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Re: [GMCnet] 1 ton question [message #268446 is a reply to message #268442] Sun, 28 December 2014 12:27 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
Well, here we go. A person can stare at drawings until they are blurry
eyed, and "bench race" them until doomsday, BUT never own the actual
article. They will form their own opinions, and argue their point of view
based on misconceptions.
I personally have installed more than a dozen 1 ton front ends. The only
problem that I personally have encountered was with a coach that I did not
do the initial install on. That one was converted by Bill Hubler, the
originator of the 1 ton conversion, and the owner of the coach. Both Manny
T. and I replaced every component under the front end of that coach twice,
and torque steer still persists to some degree. I am convinced that the
frame geometry is incorrect, perhaps due to a collision somewhere in the
coaches past. I have noticed, however, that higher horsepower engines
aggravate torque steer in the GMC. So do bad engine mounts, as well as tie
rod ends. As far as front ride height goes, my personal experience has
demonstrated to me to try and keep it as close to original specification as
is possible. But I have heard "I don't like how the coach looks with the
front end high" Back in my racing days, we had a saying "if it don't go,
chrome it". Usually the ugly race cars were the ones that ran the best.
Looks don't count for much when it comes to performance. That's my take on
this deal. No, I don't have all the answers, but I do have a lot of
practical experience with 1 tons.
Jim Hupy
Salem, Or
78 GMC Royale 403
On Dec 28, 2014 9:35 AM, "Ken Henderson" wrote:

> On the other hand, I was surprised at how little difference there is.
>
> If the drawings came from anyone except Stan (I'm assuming Edwards), I'd
> doubt the accuracy since there's no dimensional difference between the
> A-arms -- I don't see where the 16*-11*=5* difference in the steering axis
> comes from. The knuckles are obviously sufficiently different to account
> for it, but I'd have thought that when we adjust back to the same camber,
> that would be negated.
>
> Since Stan very likely did the drawings before he did the modification (he
> did his own), I'm confident they're accurate.
>
> Ken H.
>
>
> On Sun, Dec 28, 2014 at 11:26 AM, Keith V wrote:
> ​...​
>
>
>>
>> https://www.facebook.com/photo.php?fbid=10204172125878154&set=o.183025891821956&type=3&theater
>> if
>> that drawing is accurate, it looks like a big difference to me.
>>
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