i here a lot of talk about suncoast III , IV , V stages what is the difference between the three? -

Allison Stage III Kit


This kit is recommended for normal duty with up to 500 RWHP. Also comes with a Transgo Shift Kit®, Filter Kit and Allison Triple Disk Torque Converter.

Allison Stage IV Kit

Kit Includes:

Sun Coast engineered this kit and manufactures many key components that have made it possible to hold the torque that your Duramax is putting to the ground. We have assembled the best parts available for your Allison 1000 transmission and put it in a kit form to enable shops to build a dependable unit. This kit includes upgrades clutches for C-1, C-2, C-3 and C-4. Valve body upgrades, pump upgrades, filters and gaskets.

This kit when properly installed will enable the Allison to easily handle extreme power and load increases in excess of 700 RWHP.

Don't Be Deceived, not all so called Stage IV Kits are Sun Coast Products. Knock downs do not have the capabilities to perform at the levels you need to accomplish successful 700 plus HP. The components we offer are not offered in the “bootleg kits” shown in other ads.

*Price includes GM-1056-3D Torque Converter.



I think there is very little difference between the IV and the V.. might be the upgraded planetaries. -

Oilfield_Mafia's Sig:

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07 Classic LBZ CC/SB 4x4

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so this is to rebuild the trans you already have then? and if you sell them pm me a price for the three and also do you recomend not burning up the stock trans first or doesnt it matter? -

You can get a Stage 3 or 4 rebuild kit or a stage 4 complete transmission.


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lukesdiesel's Sig:

Diesel Dawgs Performance

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Expandit Exhaust Specials

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hope you guys dont mind me askin but if i wanted to up my trans to a suncost stage4 but also want to make it a six speed as well what should i do just get the trans or get the kits and find someone to install them? -

tomc983's Sig:

2003 chevy duramax

4in mbrp exhaust

Id get the transmission built from Suncoast. That why you know its build right and built to there specs.



Luke -

And it is warrantied -

redneckbuckeye's Sig:

Nate
2006 2500HD LBZ D/A ext cab Greystone metalic- autometer z-series pyro and boost gages- Egr blocked and fingered- turbo back 4" MBRP, with muffler delete pie exhaust(lost kitty )
265/75/16 Firestone destination MTs . Tie rod sleevesPPE hot+2
Coming soon BD Max flow lift pump

if you buy a complete trans from suncoast it should be warrantied -

2500HeavyDuty's Sig:

The Original LB7
EFI LIVE, Suncoast IV, AirDog, Banks Intake, Mbrp Exhaust, Ranch hand bumper replacements, H2 wheels with 35's, and some secret squirrel stuff
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YUP -