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Street Build 95 GSX 800hp street monster Fp6466hta

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NB4G63T

15+ Year Contributor
348
181
May 22, 2006
saint john, NB_Canada
So I've been playing with DSM's for years but I'm not great at keeping a build journal to show progress, things I've changed or upgraded. So this is where that's gonna change and I'll use this journal to show my progress with my car and any changes I make. So I'm gonna start with my turbo upgrade as that's one of the things I'm doing this year as well as a lot of other intersting things.

So this is my car.


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So lets begin.......This year I'm switching turbos and going from a fp3586 to a fp3788 or 6466 in the pte nomenclature. My fp3586 got a little too hot from a sudden lean issue(WG line came loose) and this basicly started the melting process of my inconel exhaust wheel which put the turbo shaft grossly out of balance, this took place at the end of summer 2014. So not knowing the extent of the damage done in 2014, I ran the turbo again in 2015 with boost in the 40psi range and at that boost, shaft speeds will be in excess of 100,000rpm and at that rpm the shaft is pretty much like a piece of spagetti flopping around in the housing. Well that beat the gas seal fit out of my CHRA which caused a huge boost leak that was migrating out and into my engine and out my catch can. Sooooo that was ultimately the demise of my 3586 as there's an excepted leak threshold and I was 3 times the limit and with the fits bad unable to install new gas seals. Really sucked cause the turbo was mint besides that, I was planning on just replacing the exh whaeel, re-balance and good to go, LOL not the case. So Mike at Fp gave me the deal of a life time IMO on a new Fp3788 which is what they were selling their 6466 as.

This 3788(6466) has an HTZ wheel and not the HTA, which I have in the description


So the compessor inducer is 64mm exducer is 88mm and turbine is 72.6mm inducer and 66.3mm exducer with a hp rating of 925 with flow potential in the 90+lbs/min range. I'm picking the turbo up this weekend and I'll upload so pics when I do. The hot side is their(fp).85ar T3 housing and thatrs hanging off a punishment racing turbo mani which I just wrapped with DEI heat wrap last night.
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Finally got around to doing this to my engine harness and wow it's pretty labour intensive. The finished product will be a lot easier to manage and let me get rid of the mess the PO (of the wiring harness) did and eliminate all the cracked and dry rotted wires.
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So this is what I accomplished after half a days work. Now my plan is to install it in the car and lay out everything so i can get an accurate length then solder the pig tails back on.
Thankfully I've got a FSM volume 2 electrical, its been very helpfull. I don't recommend doing this for the first time without one.

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MORE TO COME STAY TUNED!
 

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So on to my transmission cooler/3rd and 4th gear lubricator.


So I've been wanting to do this modification for years and really not sure why I never did it. So after multiple transmission failures year after year, I've finally decided to add a transmission cooler/3rd-4th gear lubricator to my fresh trans. I just had a new input shaft, intermediate shaft, double syncro 2nd and 3rd gears replaced.

So I went with my drain plug as my suction point, I just welded a -8 steel an fitting on the end of my drain plug that I just drilled a hole through, worked perfect.




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Now where I plumbed my cool return into is where the most advantage will come in doing this mod. The place I chose to install my fitting is right on top of the 3rd/4th shift fork. It's directly over top of the shift fork when the fork is not in 3rd or 4th. The fitting(That is threaded into my case with a -8 ORB fitting) is .100" from the fork at the tightest spot and .195" at the largest spot, this is the clearence from the fitting to the top of the fork, basiclly the space the fluid will flow into. Now when you're in 3rd gear the the discharge port opens up completely and the fluid flow is directed right onto 4th gear and when you pull 4th, the fork shifts over and the discharge port is now fully open and dumping onto 3rd gear. Also my thought was the fluid will migrate down the shift rails and onto 5th gear as well. This should supply some badly needed fluid to this gear as well.

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Now this is where someone might disagree, and rightfully so, but I felt I could do this task without getting anything is the trans and even the small amout that might get in will be captured with my inline filter as I'm going to run the pump to flush the trans before it turns a mile.
I drilled and tapped the discharge port with the transmission still together OMG I know I know. Turns out the case is actully about .225" thick and I was able to get 3 threads cut into the case to hold in my fitting. I debated pulling it apart and having it welded, but I'm lazy and felt like a little challenge. So I proped the transmission upside down and secured it to my table(although theres no pic showing this I did do it) and proceeded to drill very slowly and use lots of vasiline to capture the chips. This with the trans also being upside down worked perfect, there was no shaving that made it into the trans I could see. gravity worked great. I also machined a taper for the o-ring to fit into so the ORB fitting works as intended.

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So you can see in this pic the shift fork is over into 3 gear which opens up to discharge onto 4th gear.

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Now I'm just waiting on my derale 8" min rad fan with thermo switch. Did a lot of research and chose this sureflo pump as its only $90 and actually for transmission fluid not some agricultural sprayer. Rear mount turbo guys swear by them and parts are readily available.
 
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So I also installed a spare tire delete to save some weight and I also moved my meth pump and res out of my engine compartment to the rear hatch area. It uses the factory rear glass washer fill point in the rear hatch.

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My freshened up transmissions not gonna like this :pray:

EDIT: LOL it didn't.....It stripped 4th gear, not even in boost. So that's when I had to throw in the towel and send it to Jon @ TRE to work his magic. Went with his stg 4 evoIII gears fully treated and detailed. Those evoIII setups are going to be a rare breed pretty soon.


New turbo forced performance 6466 rated @ 925hp 90+lbs\min


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Dropped the motor in over the weekend and I'm re-installing my AC. I'll be damned if I'm driving around again this summer with no AC, **** that ****. I don't care how much it weights its worth it IMO. I have to finish my wiring harness and a few other things, should be on the road in a couple weeks.

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Well after about 20 hours of soldering I finally got my engine harness finished. It's exactly what I was looking for and I was able to correct alot of posible issues. in the process of installing my ac and tucking the compressor line that goes over the engine.

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Awesome build, did I read forced performance 6466 rated? So I would guess some sort of gt37??
 
Thanks!! Yes it would be a Fp 3788 htz if you think 3586 number when they sold the Fp variant of a 6466 this is it. Now they offer it the Xona stuff. So it's a 3794 with a 64mm inducer and 88mm exducer instead of the 67/94. They rated them at 90+lbs/min.
 
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