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awesome performance upgrade for the 1st gen


nooshinjohn

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Hi guys!!!

Just upgraded my 63 with a full poly-graphite front end kit from PST. I am happy to report that my car now handles better than even my much newer Chevy Monte Carlo! Almost all body roll has been eliminated as well as the extreme nose down posture the car would assume under braking. All in all this upgrade is perhaps the best investment made so far in getting my car back into a roadworthy condition. does anybody that reads this know if the 65 gs Rivi rear end bushings are the same as the 63 cars... PST makes the rear end kit for the 65 and if they are the same I will definately buy one

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That's interesting. Years ago I looked into a front end poly kit from PST, received their catalog and realized the only cars ever made were GM A bodies from 64 to 72, Camaros and Mustangs. I was surprised to learn that is all that was ever made and every other car was a figment of my imagination.

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<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">I did not find the link either, so I just called and asked. They were very helpful...... </div></div>

Hmmm... thats different from what I was told today. While they had front end kits for the 64 Riviera, they were not poly, just plain rubber. They were very nice, just didn't have what I wanted, though I think any front end kit would make a difference.

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Bill,

As far as I know, there's no difference in the 63-65's front ends. Maybe you got a salesman who wasn't as knowledgeable about their products, not sure. I am sure they would have to check parts interchanges and basically "mix and match" to get the right parts for certain models. Kind of like we check parts interchage guides to see what was made for all GM.

I think someone needs to keep at them. And once a kit is received, note the part numbers for everything and pass that information along to other interested parties, making PST's job easier the next time, rather then having to re-look up parts numbers. Just a thought.

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In looking at my Chilton's Crash Parts Manual for those model years, there were some different numbers for the '63 and '64-'65 front end parts, in some parts and also some crossover between the Riv and full size Buicks in other parts. These are GM numbers, which could have consolidated in later years, but the manual goes from about '64 to '74. From the way it looks, there's no universal crosses between the fullsize Buicks of '65 or so and the same model year Rivs.

I know everybody likes to talk "kit", but these vendors might just pull the parts from their bins according to a pre-printed list that makes up a particular "kit" part number for them, but if you try to get them off of their menu items, the result might not be what you need. Therefore, it might be better to concentrate on, say, ball joints plus upper control arm bushing kits and such as individual items per se rather than expect a vendor to have a "complete kit" for a particular vehicle. If you can find out that they have all of the individual items to make up "a kit", then you might ask if they would sell you the package of parts at the kit price.

For additional "shopping information", you might also check out the Moog or RockAuto.com websites to see what their replacement part numbers might be and then possibly get the PST people to cross them for you.

In doing urethane bushing replacements, remember that some parts of the suspension are meant to absorb road shocks and road shocks not absorbed "there" will be transferred to other places to be dissipated (via flex of something that might not have been designed to handle the added flex or force). Rubber bushings might take a set or compress, but urethane can crack and break AND some of the urethane replacement bushings come with provisions for CHASSIS GREASE to keep them from squeeking.

Even if the replacement bushings might only be available in normal rubber rather than urethane, they'll probably be a harder rubber than GM originally spec'd. Fresher rubber bushings would be better than what you now have, especially if none are available in urethane.

Just some thoughts,

NTX5467

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I agree you make some excellent points. In fact, part of that feel of "improvement" is simply going from a worn out front end to all brand new. You would have to compare a "brand new" rubber bushing installed front end to a new "urethane" installed front end and THEN note the difference.

Also, rubber does allow for some absorption of bumps, and that is why even new manufacturers use rubber in some points of contact in their suspensions, such as sway bar bushings.

So, go into a swap with that understanding and you'll be all right. we tend to want our full size Buicks to ride smooth and comfortable, although I see the merits in improved handling as well.

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Dear Mr.Sweeny,

Thank you for your recent inquiry regarding parts for your 1963 Riviera. We

do have a front end kit in polygraphite for $309. Unfortunately it is not

listed on our website yet. If you have any further questions regarding this

kit, or to place an order,please feel free to give me a call at 800-247-2288

ext.354. Thank you and have a great day.

Nikkee

PST Sales

<img src="http://forums.aaca.org/images/graemlins/wink.gif" alt="" />

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