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LSX454 swapped 95 BASS burb.

Little lower, little cooler, bigger sounds.
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No. They were put on with the shocks all new about 3 years ago. But they maybe have 5k on them in that time. Probably not that much.
Only thing I can think is there's no metal sleeve in them.
Had to pull it out due to bolt size. Iirc anyway.
 
One thing I did that I forgot to mention is I tightened up the cal tracs while it's in the air.
They're just over 1 turn, about 1.25 actually.
Heard a lot of people saying that 1 turn was about the sweet spot with the heavier vehicles.
Since mines even heavier than most, I went 1.25ish.

I was at half turn before.
 
So.... Just a feeler question.
If I wanted to replace the posi unit, what would you use.....

A. Trutrac.
B. Powertrax version of the trutrac.
C. Normal Limited slip since I'm not rock crawling...?
D. Full spool and send it.
Or. E. Detroit locker..... Would a Detroit locker even be ok in a race truck that does occasionally run curvy roads hard?
 
Also the no sleeve thing may have been my blue truck. Because it has super duty shocks, not ones designed for it.
These are the ones for this truck
 
shady said:
So.... Just a feeler question.
If I wanted to replace the posi unit, what would you use.....

A. Trutrac.
B. Powertrax version of the trutrac.
C. Normal Limited slip since I'm not rock crawling...?
D. Full spool and send it.
Or. E. Detroit locker..... Would a Detroit locker even be ok in a race truck that does occasionally run curvy roads hard?
Click to expand...
I would run either trutrac, or an eaton clutch type posi like GM used on a street vehicle. If it was a hard core street strip ride, then a spool. I don't think you want a spool in that suburban. or a locker.

I can get a price on one if you want. Is that a 8.5" ten bolt or what is it?
 
14bff.
Wasn't sure if the weight of the vehicle would allow a clutch type to one leg still.
I prefer matching burnout marks lol
 
The gears I have are 4.56, but they're the thick ones for running on a 4.10 and numerically lower carrier.
So if need the 4.10v version.
I think I'd rather do a powertrax grip pro over the trutrac. If those are available though you.
It's the same as a trutrac but stronger.
 
Forged steel case with 6 sets of internal gears instead of 3

Screenshot_20250722-191235.png
 
My warehouse has 3 of the Trutrac in stock, ready to ship, less expensive than the powertrax. They also have the Eaton posi in stock. They do not have the powertrax in stock, but it says they can drop ship as powertrax has 25 of them in stock. However, on the powertrax my price is not competitive, my price is higher than Summit. So if you want the powertrax I'm not your guy. If you want the Trutrac it could ship today. No worries either way.
 
Only thing I like better about the locker/spool type thing is burnouts around corners and such. I think a limited slip style would allow it to one leg with all that weight leaning on one side. :dunno:
They say the trutrac style locks harder the more pedal you put to it. But I've never even ridden in something with one.
 
With that play I have in the pumpkin, it's got to be either the spiders, or something up in the actual locker mechanism... Even though it locks well.
Is it even an abnormal amount of play?
I can't imagine it's in the splines. But I was planning to pull them out and check.

I was also wondering if there's anyway the mechanism can grab, let go, grab, let go, etc under mild acceleration.

I'd actually rather keep a G80 over anything.
 
shady said:
Only thing I like better about the locker/spool type thing is burnouts around corners and such. I think a limited slip style would allow it to one leg with all that weight leaning on one side. :dunno:
They say the trutrac style locks harder the more pedal you put to it. But I've never even ridden in something with one.
Click to expand...

A good limited slip will not slip when you get on it in a turn, only if you take it easy on a turn. It will slip if you get one tire in the dry asphalt and the other one in gravel or water, something like that.

A don't recommend a Detroit in a high speed street vehicle. It can cause shifts that can make you lose control easier at high speeds.

4WD offroad I love Detroits, in a street/strip ride, I don't recommend them, there are better options. In fact I run a spool for hard core street that is too much for a posi.

For your ride, I would run a posi, torsion (Trutrac) if you don't want the clutch type. The clutch type works good, for quite a while, until it needs rebuilt.

shady said:
Well....
Hello, my name's Ron.
First name MO.


I was looking at them and thought, wait a minute...I bought SILVER shocks.!?

Guess what I found on the shelf :whistle: :doah::haha:

View attachment 508951
Click to expand...

Hey, that might make a big difference!
 
BUT....

I think it's still in wheels,/spin...
Because, it'll do it in first easier. And the one time I got into it in second where it would normally do it, it shuddered a couple quick times and stopped but I could feel the tires spinning.
Looked in the side mirror and seen faint marks to prove it.
I just have a hard time believing that because you'd think if it had trouble keeping traction there it'd just blow em off if I got harder into it. But it doesn't, it just launches.
Even before the caltracs.

Not to mention the doing it on decel maybe a few times
 
Took this for a cruise today. 1:20 one way.
After an hr of driving 78-82 mph I decided to take a pic on a long straight flat section.
Trans temp 142 after all that, and ranging between 14-16 mpg at that speed on flat ground.

It now does the stutter/shudder easily in first gear on take off though, and I can do it anywhere in second pretty much.
Almost HAS to be traction related, or trans doing worse because it has more traction (still traction related then lol)
Id guess more preload on the bars is why it's worse.

IMG_20250726_155330752_HDR~3.jpg
 
If you can't tell then put a white line on the inside sidewall and point a camera across at at angle to see the pinion and the sidewall and the ground.

Or figure out a way to read the speed from the front ABS tire sensor to compare too. I think a digital pro dash could do it.

Camera is cheaper.
 
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