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  #1 (permalink)  
Old 07-12-2010, 08:21 PM
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Gears. WOW!!!

Not for sure if this belongs in the engines area but here go's. Just got my truck back today from getting new 3:42 gears in(had 3:08's) and wow what a diffrence. my truck is an 86 c-10 with a 305(bolts ons) in it and this thing screams. The truck is not really a hot rod by no means, just a weekend cruiser and local car shows here and there. But I would reccommend anybody looking for performance increase with stock engine parts to definitly invest in gears. I dont think ill be winning any light to light races cause that one right tire wont stop until I get off it. Maybe need to invest in a posi or ill be goin through tires here pretty quick.

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Old 07-12-2010, 08:27 PM
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Another one shown the magic of gears. Just that small ratio change made that big a difference goes to show what lower gears can do. I recommend a posi swap also, just make sure you don`t get a GM Eaton "Gov Lock" also known as a "grenade lock" these units are prone to break, hence the name.
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Old 07-12-2010, 08:47 PM
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i've been debating the swap from my 3:08 to 3:42's....sounds like it makes one hell of a difference
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Old 07-12-2010, 09:23 PM
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I still am able to cruise on the interstate also. I wanted to go 3:73 but so glad I didnt. 3;42's on the highway is awesome. I dont have a tach but will get one here soon so i dont know my rpms. But the flowmasters sounds good at cruise speeds. Yea a posi is definitly in the investment book. I have brand new 17inch tires and they spend like 14 inch slicks. You'd swear left and right this thing was a big block by the way it leaves the line. Im just amazed. When I make a left turn and hit it, it catches and both tires spend. Im done im completely satified with this mouse of a 305 cause I can cruise on the highway, and shed some rubber when I want.
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Old 07-12-2010, 10:12 PM
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I went from 3.08 to 4.56. Yup, she tachs...
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Old 07-12-2010, 10:22 PM
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4:56!!!!! Thats an all out dragster right?
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Old 07-13-2010, 01:01 AM
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Thought my 4.10s were bad but 4.56? Geeze. Better have some big tires to keep the Rpms down a little.
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Old 07-13-2010, 01:20 AM
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Quote:
Originally Posted by American Muscle
I dont think ill be winning any light to light races cause that one right tire wont stop until I get off it.
Try this until you get a posi. Replace the right rear only shock with an air shock. Adjust the air pressure in it until you have pre-loaded the right rear to the point that both tires lay an equal patch. A front-motor, rear-drive vehicle twists on a diagonal when hammered. The left front and the right rear get light, while the right front and left rear get heavy. So, pre-loading the right rear will put more weight on that corner and make the tire hook.

Also, contrary to what most guys think, a street tire will hook up better with MORE air in it, not LESS.
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Old 07-13-2010, 01:41 AM
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Quote:
Originally Posted by techinspector1
Try this until you get a posi. Replace the right rear only shock with an air shock. Adjust the air pressure in it until you have pre-loaded the right rear to the point that both tires lay an equal patch. A front-motor, rear-drive vehicle twists on a diagonal when hammered. The left front and the right rear get light, while the right front and left rear get heavy. So, pre-loading the right rear will put more weight on that corner and make the tire hook.

Also, contrary to what most guys think, a street tire will hook up better with MORE air in it, not LESS.
That tooooo much work inspector. Ill feel better by putting some blocks in the back. Thatll be my excuse for not winning. Not hooking. Although on my way home from shop a guy in a 90 model camaro pulled long side of me(V6 what a waste of car). He lead me by a bumper from the light but I came around him spinning and all, after that it was over. Im gone get in a lot trouble with this thing. I wanna hurry and put a posi in just to see what itll do.
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Old 07-13-2010, 05:14 AM
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Quote:
Originally Posted by American Muscle
4:56!!!!! Thats an all out dragster right?

My C1500 shortbox daily driver with a about 500 HP 383. Getting a 200-4R very soon. Got 275/45 20s on her tho.
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Old 07-13-2010, 05:49 AM
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Wanna Race
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Old 07-13-2010, 06:39 AM
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I was always taught the first performance mod you should make was a set of gears.

Quote:
Originally Posted by techinspector1
Try this until you get a posi. Replace the right rear only shock with an air shock. Adjust the air pressure in it until you have pre-loaded the right rear to the point that both tires lay an equal patch. A front-motor, rear-drive vehicle twists on a diagonal when hammered. The left front and the right rear get light, while the right front and left rear get heavy. So, pre-loading the right rear will put more weight on that corner and make the tire hook.

Also, contrary to what most guys think, a street tire will hook up better with MORE air in it, not LESS.
We used to put an Air Lift bag in the right rear, does the same thing.
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Old 07-13-2010, 07:36 PM
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Another one bites the dust. Took the old truck out for another spin today and came across a young thundercat in a square body mustang 5.0. We both spun real hard out the hole but the mustang had posi and got ahead. My 700r first gear is a monster, it wound and wound then finally scratched second gear. I could tell this guy wasnt experienced cause he couldnt shift worth a crap. I thinks thats why I got him for the most part. Id love to see him once I get my posi unit.
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Old 07-13-2010, 07:44 PM
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You're not gonna need that posi unit when you lose your license for drag racing on the street.
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Old 07-13-2010, 08:08 PM
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My favorite automatic drivetrain is the 700R4 light 2200 stall with 3.42 gears and a 26" tire, or 4.10's with 28" tire. You could build an "out of time" over carbed turd , and the drivetrain would keep it fast.

It is hard to beat the pulling G feeling of a torqued 440 with A833 4speed and 3.23's with 26"tire.
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