C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Solid rear for 89

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Old May 2, 2012 | 07:09 PM
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Default Solid rear for 89

Seriously thinking about his for next year.

Thinking about Carroll's Rod and Racecraft drop in unit.

These units come with a spool and I heard that spools are def not fun in the street.

I have (in the past) limited my trips to drag strip due to breakages and the likelihood of them.

If my engine is right at 500 hp / 500 tq and I plan on spraying a 250 shot, I still want to do the solid rear route, but what other options should I be looking at in regards to the spool?

I very much want to keep this streetable but don't want to continue to break parts as I have in the past.

89 383 ZF6 D44
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Old May 2, 2012 | 07:17 PM
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Old May 2, 2012 | 07:58 PM
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A 12 bolt rear can be ordered with a posi or a spool. They both fit inside the carrier. If you have a street/strip car, go with the posi.
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Old May 2, 2012 | 08:56 PM
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I like the picture of the smoke cloud building from the back of your 89.
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Old May 3, 2012 | 12:15 AM
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Ok cool. Good to know.

383vett , bolting on slicks and releasing clutch (McLeod Street Twin) on a 2 step set to probably 4K or so (just guessing), will the spool be a LOT less likely to break than the posi?


impact1968 Thanks, that was a still from an old vid I shot. Engine was around 375 hp then. http://video.google.com/videoplay?do...03090290661814
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Old May 3, 2012 | 12:37 AM
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Originally Posted by black_89_vette
I heard that spools are def not fun in the street.
Jessie had a spool in his D44
http://forums.corvetteforum.com/1547395714-post1.html
http://forums.corvetteforum.com/1547404130-post10.html

before he did the solid swap
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Old May 3, 2012 | 10:54 PM
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Detroit Locker in mine, I didn't want a spool

All the advantages of the spool, none of the downsides

That being said, make sure the car is pointed straight before you hit the gas (same thing with a spool)

Only bad thing is the Locker's "click" quite a bit when they start ratcheting around a corner, but I would rather hear that than tires chirping with a spool
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Old May 3, 2012 | 11:36 PM
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Originally Posted by black_89_vette
Ok cool. Good to know.

383vett , bolting on slicks and releasing clutch (McLeod Street Twin) on a 2 step set to probably 4K or so (just guessing), will the spool be a LOT less likely to break than the posi?


impact1968 Thanks, that was a still from an old vid I shot. Engine was around 375 hp then. http://video.google.com/videoplay?do...03090290661814
Posi's are tough. Just have to make sure both tires are wet and to avoid the one legged burnout. That'll kill it quick. I have a spool but my car is a track only car.

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