Megatron Meets TSCOMP Tune = Winning Combination
Levar,
Do you have the big flapper (billet wga) turbine housing? We have had some reports of those housings spooling slower even with the stiffer actuator, would you be interested in trying our current housing before ditching the EF4?
Do you have the big flapper (billet wga) turbine housing? We have had some reports of those housings spooling slower even with the stiffer actuator, would you be interested in trying our current housing before ditching the EF4?
i found the ef4 to spool similar to a t3 hx40 setup when compared. the fp black just spools quicker.. not much more to say really. you cant compare a black to a ef4. they are just to different... and thats a good thing.. because we want a variety of options in the community.
here is a cut of a graph of mine from 2010 showing spool with a journal bearing fp black.. this is with a mbc turned all the way down on wastegate preloaded.. the car hit 31psi.. just giving you an example of how quick a black can hit on a 2.3
you never loaded your car up from 2000ish rpm either and gave the turbo time to spool..
when you start later in the rpm range its gonna always hit peak tq later as well.. so yours
will spool alittle sooner then the graphs represent of course.
also keep in mind.. cams, intake manifold, and exhaust manifold all play a critical roll in spool and early response.. that above graph was with all OEM parts with port work. minus the cams.. the cams were kelford 272.
here is a cut of a graph of mine from 2010 showing spool with a journal bearing fp black.. this is with a mbc turned all the way down on wastegate preloaded.. the car hit 31psi.. just giving you an example of how quick a black can hit on a 2.3
you never loaded your car up from 2000ish rpm either and gave the turbo time to spool..
when you start later in the rpm range its gonna always hit peak tq later as well.. so yours
will spool alittle sooner then the graphs represent of course.
also keep in mind.. cams, intake manifold, and exhaust manifold all play a critical roll in spool and early response.. that above graph was with all OEM parts with port work. minus the cams.. the cams were kelford 272.
Thread Starter
Joined: Nov 2005
Posts: 2,438
Likes: 6
From: Central Texas
No sir, I do not. I have the "older" version of the EF4. When I sent it back, I only received the Turbo Smart actuator and MAP compressor housing. I wish it were possible to try out the new flapper but I have already sent the turbo to its new owner. He wants to push the EF4 beyond 650whp+ and I told him that he can easily do that with the EF4. This is/was why I contacted you about needing the EF3 as I do not like my car being deadlined for long periods of time.
Evolving Member
Joined: Oct 2010
Posts: 174
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From: chicago
Wanguru, this is not a FP Black comparison thread. Before I know it, there will be others throwing in their FP Black "spool" results and that is not what I am after. Do not take that the wrong way. I am just trying to keep things on topic.
I am trying to decide what turbo to go with aside from the EF4 as its lag was too much for me.
Thread Starter
Joined: Nov 2005
Posts: 2,438
Likes: 6
From: Central Texas
I think he sold it already Chris. I have the billet wta I may be interested. What is the difference in housings?
If you had the TS actuator then you're turbine housing was replaced as well, you should have been seeing 20psi around 3800rpms and full boost pre 4500 with a 2.4L
Last edited by ChrisCarey; Jul 18, 2012 at 02:43 PM.
Thread Starter
Joined: Nov 2005
Posts: 2,438
Likes: 6
From: Central Texas
Thread Starter
Joined: Nov 2005
Posts: 2,438
Likes: 6
From: Central Texas
No, sir. That is not what I am saying. When I pulled the car up to Archie's last week, he said that car had an exhaust leak. He did mention that the flapper on larger stock-frame turbos will not completely close. If this is the case (which I cannot verify now), then I totally understand the decrease of performance (without question, 100%). It would also explain why I initially thought my lifters needed to be replaced as it sounded similar when the car was at idle.
Thread Starter
Joined: Nov 2005
Posts: 2,438
Likes: 6
From: Central Texas
Oh the "preload" word. I wish someone could explain this Barney-level to me or show me somewhere I can read it myself. I do not do the installations and I am sure that Archie will know the deal.
i was referring to jeff's high compression 2.0L Brian. remember when i overlayed his ontop of scotts hx40 graph and it was pretty much dead on?
as you said, we cant compare your car because im doing boost control on it so it doesnt hurt your rods.
Levar.. ya i know i said to start them at 3000rpm. it would hit sooner if you started around 2500.. also exhaust leaks pre turbine housing are horrible and will hurt spool badly also. if it was after the turbine housing though it wont hurt anything.
just for some comparison heres jeff's high comp 2L with a ef4 e85 vs your e85 pull for response comparisons.
jeff in red yours in blue.
your 2.4L is still showing its muscles. (jeff obviously had older hardware though.. map didn't even offer the turbosmart stuff back then).
as you can see, the 2.4 vs the 2.0.. the more displacement spooling the turbo faster is giving you 100wtq more at 4000RPM.. which is massive.
as you said, we cant compare your car because im doing boost control on it so it doesnt hurt your rods.
Levar.. ya i know i said to start them at 3000rpm. it would hit sooner if you started around 2500.. also exhaust leaks pre turbine housing are horrible and will hurt spool badly also. if it was after the turbine housing though it wont hurt anything.
just for some comparison heres jeff's high comp 2L with a ef4 e85 vs your e85 pull for response comparisons.
jeff in red yours in blue.
your 2.4L is still showing its muscles. (jeff obviously had older hardware though.. map didn't even offer the turbosmart stuff back then).
as you can see, the 2.4 vs the 2.0.. the more displacement spooling the turbo faster is giving you 100wtq more at 4000RPM.. which is massive.
Last edited by tscompusa; Jul 18, 2012 at 06:41 PM.
Based on my results I think you will love the stock 9 turbo. If I was able to afford it I would love to try a BB HTA Green. I will not run a JB small turbo as I feel a 2.4 will kill the bearing section pretty quickly trying to feed the larger motor on kill. I think it would run like a stock turbo on steroids!