300+whp 2002 miata custom turbo kit project
05-06-2014, 01:13 PM
#102
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Join Date: May 2014
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Very interesting build and amazing fabrication skills.
I just recently bought a 2003 miata and am contemplating on putting a turbo onto it as well
300whp is a goal I am shooting for as well, my question to you is did you use a cometic headgasket (mls) and arp studs? I read as much as I could but did not notice you mentioning anything about that anywhere. Thanks
I just recently bought a 2003 miata and am contemplating on putting a turbo onto it as well
300whp is a goal I am shooting for as well, my question to you is did you use a cometic headgasket (mls) and arp studs? I read as much as I could but did not notice you mentioning anything about that anywhere. Thanks
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05-08-2014, 12:19 PM
#107
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Those are some pretty awesome figures, I'd be interested in watching how long it lasts!
I plan to run my block on a flat torque curve with an upward slope in torque past 5.2k - if it blows it blows.
I personally don't buy the MBT thing unless you accidentally ran e85 or the engine had been worked. On UK 98ron we're det limited on every setup I tune at this level.
I plan to run my block on a flat torque curve with an upward slope in torque past 5.2k - if it blows it blows.
I personally don't buy the MBT thing unless you accidentally ran e85 or the engine had been worked. On UK 98ron we're det limited on every setup I tune at this level.
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05-08-2014, 02:48 PM
#108
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Nothing was changed in the block so no studs or headgasket
I dont force anyone to by the fact that i it mbt. All i can say is that i had to give it 5-6 more degrees before i start to hear knock with the det cans and with 5-6 deg more advance i was loosing around 10-12 whp
Maybe you are always knock limited at those power levels but i bet you need more than 12psi to break the 300whp mark too.
I dont force anyone to by the fact that i it mbt. All i can say is that i had to give it 5-6 more degrees before i start to hear knock with the det cans and with 5-6 deg more advance i was loosing around 10-12 whp
Maybe you are always knock limited at those power levels but i bet you need more than 12psi to break the 300whp mark too.
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05-15-2014, 01:38 PM
#109
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Interesting build! I'm currently in the process of tuning my 2002 Miata with a IHI mazdaspeed turbo setup. I am also using an AEM FIC with the boomslang harness. The car is running but really needs to be dialed in.
Would you mind posting your Cal File so i can compare your configuration to my Fuel, ignition, 02 map?
also, thanks for telling me about the additional 250 ohm resistor that needs to be wired into the boomslang.
Would you mind posting your Cal File so i can compare your configuration to my Fuel, ignition, 02 map?
also, thanks for telling me about the additional 250 ohm resistor that needs to be wired into the boomslang.
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05-15-2014, 03:17 PM
#110
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Nothing was changed in the block so no studs or headgasket
I dont force anyone to by the fact that i it mbt. All i can say is that i had to give it 5-6 more degrees before i start to hear knock with the det cans and with 5-6 deg more advance i was loosing around 10-12 whp
Maybe you are always knock limited at those power levels but i bet you need more than 12psi to break the 300whp mark too.
I dont force anyone to by the fact that i it mbt. All i can say is that i had to give it 5-6 more degrees before i start to hear knock with the det cans and with 5-6 deg more advance i was loosing around 10-12 whp
Maybe you are always knock limited at those power levels but i bet you need more than 12psi to break the 300whp mark too.
Not talking **** here, just concerned about your motors health.
Keith
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05-19-2014, 01:06 PM
#111
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Keith I can assure you the det cans work pretty well because when you start hearing very little knock only by listening to the engine without the cans and than put them on It pops like crazy in them. Generally I start hearing knock with them around 2-4 deg before I can start hearing without them. These also help a lot when i tune loud cars or ones with external dump tube.
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07-04-2014, 03:12 PM
#115
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did ~ the same on a stock BP with 10:1 compression and a chrubo based on GT2860R
boost peak (7 psi) is around 3700 rpm
dunno the rwhp, cause here in sardinia we have not many dynos...
boost peak (7 psi) is around 3700 rpm
dunno the rwhp, cause here in sardinia we have not many dynos...
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10-11-2014, 01:42 AM
#117
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bump
We upped the boost to 16psi last week instead of the 12 on the dynosheet. 20k this summer on the engine and still perfect compression.
we'll trya quarter mile run on monday to see if we can manage a better time than we did at the beginning of the summer. (i hope for at least a better trap speed than 112 :s)
We upped the boost to 16psi last week instead of the 12 on the dynosheet. 20k this summer on the engine and still perfect compression.
we'll trya quarter mile run on monday to see if we can manage a better time than we did at the beginning of the summer. (i hope for at least a better trap speed than 112 :s)
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10-15-2014, 06:04 PM
#119
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finally didn't pulled good times on the quarter mile since we had some serious misfiring at 16 psi ... we had to bring it back to 9psi to avoid misfires. I think we are dealing with a dying coil since plug gap is already at .016 :s
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