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Post by Jimmu on Nov 17, 2006 21:08:27 GMT 11
Just got back from spending the day at Chapmans Performance Dyno Tuning with Franc and Tina, having the little beast tickled and tuned. ;D is about the right dimensions for the grin on my face!  I think the figures speak for themselves... But if they dont: The thing Farking flies! Now to get a pyro fitted so I know how long I can hold it flat! Jimmy |
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Post by dasnoboarder on Nov 18, 2006 5:51:41 GMT 11
Boost & fuel increase?
What major things did they do?
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Post by Jimmu on Nov 18, 2006 15:11:13 GMT 11
Rob increased the boost and fuel to match and advanced the pump timing slightly.
It was running 10PSI and Fuel at 22:1 and is now running 16PSI (Spikes to 17 for a tiny bit) and fuel ratio of about 17.5:1.
Other than that it has 2.5" Mandrel Bent Exhaust with Dump Pipe, Top Mount Intercooler with thermo fan, Uni Filter and has the EGR system removed.
Jimmy
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Post by francesco on Nov 19, 2006 0:51:43 GMT 11
Heres Mine   Prior to dyno was 78HP |
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Post by mudgrip4 on Nov 19, 2006 11:19:29 GMT 11
Just remember the hp reading from dyno is from back wheels and will be about 70-75% of actual hp achieved at the motor. Loses about 25-30% through drivetrain. So if your dyno reading is now 100hp, your motor will have about 133-135hp at flywheel now. Plenty to have fun with.
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Post by francesco on Nov 19, 2006 12:25:16 GMT 11
The Dyno guy said I also loose about 20% due to my aggressive Mud tyres ....and there 32"
31" At's would be interesting...lol
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Post by Graham on Nov 19, 2006 16:26:32 GMT 11
Wow, the impressive thing there is that you have a 50% power gain at 1600rpm!
Jimmy got 100% more power at the same RPM (must have been out of tune or they didn't quite have their foot on the accelerator)
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skip
Isuzu Junior
------1992 MU 2.8TD------
Posts: 107
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Post by skip on Dec 1, 2006 22:55:54 GMT 11
Cool, How much did it set you back to have it DYNO tuned, if you dont mind me asking?
cheers
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Post by Jimmu on Dec 1, 2006 23:08:27 GMT 11
I think it was $180. He spent more than 2 hours on each truck.
Jimmy
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skip
Isuzu Junior
------1992 MU 2.8TD------
Posts: 107
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Post by skip on Dec 1, 2006 23:13:28 GMT 11
Thanks mate.
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tealz
Isuzu Baby
Posts: 48
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Post by tealz on Oct 6, 2007 3:44:13 GMT 11
Does anyone know of a tuning shop in Auckland that will do this sort of work?
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Post by geeves on Oct 6, 2007 13:17:30 GMT 11
Interesting how it drops after 3500.
Still looks impressive
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Post by Jimmu on Oct 9, 2007 21:02:36 GMT 11
I thought it was damn good to have 90% of max power from 2100 to 4000 rpm!
Jimmy
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