ddogg777's forged F/I MP5 project

[ddogg777]

Okay, I thought I would try a new approach to this forum stuff. Please only post if you have a tip or something useful to say about the steps that I am or should be taking. I want this thread to be as clean as possible because lately I have been hearing about the forum having to much jibber jabber. I think this might be a great way to share info for each member's project.

I am currently assembling a forged block to drop into my P5 so that my Hiboost system with E6X will be comfortable going up to 25psi. I just received my JE 8.5:1 pistons from Perfworks last week and my engine builder has all my parts to balance the assemble and Oring the block for my RCC gasket. I chose not to overbore because I want to retain as much strength in the cylinder walls as I can. The JEs will pass the power via Pauter rods gliding on Toga Hi-performance main and rod bearings, all supported by ARP studs. The indigo flywheel is mated to a ACT SS clutch and then to the standard transmission with the upgraded fork and ring from 2003+. Also the Mazdaspeed LSD will be installed. I am seriously wondering if it's worth $150 to cryofreeze my transmission. Anyone?!

Right now, I have the Hiboost kit and my block will be milled and balanced for next week. Any tips with the engine swapping process or is there something I should take care of before the block is assembled?

 

[vindication]

evr think of overboring and slipping a titanium sleeve to make it stronger. has anyone done this? is it even neccesarry?

 

[PaulMP3]

Might want to look into coating the pistons to reduce noise. Im starting to aquire my parts now for the rebuild. Im curious as to how loud they really are, and how much the coating helps silence the noise. Im also considering a better radiator and im also adding an oil cooler.

Good luck

 

[Turbo Matty P]

I would take a CLOSE look into transmission cooling/upgrading. 25psi is crazy in this car. You'll never get it to hook up EVER. Also, most transmissions grenade around 250whp or so (last I hard). I'd plan on doing some serious suspension work, drag radials, beefier axels, LSD (quaiffe only), aluminum subframe bushings etc....You should be good to go....looks like you'll only need about $7 grand to do it.

 

[zmepro]

evr think of overboring and slipping a titanium sleeve to make it stronger. has anyone done this? is it even neccesarry?

I don't think that will make it significantly stronger, all it will do is cause possible problems with the titanium expanding at a different rate.

as for the cryo freeze, there is another memeber turbop5 mabye, who got the samething done. i don't think his car is running yet, but he seemed to know what he was doing. for only $150 it maybe worth it. I don't think our gears are all that tough.

 

[ddogg777]

I have been looking into coating the pistons by either Swaintech or hpcoatings. Swain comes recommended from other forum members.
I plan on using the Haltech EBC so that I can program the boost:rpm. If I were to go Quaife, I would have to upgrade all of the tranny to match it's strength; which is why I stuck with Mazda LSD. Axles will be put on hold for a while until I feel like I need them.
How can you cool a manual transmission? Does that mean installing an oil pump and drilling/tapping feed lines?

 

[azian6er]

dude, i just got my engine running last night and damn, those je's sound like a diesel engine no jk. Almost made me think something was wrong with my car.

-B

 

[Turbo Matty P]

Brian, dude, that sig pic is great!! If only you had a cone filter in your mouth!!

 

[azian6er]

Brian, dude, that sig pic is great!! If only you had a cone filter in your mouth!!

haha i thought some members would get a kick.. lol

-B

 

[ddogg777]

I need some advice. I plan on putting in an inline fuel pump to feed the 440s. The E6X will control when it comes on according to boost. How do I control the fuel pressure? I imagine it will be pretty high. Is this all part of the Haltech programming or should it be regulated at a specific psi?

 

[Subghetto]

How do I control the fuel pressure??

You can control the fuel pressure via a fuel pressure regulator (FPR) Ractive sells one for our cars.

 

[ddogg777]

Any idea what pressure I should shoot for?

 

[hukster00]

you will need bigger injectors then 440's to run 25psi, cryofreeze is good you should do it its worth 150, it will make youre trans much stronger

 

[ddogg777]

you will need bigger injectors then 440's to run 25psi, cryofreeze is good you should do it its worth 150, it will make youre trans much stronger

How do you know what the cfm of the IHI VF22 is? Are you sure 440s can't provide enough fuel? Please tell me what experience you have with cryogenically treated parts, inquiring minds...

 

[turbo_p5]

I had my gears cryoed, couldnt tell you any difference yet, but they came back discolored. My car isnt running yet, when it does ill let you know. But for $150 you should get it done, its worth it. as for your injectors im running 650s at around 25psi, and for your fuel pump i would go with Walbro, they come stock fit i think, some other members are using it, as for me im going with Walbro and fuel cell and upgraded hard lines. I was told by a few shops that they should be upgraded for the power i am going to run. you might want to look into that.

 

[LinuxRacr]

For 25 PSI of boost, 440cc injectors are NOT up to the task. Go to this link to do some math on the matter: http://www.rceng.com/technical.htm#WORKSHEET

 

[ddogg777]

So, if I am looking for 350bhp, I would have to have the 440s up to a duty cycle of 85% and a fuel pressure of 80psi. But I didn't see what the operating pressures of the RC injectors are. I know that ~45psi is factory, but I can go higher than that after I put the inline pump in...

Turbo P5, what fuel pressure are you planning on running that requires hard lines? BTW, what are you waiting on now?

 

[mp5jeff]

you could always go with an extra 440(or whatever size you want really) and an AIC, that should provide enough fuel.

 

[hukster00]

How do you know what the cfm of the IHI VF22 is? Are you sure 440s can't provide enough fuel? Please tell me what experience you have with cryogenically treated parts, inquiring minds...

check this sites out

http://www.ws6.com/cryo.htm
http://www.ffwdconnection.com/index2.htm

440's are good but it realy depends what hp numbers you wona run,

[font=Verdana, Arial, Helvetica][font=Verdana, Arial, Helvetica]IHI VF 23 423 CFM at 14.7 PSI[/font][/font]

 

[perfworks]

I need some advice. I plan on putting in an inline fuel pump to feed the 440s. The E6X will control when it comes on according to boost. How do I control the fuel pressure? I imagine it will be pretty high. Is this all part of the Haltech programming or should it be regulated at a specific psi?

You have a FPR stock. It will work fine. I would upgrade FPR's only if you would like to increase your base pressure. Then 1:1 ratio in boost. That would be ideal, being your putting in an inline pump and your boosted. Start with baseline of 45psi on the 440's and max out at 70 psi on the line. Your system should be rock solid at that point.
Now with 440's being your primarys I dont know if that would be enough for your application at 25psi. I see though that you understand its only spec'd thru CFM and not boost. BUT IMHO you will be running pretty close if you like high BSFC rates. If you are tuned properly you will get away with leaner mixtures and ALOT more power.