LS2 COMP CAR WHICH AUTO DO I PUT BEHIND IT

Post by **troyten** » Mon Oct 05, 2009 7:48 pm

IM 95 % sold on putting a auto behind a LS2 Iin a new winch comp car im building which one will best suit a gq transfer case and handle the LS2 and is manualising it a good or bad idea , your thoughts from those who have done would be great

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Post by **jessie928** » Mon Oct 05, 2009 7:51 pm

manualised turbo 400

1st gear is longer then a 700 BUT you will probably be usining reduction gearing anyway.
an dyou dont need the OD of the 700

JEs

Post by **bazooked** » Mon Oct 05, 2009 7:59 pm

you also want the valve body with engine braking, tci do them they are bout 500 bux from memory

Post by **VooDoo** » Mon Oct 05, 2009 8:19 pm

2 speed powerglide

At least it wont break in a hurry. the 4L60e wont last as the torque kills em, the T700 is the older version of the box. A T400 might be ok and can be built pretty strong. Talk to Craigs Auto's in Sydney as they have built some awesome boxes for weird applications

Post by **bazooked** » Mon Oct 05, 2009 8:36 pm

a 400 will be more than ok, even in standard form its stronger than a built 700, let me now what prices u get from your way and parts used.

Post by **troyten** » Mon Oct 05, 2009 8:59 pm

ive also heard turbo 400 is the go my next step will be marks addapters for all the addapters to make sure the transfer case will bolt on

Website · Post by **killalux** » Mon Oct 05, 2009 9:24 pm

either T400 or Manualised nissan auto

Post by **WelchyGQ** » Tue Oct 06, 2009 1:38 pm

You should do nothing and give the engine to me.

Welchy

Post by **ADAM 26** » Tue Oct 06, 2009 2:10 pm

turbo 400.

get it built, full manual, good clutch packs and bands. it will be bulit proof.
iv got one behind a 1000hp big block and it loves life.

dont do burnouts in reverse, it will kill it straight away!

Post by **Vulcanised** » Tue Oct 06, 2009 4:29 pm

killalux wrote:either T400 or Manualised nissan auto

the nissan auto is prone to stripping the input shaft..... i was told about it and thought it was crap until mine with a V8 in front of it putting in FAR less power than an LS2 will, crapped itself

Post by **brooksy** » Tue Oct 06, 2009 4:55 pm

ADAM 26 wrote:turbo 400.

get it built, full manual, good clutch packs and bands. it will be bulit proof.
iv got one behind a 1000hp big block and it loves life.

dont do burnouts in reverse, it will kill it straight away!

PICS !!!!

brooksy

Post by **nzdarin** » Thu Oct 08, 2009 1:35 pm

Vulcanised wrote:
killalux wrote:either T400 or Manualised nissan auto
the nissan auto is prone to stripping the input shaft..... i was told about it and thought it was crap until mine with a V8 in front of it putting in FAR less power than an LS2 will, crapped itself

Don't you mean Nissan torque converters are prone to stripping the spline so when you do it you get the torque convertor strengthened. I Have run a Nissan auto behind a turboed, I/C TD42 runing 21psi doing comps and also run one behind a turboed VH45 that had 280 rwkw. The auto is plenty string enough but you do need to ensure the spline is reinforced in the TC.

Post by **Vulcanised** » Thu Oct 08, 2009 7:37 pm

nzdarin wrote:
Vulcanised wrote:
killalux wrote:either T400 or Manualised nissan auto
the nissan auto is prone to stripping the input shaft..... i was told about it and thought it was crap until mine with a V8 in front of it putting in FAR less power than an LS2 will, crapped itself
Don't you mean Nissan torque converters are prone to stripping the spline so when you do it you get the torque convertor strengthened. I Have run a Nissan auto behind a turboed, I/C TD42 runing 21psi doing comps and also run one behind a turboed VH45 that had 280 rwkw. The auto is plenty string enough but you do need to ensure the spline is reinforced in the TC.

i was told it was the spline on the input shaft that strips, and apparently that is what went in mine...... i didn't change it out. Just got another box, took it to a mechanic and paid them to do it. I didn't have the time...... and never saw the busted part. I know the torque converter lock up was piss weak in them too..... don't last very long.

Post by **Mousie** » Fri Oct 09, 2009 11:17 pm

when i was trying to decide the same thing... i spoke to a auto gearbox guy and told him what sort of work it would be doing and he basically told me stick to a manuel unless u want to spend massive bucks and get it rebuild often so i stuck with manuel...

Post by **AFeral** » Sat Oct 10, 2009 7:34 pm

How did you go about reinforcing the Tc ?

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LS2 COMP CAR WHICH AUTO DO I PUT BEHIND IT

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