Transmissions and Drivetrain Need help with your trans? Problems with your axle?

mini spool?

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Old May 18, 2008 | 08:47 AM
  #1  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
mini spool?

Does anyone have one on here? I was looking to buy one...How hard is the install.? Can i do it in my driveway? Thanks in advance.
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Old May 18, 2008 | 09:00 AM
  #2  
89IROKCONVERT's Avatar
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Re: mini spool?

iv changed the chunk in mine 4 times never put in a spool because of the tir issue mine is a daily driver so no spool 4 me but iv researched it and it looks the same its easier of corse to do it out of the car but you can do it on jack stands easy enough iv done them both
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can you tell me how to start a new ?

Last edited by 89IROKCONVERT; May 18, 2008 at 09:01 AM. Reason: Automerged Doublepost
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Old May 18, 2008 | 09:35 AM
  #3  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
Re: mini spool?

Alright cool thanks
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Old May 18, 2008 | 09:37 AM
  #4  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: mini spool?

yes you can do it in the driveway, but the minispool or even a full spool are a bad idea if the car ever sees street use. I wouldnt use it
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Old May 18, 2008 | 10:02 AM
  #5  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: mini spool?

A mini spool is not designed for pavement use. They're used for dirt track racing or off road use where tire slip is normal.

Buy a good posi.
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Old May 18, 2008 | 10:57 AM
  #6  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
Re: mini spool?

haha thanks for the responses guys, but i dont have money for a posi , but my friends fox body has a spool and it does fine??
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Old May 18, 2008 | 12:45 PM
  #7  
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: mini spool?

a spool in a ford 8.8 is much stronger than a mini-spool in a 7.5 ten bolt that is designed for dirt track racing.
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Old May 18, 2008 | 01:29 PM
  #8  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: mini spool?

So put the mini spool in and enjoy it while it lasts. When you snap an axle or lose control of the car in a corner, you'll realize how much money you could have saved by installing a posi.
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Old May 18, 2008 | 02:36 PM
  #9  
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spend a day

i'v done this many times. go to the closest u pull it and spin every wheel in the joint don't worry about what its in i took a latch bracket possi out of an s10 blaze and put it in my camaro it lasted 6 mo and was very dangerous in the rain but the point is i'v heard it all but in the end a 7.5 is a 7.5 there all the same im on my 3 limited slip and i latch bracket thats a lot of saturdays happy hunting we will see how much you love car !!
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Old May 18, 2008 | 04:28 PM
  #10  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: mini spool?

I barely understood that last post. I assume you're talking about a factory gov lock. It's not very strong.

If you go junkyard hunting for a posi, you'll need to find one from a 7.5" 10 bolt. They're available in many 80's GM vehicles. There are however 2 series and 3 series carriers so depending on the gears in your diff, you'll need to know what to look for.
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Old May 18, 2008 | 04:36 PM
  #11  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
Re: mini spool?

I heard a full spool with aftermarket axles is okay for a lot of street use? Is this true? Also i dont know what rear end is in my car right now, ill have to take pictures of it when i get back home....
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Old May 18, 2008 | 04:49 PM
  #12  
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: mini spool?

there is no full spool for the stock 10 bolt that i know of....And spools dont belong on the street, u might save a few bucks right now with a mini spool, but when u break axles, and destroy your tires ull quickly see spending that lil extra money for a posi unit would have been worth it....hell i see posi 9 bolts for sell on here all the time just buy one of those rears and swap it in and ull have a stronger rear anyways....or go get lsd rear from a forth gen and enjoy....
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Old May 18, 2008 | 05:01 PM
  #13  
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Re: mini spool?

first is there another latch bracket possi second yes of course you'll need to find one with the right gear range there are only 2 that i'v hear of and were made from 82 to present (272 323 )and (343 373 410) no too hard to find out just count your ring gear and pinion gear and divide or put a mark on the drum and spin it counting the drive shaft as it spins . 88 bird just like the latch bracket possi a spool of any kind locks both rear wheels together which i dangerous at high speeds or any speed especially in the rain because as most know when you turn your wheels move at a different speed and will make you spin out they are made for going straight only
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Old May 18, 2008 | 05:10 PM
  #14  
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Re: mini spool?

what's a lsd rear end the guys at gm told me all that was ever made for the camaro firebird and trans am was the 7.5 and that's true as far as i'v seen i'v herd the mith of an 8.8 on special models but only from someone who knew someone who knew someone i spent alot of time looking for that flying horse so if you know of somthing better than my 7.5 please tell me me
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Old May 18, 2008 | 05:36 PM
  #15  
igotta355z28's Avatar
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: mini spool?

Originally Posted by 89IROKCONVERT
what's a lsd rear end the guys at gm told me all that was ever made for the camaro firebird and trans am was the 7.5 and that's true as far as i'v seen i'v herd the mith of an 8.8 on special models but only from someone who knew someone who knew someone i spent alot of time looking for that flying horse so if you know of somthing better than my 7.5 please tell me me
wow u are trying to give rear end advice and dont even know what LSD is....hmm let me put it into terms u might better understand....."that there LSD is what them city boys call dat good ole posi traction i tell you what." sorry just playin. no LSD= Limited Slip Differential or as GM calls it Posi traction....and a better alternative then the 7.5 inch 10 bolt in stock form is the Borg Warner 9 bolt rear end they are supose to be a fair bit stronger then the 10 bolt and most are posi not all though....
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Old May 18, 2008 | 06:00 PM
  #16  
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Re: mini spool?

i grew up in the country so that cant be it lsd must be a city term but you could have just said abb and i would have known
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Old May 18, 2008 | 06:10 PM
  #17  
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Re: mini spool?

i have a problem with my car if your well versed in camaros so maybe you can give me some help? i have an 89 iroc as well so we have the same motor
----------
engine
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us country folk call it a motor

Last edited by 89IROKCONVERT; May 18, 2008 at 06:12 PM. Reason: Automerged Doublepost
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Old May 18, 2008 | 06:20 PM
  #18  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
Re: mini spool?

alright, so if i shouldnt get a spool? What should i get? Could you guys give me some links to what i shoud buy cause i know jack **** about rear ends haha
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Old May 18, 2008 | 06:25 PM
  #19  
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Re: mini spool?

call 800-230-3030 be prepared to spend 5 hundred or more or do the ebay or other internet thing.
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Old May 18, 2008 | 06:34 PM
  #20  
igotta355z28's Avatar
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: mini spool?

im always happy to help answer any questions i can but i know we dont have the same engine, i pulled out and got rid of my l98,,, oh and the city vs country thing is a joke i grew up in a tiny southeastern gs town and live in a average size texas town now.... o and 88 bird, do like irocconvert said call summit and tell them you want a posi rear insert...gonna run close to 500 bucks...

Last edited by igotta355z28; May 18, 2008 at 06:42 PM.
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Old May 18, 2008 | 06:51 PM
  #21  
89IROKCONVERT's Avatar
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Re: mini spool?

i figured you for country i just wanted you to know im not city .well if you know anyone who knows how to eliminate the emissions on an 89 tuned port im having a wiring problem i could use some help with
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Old May 18, 2008 | 08:27 PM
  #22  
88bird?'s Avatar
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Car: 1988 Pontiac firebird
Engine: built 350
Transmission: 700r4 built up to 600hp
Axle/Gears: stock for now
Re: mini spool?

alright thanks guys, but say im looking for a posi on ebay, how do i know which will fit and which wont?
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Old May 18, 2008 | 08:42 PM
  #23  
igotta355z28's Avatar
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: mini spool?

u need one for a 7.5 inch ring gear with 26 spline axles if u are gonna keep running stock axles otherwise look for one for 7.625 ring gear with 28 spline axles.....i recomend getting the 28 spline mosser axles....
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