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

ALL z51 owners

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Old Mar 5, 2003 | 07:32 AM
  #1  
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From: cambridge UK Cambs
Default ALL z51 owners

Please help.
I have finally got around to ordering a new steering rack and I am thinking of using a Z51 to replace my standard part. Is this a good idea with out all of the rest of the Z51 options.
Do I need to put in any other kit from the Z51? And does the rack make the car twitchy under normal driving ?

I am being advised by my dealer to replace the pump at the same time is this necessary or will flushing all of the old fluid by ok ?

Ps is the FE:7 option the same as the Z51?

Thanks for all the help

Barry

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Old Mar 5, 2003 | 10:09 AM
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Default Re: ALL z51 owners (The Hobbit)

It shouldnt affect anything else on an 86.
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Old Mar 5, 2003 | 10:16 AM
  #3  
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Default Re: ALL z51 owners (The Hobbit)

Is this a good idea with out all of the rest of the Z51 options.
It won't hurt anything on your car, and I think you'll love the better steering response.

Do I need to put in any other kit from the Z51?
Nope, I believe the rack is the only thing that you need to change.

And does the rack make the car twitchy under normal driving ?
Nope, not at all. It may make the car tend to follow ruts in the road a little bit more, but that's something all Vettes do anyway.

I am being advised by my dealer to replace the pump at the same time is this necessary or will flushing all of the old fluid by ok ?
Well, you should be ok doing just the rack, but changing the pump might no be a bad idea if it's old as well. Think of it as cheap insurance for your new rack. I know I would change them both.
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Old Mar 5, 2003 | 02:08 PM
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Default Re: ALL z51 owners (The Hobbit)

Good idea to go with the Z51 rack. Check it on the bench before installing, I asked for a Z51 rack but didn't get it the first time. Should be about 2-1/2 turns lock to lock. If you ever have the steering wheel off you should change the turn signal canceling cam, the Z51 cam is different due to the reduction in steering wheel movement when turning. I replaced the cam when I replaced the VATS ignition cylinder since the canceling cam had to come out anyway.
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Old Mar 6, 2003 | 04:25 AM
  #5  
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From: cambridge UK Cambs
Default Re: ALL z51 owners (vetracer)

Thanks for all of the info, looks like I should go with the Z51.

Not to sure how I would get on over her without this forum, probably would have done something stupid like got a rustang!
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