Finally got my MHI installed..
#1
Finally got my MHI installed..
So I finally got my MHI installed and wow what a difference! Boost holds all the way to 26psi! She's making 375hp on e85 on a mustang dyno. Still waiting on the printout from the dyno run. I got some questions though..
1) my tuner tried to keep it conservative on a stock bottom, but I think it can make more power. My last dyno from a different tuner also made 375 but at 29psi. Why the same hp with slightly bigger turbo? I told my tuner I'm looking for at least 400hp., do able?
2) I have an QTP exhaust cutout and when it's open half way I can hear the turbo whistle like a supercharger and it's actually nice! But is it normal? Didn't hear the whistle on the stock turbo.
3) I'm getting a lot of backfire from the tail end. I've had it before and don't really think nothing Of it but now with downpipe+test pipe I'm staring to hear it more. Is it bad for the engine/turbo on the long run?
1) my tuner tried to keep it conservative on a stock bottom, but I think it can make more power. My last dyno from a different tuner also made 375 but at 29psi. Why the same hp with slightly bigger turbo? I told my tuner I'm looking for at least 400hp., do able?
2) I have an QTP exhaust cutout and when it's open half way I can hear the turbo whistle like a supercharger and it's actually nice! But is it normal? Didn't hear the whistle on the stock turbo.
3) I'm getting a lot of backfire from the tail end. I've had it before and don't really think nothing Of it but now with downpipe+test pipe I'm staring to hear it more. Is it bad for the engine/turbo on the long run?
#2
EvoM Guru
iTrader: (1)
1, more power may be available. But it's hard to say what the car actually made because it a mustang dyno.
2 and 3 are normal.
2 and 3 are normal.
#3
Was your last tune on a mustang dyno also? I know most full bolt on e85 gsr make about 350s on a real mustang dyno? The MHI is a great turbo and u might be able to get more out of it running it at 28psi tapering to 22 all depends on ur tuner tho!
#5
Just talk to your tuner and see what he feels is best! A friend of mine is doing 400 on a stock clutch at 80k now but he never launches it and is running 1D1300 with a Wally 450 which is what really allowed him to get their .
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#8
Make a plan first for what your goals are for the car and then decide what parts you need and go from their. Skip cobb and get a tactrix cable, much better and also look into a turbo kit if you have big hp plans and save some money instead of buying parts twice
#9
#10
what other parts dop you have did you only get the turbo and that other part you talked about.. pelase make a fine list so we can determine and mustang dyno run lower so numbers dont really matter tbh because nwo you are at a lower psi which is safer unless you wanna blow up
#12
Evolving Member
I have an MHI with supporting mods on E85 and made 414 hp/355 tq on a mustang dyno w stock block at 30 psi. Search my posts and you can find the dyno sheet. Kept the torque down for longevity sake, but I only put 1-2k miles on it a year.
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