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Lifetime Member
Send PMHot Springs, AR - USA
Joined: 4/24/2004
Posts: 3248
Vette(s): 69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans
there are no magic bullets or beans
the only way your going to get decent highway rpm without turning your car into a gutless wonder is adding more gears.
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Go out, have fun, do a bunch of burnouts until the tranny is toast. Then you have an excuse to put in a 700R4 which will solve the problem. There are a bunch of good threads on this forum on how to do that.
C3: 1979 Corvette Coupe, Auto, L-48, Red/Doeskin (my wife's fave);
C4s: 1986 C4 coupe (SCCA road race car), satin black, 4+3, Z51 package, L-98; & 1993 C4 coupe, white, 6-speed, LT-1.
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V
WHAT`S WRONG WITH 3500RPMS @ 75MPH.... . I HAD 3.08`S BEFORE I CHANGE TO THE 3.55`s. . these gears will reduce your rpm significantly, but you`ll launch like a slug.
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s
Switch to the 3.08 rear end and drop in a 383 stroker....both problems solved
There is no substitute for low end torque! 
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I LOVE MY 700R4...best thing I did after the new motor.
(Of course the C5 gets 27 - 30 MPG)
(Of course the C5 gets 27 - 30 MPG)
Lifetime Member #73
The Money Pit.... and my niece 
(click to see a slightly larger version)
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I love my 200-4R. Best mod I could have done. Now I get about 18mpg instaed of 12MPG with the TH400 and 3.55 gears
Brian - NCM Lifetime Member
73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans
Borgeson Steering box
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Same rpms on my 77.
It isn't hurting anything , it will run all day and night at 3500 and pass everything but the gas stations 
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Overdrive gives you the best of both worlds.
Get a price on a swap and then calculate the pay back miles.
You might be able to actually drive it to the next Gathering.
Save the Wave!
Support the National Corvette Museum
Support the National Corvette Museum
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G
Free Member
Send PMFort Wayne, IN - USA
Joined: 1/17/2005
Posts: 179
Vette(s): '75 Stingray Coupe - 350 Bored, Edelbrock Alum. Heads, Performer Intake/ Carb., Harland Sharp Roller Rockers, MSD Ign., XE Comp. Cam, Pete Jackson Gear Drive, Hooker Headers, Side Pipes, TH400, 3000 RPM Stall and 3.55 Rear Gears
I put a 3000 stall in last winter and I am planning on swapping the tranny and going down to say 2200 rpm stall with in the next year or so. I just need some time to beat on it like it is ! 
Performance or Gas? Does anyone do the long road trips with the high rpm set up?
Performance or Gas? Does anyone do the long road trips with the high rpm set up?
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[QUOTE=Gene]I put a 3000 stall in last winter and I am planning on swapping the tranny and going down to say 2200 rpm stall with in the next year or so. I just need some time to beat on it like it is ! Performance or Gas? Does anyone do the long road trips with the high rpm set up? [/QUOTE]
Performance or Gas? Does anyone do the long road trips with the high rpm set up? [/QUOTE]
I do!
The 77 is my road car.
NC to Cleveland to St Louis, several trips to Bowling Green, 3500 + RPMs all day!
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in Forum: C3 Engines, Driveline and Handling
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