What servos are you using?
01-23-2011, 10:58 PM
#12
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im going to be doing a servo swap to my truck here pretty soon can i run the 4th apply from the vettes? and can run a .500 boost valve or leave the valve out? im going to be playing around with efi live on the truck to adjust some stuff also.
01-24-2011, 12:21 AM
#14
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vette servo all the way billet servo feel l like in a car with some one that doesnt know how to drive stick and also known to break trannys vette gives you that nice crisp feeling there other will get on your nervs if its a dd
01-24-2011, 12:37 AM
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just a little info about my servo and situation in my truck.
The truck had 100k miles when i started modifying it. (about the same time people start having tranny problems)
I did the 224 228 cam, mod air box, ported throttle body, no cats, magnaflow muffs, ls1 e fans, 160 t stat, 4.10 gears and posi, tuned and 100 shot of nitrous. EVERYONE said that i was going to break the tranny if i sprayed thru the shifts. So i did some research on people breaking 4l60e trannys and as i learned more, it seems very few actually break hard parts in the tranny...Most just burn it up.
My theory is that these trannys burn up from not enough positive shift. GM wants it to feel smooth and not noticeable when shifting. So when applying any power or load to the tranny, it will slip into gear and the more slip the more heat and the more heat the more burnt clutches. Once you burn a clutch its is much easier to burn the next time.
So with all of my mods, i just put in the billet servo (stock 4th) with no spring. That was 10,000 miles ago....A stack of timeslips, uncountable street races, 70+ nitrous bottles ago.......My tranny is 100% stock other than the servo. It does shift very hard. And normally barks the tires going into 2nd with any applied throttle. BUT i dont mind the hard shift and i definately like keeping the money for the tranny swap in my pocket for now. Even if it did break tomorrow, it was definately worth the 50 bucks for a servo.
I haul heat and air equipment with this truck, i use it every day, i have taken road trips in it, and no problems so far....(finding something wood to knock on)
The truck had 100k miles when i started modifying it. (about the same time people start having tranny problems)
I did the 224 228 cam, mod air box, ported throttle body, no cats, magnaflow muffs, ls1 e fans, 160 t stat, 4.10 gears and posi, tuned and 100 shot of nitrous. EVERYONE said that i was going to break the tranny if i sprayed thru the shifts. So i did some research on people breaking 4l60e trannys and as i learned more, it seems very few actually break hard parts in the tranny...Most just burn it up.
My theory is that these trannys burn up from not enough positive shift. GM wants it to feel smooth and not noticeable when shifting. So when applying any power or load to the tranny, it will slip into gear and the more slip the more heat and the more heat the more burnt clutches. Once you burn a clutch its is much easier to burn the next time.
So with all of my mods, i just put in the billet servo (stock 4th) with no spring. That was 10,000 miles ago....A stack of timeslips, uncountable street races, 70+ nitrous bottles ago.......My tranny is 100% stock other than the servo. It does shift very hard. And normally barks the tires going into 2nd with any applied throttle. BUT i dont mind the hard shift and i definately like keeping the money for the tranny swap in my pocket for now. Even if it did break tomorrow, it was definately worth the 50 bucks for a servo.
I haul heat and air equipment with this truck, i use it every day, i have taken road trips in it, and no problems so far....(finding something wood to knock on)
Long story short, it comes down to your power goals. A vette servo is good for many applications but if you go big, billet is it. That's why builders use them in higher spec transmissions.
01-24-2011, 07:33 AM
#16
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After some more reading going to use the vette 1-2-2-3 so the shift is quick and crisp and not so harsh and use the billet 4th apply and cover for less in and out of od.
01-24-2011, 08:33 AM
#17
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I had the Superior Super Servos(4th apply, cover, and 2nd) for my white truck, and I already have them for my Burgundy truck when I put the 60e in it.
Ever truck Ive ridden in with a vette servo I didnt like the way it shifted. And my burgundy truck has one currently and Im not going to reuse it.
Ever truck Ive ridden in with a vette servo I didnt like the way it shifted. And my burgundy truck has one currently and Im not going to reuse it.
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