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Old November 12th, 2004, 02:54 PM
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Russell Newton
97 D-90 sw
Join Date: Oct 2004
Location: Jacksonville Florida
Posts: 213
Boosting my horsepower

I know there probably isn't anything out there short of an engine transplant to increase the output on my 4.0 but just in case i wanted to know if you guys knew of any products that might help me get a little bit more out of my engine. Anything that will improve it in any way cooling, hp, torque, smoothness, throttle response, mpg's, anything! After this I will try to keep the stupid questions to a minimum!
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Old November 12th, 2004, 03:22 PM
Eric Siepmann
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Eric W. Siepmann
1997 Defender 90 SW
Join Date: Dec 2003
Location: Chicago, IL, Cook
Posts: 883
Not much. I have a K&N and a stainless manifold back exhaust. Didn't realy produce any significant gains.

You could search on re-chips and make a choice there as well. Can't offer any insight as I don't have one. You could also re-gear you R&P for some added oomph and upgrade your diffs and axles while you're at it...

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Old November 12th, 2004, 03:24 PM
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Mike Hippert
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94 D-90 Grinding Rover
Join Date: Sep 2003
Location: Manchester NH USA
Posts: 4,789
Take all that extra junk that we all keep in the back out! My 90 felt like a sports car when I removed everything except the drivers seat when I Hurculined the interior. Synthetic fluids help some. Cleaning all the mud off of it helps reduce weight and drag. Don't you think 185 hp is enough?
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first then ask questions later! The loose nut behind the wheel
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Old November 16th, 2004, 01:18 PM
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Mike Hammond
110 200Tdi and a 2005 Scorpa SY250
Join Date: Oct 2003
Location: Oxted, Surrey, England, U.K
Posts: 1,756
New lumpier cam, solid lifters, 4 branch headers, free flow exhaust.....
Mike Hammond
Diesels.....great when they're going and so easy to work on.
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