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Old 06-06-2010, 10:52 AM
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nova A arms

Any one know if the 68-74 upper & lower A arms are the same as the later (75-up) arms? I have been told by a local self claimed expert that you can run later nova spindles (75 and up) on an early front end by swapping the steering arms left to right. This supposedly fixes the problem of the Early rear steer/later front steer. Or do I need to tell this guy he is an idiot?

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Old 06-06-2010, 05:52 PM
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75-up spindles have cast -in steering arms, no way to reverse them, you would have to mount the spindles on opposite side which will put the brake calipers in the wrong spot. The 75-up Nova spindle is also taller than the stock 68-74 Nova spindle.

The 75-up Nova and 70-81 Camaro/Firebird share a spindle, it can be used to upgrade 64-72 Chevelle to a taller spindle, you have to change to an aftermarket upper control arm but you get a much better camber curve with this mod. Maybe this is what he is thinking of.

The 64-72 Chevelle and 68-74 Nova/67-69 Camaro use the same spindle, just with removable steering arms, the Chevelle is front steer and the Nova/Camaro is rear steer in these years. You can swap these spindles if you reverse the steering arms.
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Old 06-06-2010, 07:58 PM
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Quote:
Originally Posted by frankenbaker
Any one know if the 68-74 upper & lower A arms are the same as the later (75-up) arms? I have been told by a local self claimed expert that you can run later nova spindles (75 and up) on an early front end by swapping the steering arms left to right. This supposedly fixes the problem of the Early rear steer/later front steer. Or do I need to tell this guy he is an idiot?
He is an idiot.

First problem is the obvious rear steer vs. front steer. Simply swapping the spindles side-for-side doesn't put the steering arms in the right location. Can you say bump steer?

Second problem is that the 75-79 cars use a different ball joint stud taper than the 68-74 cars. You can physically bolt the later spindles on, but you can't see the fact that the ball joint studs aren't fitting properly in the spindle holes. This overloads the ball joint studs and is just asking for a broken ball joint while you drive. You can swap ball joints to the later ones (the lowers require machining) but that still doesn't solve the steering arm problem.
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Old 06-07-2010, 01:12 PM
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Quote:
Originally Posted by joe_padavano
He is an idiot.
Yikes, the "i" word! lol

FWIW, there are aftermarket control arms to take care of all of this, but they're spendy.

Another option are offset shafts w/bushings.
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Old 06-07-2010, 02:27 PM
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Quote:
Originally Posted by cobalt327
Yikes, the "i" word! lol
Just answering the OP's question:

Quote:
Originally Posted by frankenbaker
Or do I need to tell this guy he is an idiot?
Quote:
FWIW, there are aftermarket control arms to take care of all of this, but they're spendy.

Another option are offset shafts w/bushings.
Sorry, no. You are thinking of the A-body cars, where the offset shafts allow you to compensate for the taller B-body spindles. In the case of the 68-74 Novas, they are rear-steer as noted in the original post. The later spindles are front steer and have integrally-forged steering arms. You cannot swap them side-for-side, so unless you plan to use a completely custom front steer R&P unit, this again does not work. More to the point, the OP was quoting someone who claimed that this was a bolt-on swap. I stand by my original statement.
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Old 06-07-2010, 02:51 PM
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No savvy "lol"? And no one is challenging any statements.

What I'm talking about are http://www.globalwest.net/1968-74_No...and_shafts.htm

Not B-body parts, not to swap sides, not to use later spindles, not to use taller spindles- but to allow for a wider range of alignment and ostensibly improve the handling- which is why the OP brought this up, I'm guessing- unless he just wanted to be "different".

Also http://www.globalwestperformance.com...-bushings.html or http://www.globalwest.net/1968-74_No...ntrol_arms.htm (for coilovers).
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