What does this do exactly A "JET 700 R-4 Lockup Delay Module"
11-10-2010, 05:52 PM
#1
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
What does this do exactly A "JET 700 R-4 Lockup Delay Module"
Does this make it so when you are going really slow. Say in a neighbor hood your car doesn't Go into 1st gear it stays in 2nd or 3rd? thats what I want. I dont like how much my car is going from 1st to 2nd when I am going so slow. I wish It would just stay in 2nd gear. My gear ratio is stock 2.73. I dont know if thats got anything to do with it.
"The JET 700 R-4 Lockup Delay Module prevents converter lockup until 4th gear, eliminating unwanted converter locking and unlocking in 2nd and 3rd gear. Reduces wear on converter clutch and prevents engine lugging due to premature lockup. Simple, plug in installation."
"The JET 700 R-4 Lockup Delay Module prevents converter lockup until 4th gear, eliminating unwanted converter locking and unlocking in 2nd and 3rd gear. Reduces wear on converter clutch and prevents engine lugging due to premature lockup. Simple, plug in installation."
11-10-2010, 05:56 PM
#2
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
it does exactly what you quotes, it stops the lockup from engaging in the lower gears. That's not the same as a 1-2 or 2-3 shift. What you think may be an upshift may very well be the lockup engaging. Try this, when it does it, keep your foot on the throttle like you had it and then w/ the other foot lightly tap the brake pedal, only enough to engage the brake lights, no need to actually brake. Check the tacho, the rpms will climb about 400 rpm instantly when the lockup disengages.
11-11-2010, 11:41 AM
#3
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
it does exactly what you quotes, it stops the lockup from engaging in the lower gears. That's not the same as a 1-2 or 2-3 shift. What you think may be an upshift may very well be the lockup engaging. Try this, when it does it, keep your foot on the throttle like you had it and then w/ the other foot lightly tap the brake pedal, only enough to engage the brake lights, no need to actually brake. Check the tacho, the rpms will climb about 400 rpm instantly when the lockup disengages.
11-11-2010, 08:03 PM
#4
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Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
Yes it will def hurt 0-60 and 1/4 times....they built the cars with that first gear for a reason afterall, especially with a 305 tbi...if it is actually a tbi and not a tpi, then its going to hurt...also I think overtime it might wear out 2nd gear faster than normal....
11-11-2010, 08:55 PM
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
Yes it will def hurt 0-60 and 1/4 times....they built the cars with that first gear for a reason afterall, especially with a 305 tbi...if it is actually a tbi and not a tpi, then its going to hurt...also I think overtime it might wear out 2nd gear faster than normal....
really that sucks. I already ordered it. fml
11-11-2010, 09:05 PM
#6
Supreme Member
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
Well, I might be wrong, it might not be THAT bad, but honestly, I don't see the purpose or benefit in it, esp not in a stock car, now maybe if you had an engine built to hell and the low ratio of first gear was all but useless it might help, but otherwise, just don't see it being beneficial in any way, but rather detrimental...
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11-12-2010, 05:30 AM
#8
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Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
Well I guess it doesn't matter now. 
I just got this email.
Dear sir,
This part is discontinued. If you have any questions please contact customer service. 800-535-1161
Thank You,
Jet
I just got this email. Dear sir,
This part is discontinued. If you have any questions please contact customer service. 800-535-1161
Thank You,
Jet
11-12-2010, 08:34 PM
#9
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Car: 1988 Firebird, 2000 GTP
Engine: 327
Transmission: 700R4
Axle/Gears: 9" posi, 4.11
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
The converter locks in other gears?
11-13-2010, 09:32 AM
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Car: 1989 GTA
Engine: SuperRam 350
Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
Re: What does this do exactly A "JET 700 R-4 Lockup Delay Module"
As far as I know, the transmission only locks in 3rd and 4th gears stock. And rarely in 3rd at that. I suspect the module changes the lockup speed from 25 mph (305's and smaller engines) to 40 mph (350's). This is what most aftermarket chips do.
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