84 Accelleration Lag
Thread Starter
1st Gear
Joined: Feb 2004
Posts: 1
Likes: 0
84 Accelleration Lag
I am the owner of an 84 corvette and I have a few technical questions.
First off, I have off-the-line problems. When I go to punch it off the line, it just stays in 1st gear and red lines for about 5-6 seconds before shooting through the other gears. Also, the passing gears don't always seem to engage when I mash the accellerator down. Could this be a timeing/tranny problem?? :confused:
Finally, is there anything I can do performance wise to make my 84 a more solid runner? I mean, I'm loseing races against Le Barons for crying out loud! And if there is that lag, V-tec civics walk all over me :mad Help anyone?? Thanks a mil, -Ben
First off, I have off-the-line problems. When I go to punch it off the line, it just stays in 1st gear and red lines for about 5-6 seconds before shooting through the other gears. Also, the passing gears don't always seem to engage when I mash the accellerator down. Could this be a timeing/tranny problem?? :confused:
Finally, is there anything I can do performance wise to make my 84 a more solid runner? I mean, I'm loseing races against Le Barons for crying out loud! And if there is that lag, V-tec civics walk all over me :mad Help anyone?? Thanks a mil, -Ben
Drifting
Joined: Aug 2000
Posts: 1,316
Likes: 0
From: Houston, TX
Re: 84 Accelleration Lag (Opel_GT_Guy)
For Cross Fire injected cars go here:
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http://www.crossfire.homeip.net/
Safety Car
Joined: Dec 2000
Posts: 3,767
Likes: 5
From: Jacksonville Fl
Re: 84 Accelleration Lag (Opel_GT_Guy)
You can try a shift kit, the SK-700Jr sjift kit ($20 or so plus trans service materials) will correct most shift problems, but it sounds like you have a common problem, mostly caused by a worn out govenor bushing in the trans case.
That bad thing is no one normally replaces the bushing surface on the tranny when they get rebuilt (you have to drill the case to fit a bushing in.)
Just live with it or get the trans shift kit...or get a newer year model trans (87 or newer will be fine) because the 84 had the weakest 700R4 trans ever made.
[Modified by BBA, 10:35 PM 2/16/2004]
That bad thing is no one normally replaces the bushing surface on the tranny when they get rebuilt (you have to drill the case to fit a bushing in.)
Just live with it or get the trans shift kit...or get a newer year model trans (87 or newer will be fine) because the 84 had the weakest 700R4 trans ever made.
[Modified by BBA, 10:35 PM 2/16/2004]
Melting Slicks
Joined: Jul 2003
Posts: 2,719
Likes: 1
From: Los Angeles Ca
Re: 84 Accelleration Lag (Opel_GT_Guy)
Finally, is there anything I can do performance wise to make my 84 a more solid runner? I mean, I'm loseing races against Le Barons for crying out loud! And if there is that lag, V-tec civics walk all over me :mad Help anyone?? Thanks a mil, -Ben
Race Director
Joined: Dec 2000
Posts: 17,551
Likes: 26
From: El Paso Texas
Re: 84 Accelleration Lag (Alcee1)
Let's approach this methodically;
1. Stop trying to race the car until it's running correctly, or you will get repeatedly embarrassed.
2. Fix the problem(s). The lack of ability to shift is one reason you are getting stomped by ricers. The poorly performing engine is another. A stock 84 Vette will waste a stock 2004 Civic or stock turbo LeBaron if it's running correctly. Yours obviously isn't.
3. Give us a little more info. Do you have any fail codes? What fuel pressure do you have, and have you replaced the fuel filter recently? What is your timing set at? Have you checked for vacuum leaks? Has the car been tuned recently? How many miles are on the engine? Do both injectors spray a nice misty cone shaped pattern? Have you checked for a clogged catalytic converter?
4. AS for the tranny.....Have you adjusted the TV cable for the transmission? Has the fluid and filter been changed on the tranny?
Let's start there and see what we uncover. Before long those riceboys will only see your 4 taillights.
1. Stop trying to race the car until it's running correctly, or you will get repeatedly embarrassed.
2. Fix the problem(s). The lack of ability to shift is one reason you are getting stomped by ricers. The poorly performing engine is another. A stock 84 Vette will waste a stock 2004 Civic or stock turbo LeBaron if it's running correctly. Yours obviously isn't.
3. Give us a little more info. Do you have any fail codes? What fuel pressure do you have, and have you replaced the fuel filter recently? What is your timing set at? Have you checked for vacuum leaks? Has the car been tuned recently? How many miles are on the engine? Do both injectors spray a nice misty cone shaped pattern? Have you checked for a clogged catalytic converter?
4. AS for the tranny.....Have you adjusted the TV cable for the transmission? Has the fluid and filter been changed on the tranny?
Let's start there and see what we uncover. Before long those riceboys will only see your 4 taillights.
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Re: 84 Accelleration Lag (Frizlefrak)
:iagree: What Frizlefrak, said. Mine runs pretty well and the long block hasn't been touched since it left the factory. Good luck, and...
RACE ON!!!
RACE ON!!!
