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Why is my car setup so laggy

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Old Nov 25, 2010, 02:14 PM
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Why is my car setup so laggy



why is my setup so laggy?

mods

ets equal length 6235 turbo kit .82 turbine housing=fs635

magnus v5

milspec ported throttle body

ported head with oversize valves

fp4r cams

ets 4.5 inch intercooler with 2.5 inch pipes

4bar map sensor

grimspeed ebc
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Old Nov 25, 2010, 02:45 PM
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Originally Posted by bigturboevo80



why is my setup so laggy?

mods

ets equal length 6235 turbo kit .82 turbine housing=fs635

magnus v5

milspec ported throttle body

ported head with oversize valves

fp4r cams

ets 4.5 inch intercooler with 2.5 inch pipes

4bar map sensor

grimspeed ebc
thats why.
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Old Nov 25, 2010, 02:48 PM
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Originally Posted by n2oiroc
thats why.
The manifold doesn't but that a bit laggy sometimes it also depends on how they load up the dyno to read it can cause this..IS this a 8 or 9??
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Old Nov 25, 2010, 02:51 PM
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journal bearing precisions are laggy, put it in a bigger housing and its uber laggy.
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Old Nov 25, 2010, 03:02 PM
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ball bearing garrett center section 6262 compressor wheel. garrett gt35r turbine wheel.
Last edited by bigturboevo80; Nov 25, 2010 at 03:05 PM.
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Old Nov 25, 2010, 03:05 PM
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Originally Posted by bigturboevo80
ball bearing garrett center section.
there goes my theory. is the wastegate recirculated or do you have dump tubes?
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Old Nov 25, 2010, 03:06 PM
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Originally Posted by EVO IXMR
The manifold doesn't but that a bit laggy sometimes it also depends on how they load up the dyno to read it can cause this..IS this a 8 or 9??
ix
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Old Nov 25, 2010, 03:14 PM
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post more info like built motor, what it was tuned with, etc.
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Old Nov 25, 2010, 03:20 PM
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Look at kouzmans graph. Hes on the same turbo, less power mods, less boost and more laggy.

look at the graph in post 11.

https://www.evolutionm.net/forums/ev...-pull-vdr.html
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Old Nov 25, 2010, 03:21 PM
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Originally Posted by n2oiroc
post more info like built motor, what it was tuned with, etc.


its a drop in piston and rod motor. tuned on the stock ecu.
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Old Nov 25, 2010, 03:45 PM
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i bet that lag will be much milder with a 2.3 stroker kit but nevertheless .82 a/r will be laggy
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Old Nov 25, 2010, 04:03 PM
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Its the tune..
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Old Nov 25, 2010, 04:17 PM
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Why do you think its the tune? Did you see the link I posted above of kouzmans car.
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Old Nov 25, 2010, 04:20 PM
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Last edited by bigturboevo80; Nov 25, 2010 at 04:23 PM.
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Old Nov 25, 2010, 04:31 PM
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Im going to chalk it up to the turbo. I had the same issue on my sti. Precision turbo was horribly laggy. Swapped to a real gt35r and problem solved. Changed nothing else.

Precision


Garrett
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