Any engine output difference for diff EVO X trims
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Evolving Member
Joined: Sep 2009
Posts: 298
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From: Plano, TX, US
320wtq on that dynapak (under 300wtq on our Mustang, proven) is far and away from the actual clutch discs limits...
You are seeing software / stock rom tune limitations.
Some actual data I can share is we had a 2008 MR (BBX equipped) at 390whp/340wtq running for a bit, owner upgrade to SSP discs for future proofing and the stock discs looked brand new still when they came out.
Also have a FPgreen equipped with meth injection @ 26psi with no clutch slipping after tuning it out.
Have a bunch of other MR's running around with about the same power/trq with no issues of slipping.
However most MR's do hit the stock tune limit with mild mods and the clutches will slip, until you tune it out.
The stock discs need to get more credit then they currently do...
- Bryan
You are seeing software / stock rom tune limitations.
Some actual data I can share is we had a 2008 MR (BBX equipped) at 390whp/340wtq running for a bit, owner upgrade to SSP discs for future proofing and the stock discs looked brand new still when they came out.
Also have a FPgreen equipped with meth injection @ 26psi with no clutch slipping after tuning it out.
Have a bunch of other MR's running around with about the same power/trq with no issues of slipping.
However most MR's do hit the stock tune limit with mild mods and the clutches will slip, until you tune it out.
The stock discs need to get more credit then they currently do...
- Bryan
Thanks!
Properly tuned they can make the same power mod for mod. So far the BBX record holders on our dyno on 91 octane are all MR's. The MR also has the advantage in acceleration in that they do not drop boost between shifts whatsover.
Of course once you get to higher level builds the trans needs a bit more work, but for 80% of owners and mod levels they work just fine.
- Bryan
Last edited by GST Motorsports; Aug 14, 2010 at 09:50 PM.
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