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Will i bust the box?

Tech Talk for Cruiser owners.

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Will i bust the box?

Post by ZOOK60 »

The setup on the lux will be 4.8s in the diffs 4spd box with 253 v8 with 33s Question will the 4spd handle the v8?
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Post by Ruffy »

depends on the driver!
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Post by Stulux »

The petrol 4speed struggle to hold themselves up but the deisel box appear to cope alot better. Im running 253 with 4.5's on 35"s and haven't blown a deisel box yet. I used to run a 253 with 4.8"s on 35's with a petrol box and spat about 4 boxs.
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Post by batcho101 »

i've got a chev v6 behing a 5 speed diesel box.have blown a gearbox after only having the car for 2 months.so went with a later model box from i think the lst of the 2.4diesels. which have a thinner bearing setup to allow for bigger gears
84lux-project. A-frame, 350 chev, turbo 350 auto, duals, rears up front, crossover, twin locked and a 118" wheelbase
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Re: Will i bust the box?

Post by Modified Toy »

ZOOK60 wrote:The setup on the lux will be 4.8s in the diffs 4spd box with 253 v8 with 33s Question will the 4spd handle the v8?
Depends how heavy the left foot is on the clutch
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Post by ZOOK60 »

So i guess it will be okay for a while then. I will just have to take it easy ;)
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Post by Bumpy45 »

A high compression 253 produces 138kw@4400rpm and 355nm of torque @2400 rpm. Compare this too what the highlux motor does and you will get a better idea of what will happen. :)
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Post by crunch »

ZOOK60 wrote:I will just have to take it easy ;)
You won't do it!!! :finger: :lol:
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Post by longlux »

I had a 253 in my lux with a 5 speed did burnouts 6500rpm between gear changes (worked motor) I was hard on it never had a problem.


But then you get them blowing up under a little pressure.
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Post by ZOOK60 »

I also have 2 5spd boxs came from a 3y engine but i think they are the weaker ones?
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