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MikeP · 02-07-08, 01:50 PM

How much torque do you want to put through the box? The Renault UN1 (usually from Renault 21 Turbo - strongest/best ratios) will take quite a lot as standard but it can be upgraded to take some serious grunt.
The Porsche turbo boxes are very strong. Ultima use them with strong Chevy engines in their GTR sportscar and sell a version with over 700hp (soon to be 800hp!) which is the current 0 - 100 - 0mph challenge record holder ( video on U Tube). Bellhousings are available as well for chevy.
The new ZFQ will take 600hp/500+ torque but will be around £6,500. Also do Chevy bellhousings.
Once you know what power/torque you want you can decide what will do the job and then raid the bank account.
Cheers
Mike

02-07-08, 01:50 PM	#3 (permalink)
MikeP MikeP 2 Tenths Join Date: Dec 2005 Location: Oldham England GT40: GTD + GTD Posts: 225 Rep Power: 5	Re: UN1 questions. How much torque do you want to put through the box? The Renault UN1 (usually from Renault 21 Turbo - strongest/best ratios) will take quite a lot as standard but it can be upgraded to take some serious grunt. The Porsche turbo boxes are very strong. Ultima use them with strong Chevy engines in their GTR sportscar and sell a version with over 700hp (soon to be 800hp!) which is the current 0 - 100 - 0mph challenge record holder ( video on U Tube). Bellhousings are available as well for chevy. The new ZFQ will take 600hp/500+ torque but will be around £6,500. Also do Chevy bellhousings. Once you know what power/torque you want you can decide what will do the job and then raid the bank account. Cheers Mike