[BFix] Stretching the wheelbase

Joe Lougee 71broncoman at prodigy.net
Tue Apr 22 21:32:13 MST 2008


Brian's seems to have worked out well, but there are DEFINITE limits to 
how long one's drivetrain can be.

In my case, I ran a 4.9 engine (+5" longer engine) into a C-6 (+3" 
w/adapter) into a Klune-IV (+6") on a rig with the rear axle moved back 3".

So, with a driveline about 11" longer than "normal" I would break the 
H-block in my front CV joint every other wheeling trip.  Once I went to 
a high pinion diff, no issues. (40" tires, D44 front and 9" rear, about 
4" of lift)

What I'm saying is, take a good long look at the rear driveshaft angle, 
that's the most important variable.  Add a high pinion diff if needed.

Stretching beyond 4" or so looks goofy to most of us.  Some of the 
purists will say the 101" on mine is too much.
Joe


Brian Cooke wrote:
> Stretch the wheelbase for whatever reason you'd like, but doing it 
> because you're adding a doubler is just an excuse to extend your 
> wheelbase. :)   There's quite a few rigs out there running doublers 
> without any issues caused by the shortened driveline-no need to. I've 
> been doing it for 8 yrs now.
>  
>  
> Send us pics of your new stretched Bronco as you go!
>  
>  
> Brian @ Columbia River Broncos...20 forward gears & 4 reverse to 
> choose from.
>
>     ----- Original Message -----
>     *From:* Billy <mailto:wegrimsley3 at panhandle.rr.com>
>     *To:* mail at broncofix.com <mailto:mail at broncofix.com>
>     *Sent:* Tuesday, April 22, 2008 4:58 AM
>     *Subject:* [BFix] Stretching the wheelbase
>
>     How far can I stretch the wheel base on my 72 bronco without it
>     looking ridiculous? I'm going to add a doubler so I need to
>     stretch the rear out as far as possible. I already moved it back
>     4". How much father can I go? Pics appreciated !
>
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