Evo X bolt on Garrett GT30R turbos
Well, I had some other ideas of what the problem may be...do any of you know if the MAF can be malfunctioning without throwing CELs?
I know this is going to sound stupid...but the MAF housing was dropped on the shop floor while installing a cone filter prior to the dyno. Could this be the possible cause for all of my problems? The car isn't throwing any codes...just acting like the ECU is completely confused.
I know this is going to sound stupid...but the MAF housing was dropped on the shop floor while installing a cone filter prior to the dyno. Could this be the possible cause for all of my problems? The car isn't throwing any codes...just acting like the ECU is completely confused.
It might be wise to look at the pistons from the scope, particularly if you guys can hear audible detonation.
I am not saying it correlates directly, but when my VIII's 4G63 did like this, the symptoms were identical (major power loss, audible detonation in higher power band that could not be tuned out no matter what I tried). It turned out that car had a hairline crack in the #1 piston.
It should only take 5 minutes to check.
I am not saying it correlates directly, but when my VIII's 4G63 did like this, the symptoms were identical (major power loss, audible detonation in higher power band that could not be tuned out no matter what I tried). It turned out that car had a hairline crack in the #1 piston.
It should only take 5 minutes to check.
It might be wise to look at the pistons from the scope, particularly if you guys can hear audible detonation.
I am not saying it correlates directly, but when my VIII's 4G63 did like this, the symptoms were identical (major power loss, audible detonation in higher power band that could not be tuned out no matter what I tried). It turned out that car had a hairline crack in the #1 piston.
It should only take 5 minutes to check.
I am not saying it correlates directly, but when my VIII's 4G63 did like this, the symptoms were identical (major power loss, audible detonation in higher power band that could not be tuned out no matter what I tried). It turned out that car had a hairline crack in the #1 piston.
It should only take 5 minutes to check.
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From: The big wide world
Its killing you guys waiting so here is something to talk about !!!Well we got the chance to test a new product so we did what was asked and put it on our dyno test car and took it to the dyno .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
Last edited by evo400; May 26, 2009 at 12:24 PM.
Its killing you guys waiting so here is something to talk about !!!Well we got the chance to test a new product so we did what was asked and put it on our dyno test car and took it to the dyno .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
280+ whp on a dyno dynamics! What other mods does it have?
Sorry if I put unnecessary fear in you.
Its killing you guys waiting so here is something to talk about !!!Well we got the chance to test a new product so we did what was asked and put it on our dyno test car and took it to the dyno .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
Boost control on theses new turbos is a little strange as far as the pre load required to hold boost is higher than seen on the stock evo x turbo system .The wastegate valves is a larger diameter and is requiring more preload .
The graph show a stock car on V-power 99 octane UK fuel and also the first tune on the new Garrett GT3076R . On the stock actuator with as much preload as possible it peaked at 1.8 bar droppping to just 1.55bar at peak power . This motor and turbo are very very efficent and are working very well from turbo speeds we logged with the Motec.We have a range of new actuators to test to see where we need to be with preload so I fully expect well over 500hp as a target and a real goal most can achieve with simple well planned modifications .
Any questions please ask .
What does it make in standard WHP (not in shootout mode?) ~370whp or so?
I would have expected a bit more out of 99 octane. I'd really like to see 400-420 with race gas and full exhaust on stock cams.
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Joined: Aug 2002
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From: The big wide world
You need to remember we only had the stock actuator on the dyno so a revisit this week will yeild some better torque and hp figures with a higher preload . 500hp is a easy target on pump fuel on this turbo . Race fuel has no relevance in our test program, sure it will give some good numbers tho !! .