Would a worn throttle cable hurt power?
03-28-2006, 10:43 PM
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Would a worn throttle cable hurt power? I got on the dyno (Dynojet) last night after shop hours (gotta love free dyno runs with wideband 
) to test the air/fuel. Out of 3 runs, the most it put down was 327rwhp SAE corrected with a perfect air/fuel tune at 12.9-13/1 from 4000rpm and up. The last time I was on the dyno, the car put down 340rwhp/351 ft lbs SAE running slightly leaner and with old plugs (TR-55's gapped at .055). Since that last run I put in new NGK TR-55's with the same gap and Seafoamed the engine.
The reason I think the throttle cable may be at issue here is that it is very loose feeling if you move it, and I've been getting lazy throttle response lately. Last time I had the intake assembly off to change a knock sensor, I noticed at WOT position, the throttle blade is not horizontal but at about 15 degrees from it. Isn't the blade supposed to be at a flat 180 degree angle at WOT? Has anyone had any of these issues before from worn cables? I tried a new TPS with no luck. The car has 95k on it. thanks in advance
Jason
) to test the air/fuel. Out of 3 runs, the most it put down was 327rwhp SAE corrected with a perfect air/fuel tune at 12.9-13/1 from 4000rpm and up. The last time I was on the dyno, the car put down 340rwhp/351 ft lbs SAE running slightly leaner and with old plugs (TR-55's gapped at .055). Since that last run I put in new NGK TR-55's with the same gap and Seafoamed the engine.The reason I think the throttle cable may be at issue here is that it is very loose feeling if you move it, and I've been getting lazy throttle response lately. Last time I had the intake assembly off to change a knock sensor, I noticed at WOT position, the throttle blade is not horizontal but at about 15 degrees from it. Isn't the blade supposed to be at a flat 180 degree angle at WOT? Has anyone had any of these issues before from worn cables? I tried a new TPS with no luck. The car has 95k on it. thanks in advance
Jason
