Roush RH420023 M90 Supercharger Kit
#21
do the install yourself. the hardest part of the install is cutting the CMCV crap off and soldering 2 leads for the boost bypass valve on.
I know you guys are wanting to retain your warranty, but I highly suggest you get a tune on that motor. Just tuning alone will get you nearly +30 RWHP on the stock pulley. There is a ton of improvement to be made on the Roush tune. It kinda sucks IMO (aka extremely safe)
even if you don't touch the air/fuel parameters...get the boost bypass control tweaked. mine was set to shut at 70-80% throttle. moving that down to 20-30% would be more ideal IMO.
I did the install over a weekend in my driveway. my twins were 2 weeks old at the time so I had to stop every 2-3 hours to feed them. I've installed lift kits that were harder to do
once you get those 2 wires soldered, the rest is a simple remove and put new into place. Roush is extrememly quick getting the PCM back as well. i shipped mine out on a Saturday from HAWAII and it got back to me on Tuesday morning. They even called me up on Sunday and verified the info and made sure the Warranty stuff was filled out properly. If that ain't customer service, I don't know what is. That is 1 of the biggest reasons I am going to use the M90 blower again.I know you guys are wanting to retain your warranty, but I highly suggest you get a tune on that motor. Just tuning alone will get you nearly +30 RWHP on the stock pulley. There is a ton of improvement to be made on the Roush tune. It kinda sucks IMO (aka extremely safe)
even if you don't touch the air/fuel parameters...get the boost bypass control tweaked. mine was set to shut at 70-80% throttle. moving that down to 20-30% would be more ideal IMO.
Last edited by Tylus; 05-30-2010 at 03:35 PM.
#22
#23
#24
Sounds about right. You really should go on a dyno just to verify air fuel ratio.
#25
Yeah, honestly i didn't bother because this is the same tune Roush runs on all its 427r cars, they don't dyno each of them so it's very safe. Also, it's important to know there is no cutting on the kits for the 10's. it's all plug and play for the 10's no supplemental kits to buy or anything. And again, if you have a 10 and want the warranty you can't install yourself. Unless that is you are an ASE certified mechanic. Oh, and I will get a dyno tune as soon as the warranty expires along with a new pulley and a CAI. I have a goal of 450whp set, roush says 480 for stock block is max and i figure they would know.
#26
Also, it's important to know there is no cutting on the kits for the 10's. it's all plug and play for the 10's no supplemental kits to buy or anything.
And again, if you have a 10 and want the warranty you can't install yourself. Unless that is you are an ASE certified mechanic
And again, if you have a 10 and want the warranty you can't install yourself. Unless that is you are an ASE certified mechanic
as for the Warranty...I had it...and I did the install myself. I too thought the warranty would be voided, but even after I told them I did the work myself, they gave me it. Maybe I got lucky
#27
#30
no. on a street car you will never see the kind of action that a STB will be usefull in. Only on a track. they look nice though.
and if you really want to keep the STB, you can install urethane motor mounts to improve performance and drop the motor about 1/2"...and then the blower + STB will fit fine.
although I've seen STB's with the Roush & E-force blower. so it may fit without the motor mount
and if you really want to keep the STB, you can install urethane motor mounts to improve performance and drop the motor about 1/2"...and then the blower + STB will fit fine.
although I've seen STB's with the Roush & E-force blower. so it may fit without the motor mount