Single Piston Brakes (Rear)<br />*17\" ZR1 w/ 275/40/17 all round<br />*Z28 Dashboard Cluster<br />*99 Trans-Am Rear Axle<br />*35% Side & Rear Black TintComment
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Just wanted you all to Know that I put the gears in just two days ago and even though I have to take it easy on them for 300mi I still came feel the differance in my acceleration from a dead stop and while driving!! Just 250 mi before I came really let loose. I Can't wait.2002 V6 Camaro 3.8 Liter <br />Manual 5-Speed<br />Hypertech Prower Programmer<br />180* PowerStat<br />Super Sucker Ram Air<br />Whisper Airlid, K&N Filter<br />3.73 Gears<br />Bullet Cat-Back Exhaust<br />NGK Plugs & Taylor 8MM Wires<br />Pro Form Short Throw ShifterComment
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