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Jan 17, 2010 | 09:58 PM

smokedout

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Diesel Enthusiast

Joined: Dec 2008

Posts: 286

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From: cumby,TX

Top speed

Well I raced a hemi half ton the other day and I had him the whole tim up until 95 mph. He blew right by me.What all will help my top end speed? I know I need a 3000 gsk but what else can I do?

Jan 17, 2010 | 10:16 PM

ArizonaRedneck

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Joined: Oct 2009

Posts: 4,366

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From: arizona

what is your gear ratio on that truck

and what rpm was you at

Jan 17, 2010 | 10:19 PM

lodal cummins

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Joined: Aug 2009

Posts: 462

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From: portland oregon

yeah the 3000gsk would help alot as well as timing advance

Jan 17, 2010 | 10:22 PM

cummins95

Diesel Wrench

Joined: Apr 2009

Posts: 772

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From: Sullivan County, PA

the gsk will help ya. my truck used to only do about 90 n that was askin alot. now i can get up around 105 n i dont go above 3 grand

Jan 17, 2010 | 10:46 PM

smokedout

Thread Starter

Diesel Enthusiast

Joined: Dec 2008

Posts: 286

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From: cumby,TX

How much do yall think a performance shop will charge me to put the gsk kit in?

Jan 17, 2010 | 11:53 PM

dieseldocter16

Diesel Wrench

Joined: Aug 2008

Posts: 770

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From: Schnecksville, Pa

You can lower your rear end ratio but I'm not sure if you tow. Or you could get a gear vedors over drive. It dosent matter what you do to the motor if you run out of gears.