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Twisted diff tube

Started by LJ RB30 , Feb 27 2010 10:08 PM

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41 replies to this topic

#26 _melvins_

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Posted 10 January 2011 - 11:40 PM

What 60foot time did you pull for your 11.8 and with what gear ratio? Just curious.

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#27 _Bad Blood_

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Posted 01 February 2011 - 10:24 PM

60 foot time was 1.6sec diff gears were 4.44

What 60foot time did you pull for your 11.8 and with what gear ratio? Just curious.

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#28 LJ RB30

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Name:Trevor
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Joined: 12-March 09

Posted 17 August 2011 - 01:30 AM

Well abit of an update!

Had a the torry on the hoist the other day and F U C K M E i noticed i had twisted the lower diff mounts :banghead:

This would explain why the ET streets were rubbing the guard when not going in a straight line!

I when for a quick squirt to try out some road tyres i bought about 4 months ago (been frOcking slack) , i had a bad vibration in 1st & 2nd at low speeds :angry:

I was pretty sure i had twisted the chinese shit slip yoke! :cry:

Yep! i had to use a FBH & drift to get it out of the box!

So some serious decisions need to be made!

After some research, i bought some diff mounts off McDonald Bros racing (thanks to the guys on here talking about them cose i was gunna make them). Torry mounts are 2.2mm thick, Mcdonald ones are 4mm

I settled on a TREMEC TKO 600 from Promotion in the US with their Ensure shift improvement & a Pro50 shift, i dont want to cut the tunnel but i'm frOcking sick of destroying gearbox/drivelines so if need be BRING ON THE GRINDER !!!!!

Bellhousing from Mal wood

I ordered a Chromoly slip yoke from Summit.

Anyway when i removed the diff to have the mounts fitted i noticed oil in the rear hole that isn't plug welded from the factory. Further inpection found that the 2 plug welds on the driver side were cracked :angry:

& the 2 welds around the tubes were both cracked!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

:banghead:

No wonder a bloke drinks!!!!

A mate gave me another VL housing thats now cut down, heavy mounts fitted, fully welded tubes (slightly different than last time).

Waiting for it all to turn up now. Dont think i'm gunna get much racing early this season.

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#29 _Bad Blood_

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Posted 22 November 2011 - 09:23 PM

A new PB 11.14 @ 114 mph :nudie:

1.4 60 ft got to be happy with that.

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#30 LJ RB30

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Name:Trevor
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Posted 22 November 2011 - 11:41 PM

OMFG!!

Jealous as frOck mate!

That 60ft is insane! :clap:

Are you hitting a 200 shot of NOS off the line???? :rockon:

I gotta pull my head outta my ass & get this bloody Tremec in. :Headbang2:

A new PB 11.14 @ 114 mph 1.4 60 ft got to be happy with that.

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#31 _Bad Blood_

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Posted 23 November 2011 - 10:16 PM

Same amount of NOS(130hp @ the fly wheel 117hp @ the wheels) I just started purging the nos just before the run.

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#32 RBTORY

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Name:Andrew
Location:west vic
Car:lj 2 door / RB30ET
Joined: 29-March 08

Posted 05 December 2011 - 02:13 PM

Fark Trev what a night mare, got me a bit concerened about my diff mounts now, mine are just standard mounts cut and rewelded.

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#33 LJ RB30

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Name:Trevor
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Posted 05 December 2011 - 03:18 PM

I'm going back to all rubber bushes except the top body mount cose its adjustable and boxed lower trailing arms. Trying to soften the impact i suppose. Gunna be awhile before i get the Tremec in cose i'm slack! Is yours manual or slush box?