potential tuning needed?
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Joined: May 2003
Posts: 663
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From: Runnin' from the Reaper
Car: 91 B4C/91 RS 305
Engine: L98 and L03
Transmission: 2xTH700R4
Axle/Gears: 3.23 LSD/2.73 Open
potential tuning needed?
So i have to get some valve work done soon. my l98 is jumping between 15-20"hg when i run a vacuum test. chances are I'm looking at either a bad valve, damaged seat, or carbon buildup. what I'm looking at doing is throwing some 2.02/1.60 valves in the stock heads then getting a decent bowl blend but first I want to know if this would require some computer tuning or not since the cam isn't being changed. car is a 91 With a 350 and speed density.
Last edited by darkhorse91; Feb 27, 2011 at 11:34 AM.
Thread Starter
Senior Member
Joined: May 2003
Posts: 663
Likes: 1
From: Runnin' from the Reaper
Car: 91 B4C/91 RS 305
Engine: L98 and L03
Transmission: 2xTH700R4
Axle/Gears: 3.23 LSD/2.73 Open
Re: potential tuning needed?
edited to add some more pertinent information
Senior Member
Joined: Nov 2006
Posts: 672
Likes: 1
From: Camden, MI
Car: 1985 IROC-Z28
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.73
Re: potential tuning needed?
even a dead stock motor can benefit from some custom tuning...
if you can get a good datalog, you'll know if your fueling is off or if you're experiencing excessive KR, both of which more or less require tuning(unless you play with the FPR or adjust the timing mechanically).
if you can get a good datalog, you'll know if your fueling is off or if you're experiencing excessive KR, both of which more or less require tuning(unless you play with the FPR or adjust the timing mechanically).
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