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Mark Crowe Mark Crowe is offline
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Join Date: Apr 2007
Location: South Africa
Posts: 83
930 3 litre Twin Turbo upgrade

I am considering fitting twin turbos to my 1977 3.O Litre . The motor was rebuilt stock about 15 000 KM, ago, but has not been used for 3 years.

The injection system is acting up, I believe there maybe some moisture issues in the WUR, so thought is to strip all the K Jetronic kit off, fit a new Motech type system and go to 2 smaller turbos and an intercooler in plaice of the stock ( new ) kkk turbo. Questions are- what turbo make and spec to go for, do fuel pumps need up rating, size of injectors required, what type of throttle body should I look at?

Aiming for a rebilkbe 300 HP, to kick in lower down that the existing set up, which has a lot of lag, do not really want to redo pistons etc at this point, but will change to SC cams and hydraulic tensioners.

Any inputs or comments will be much appreciated.
Old 04-29-2007, 02:10 PM
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