Got the XR dynoed today - passable result :S - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 50 (permalink) Old 09-30-03, 01:13 AM Thread Starter
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Got the XR dynoed today - passable result :S

as the topic says, i got my car dynoed today to try and find out why it dies in the ass after 4600rpm. (as in, will not accelerate at all)

they found that the air/fuel ratio under full throttle was pegged at about 10:1, far richer than it should be (ideally about 12 or so to 1) but could not find a reason, they changed the 02 sensor and the TPS, checked for codes, fuel pressure etc, all to no result (they swapped with spares they had, i was not charged for that) and spent a fair bit of time on the car to try and fault it, current guess is that the computer is FUBAR, which confirms my suspicions.

the car was dynoed at Redcliffe performance and im very happy with them, they spent quite a while on the car, fiddling with it and stuff, and i was only charged the standard rate for one hour, was also very very impressed at the dyno sheets they have for their XR6T - 590hp at the wheels with a stock motor and stock turbo, not sure how much boost though, but measured on an independant dyno, so its not a bullsh!t figure, they also hold the WORLD RECORD for the fastest cleveland powered car, something like 8.8 seconds for the quarter - good stuff!




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post #2 of 50 (permalink) Old 09-30-03, 01:19 AM
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Re: Got the XR dynoed today - passable result :S

just for my sake whats that in rwkw?

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post #3 of 50 (permalink) Old 09-30-03, 01:26 AM Thread Starter
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Re: Got the XR dynoed today - passable result :S

i think its about 129.something, you divide by 1.3

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post #4 of 50 (permalink) Old 09-30-03, 01:35 AM
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Re: Got the XR dynoed today - passable result :S

1 kilowatt = 1.341022 horsepower

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post #5 of 50 (permalink) Old 09-30-03, 02:29 AM
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Re: Got the XR dynoed today - passable result :S

126 rwkw's
hope I get that,and I have a 5.0.
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post #6 of 50 (permalink) Old 09-30-03, 02:31 AM
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Re: Got the XR dynoed today - passable result :S

Kilowatts =H.P x0.746

So 125.999 KW
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post #7 of 50 (permalink) Old 09-30-03, 02:49 AM
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Re: Got the XR dynoed today - passable result :S

not too bad for a six mate....

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post #8 of 50 (permalink) Old 09-30-03, 03:15 AM
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Re: Got the XR dynoed today - passable result :S

Reminds me when I got mine down and i had 90kw at the rears, but it doesn't explain teh 0-100 in 7.7sec or the fact I keep up with 5.0 V8s... I'd say the old dyno was stuffed.

256rwkw @ 1920kgs
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post #9 of 50 (permalink) Old 09-30-03, 03:19 AM
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Re: Got the XR dynoed today - passable result :S

Did you change the map senser ?? Suspect its that!!!
Is hose from manifold to map in good nick, no leaks etc ???

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post #10 of 50 (permalink) Old 09-30-03, 03:20 AM
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Re: Got the XR dynoed today - passable result :S

Its not to good for the mobs youve done Rollin, hope you find the problem.
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