Looking to upgrade from my JRSC...
#1
Looking to upgrade from my JRSC...
The car is a '95 R with Track Dog I/C, Miata Link ECU, FM Happy meal clutch kit, RC 550 High Imp injectors, AEM Wide band, Walbro 225 (I think) fuel pump, Koyo radiator, Raacing beat exhaust, I run NO PS, but want to put my A/C back on. Currently the JRSC has the boost up kit at @ 6psi after the I/C...I estimate a 1 psi drop. I basically want the car to be a canyon KILLER...I already give the bikes and most cars a run for their money. I also use the car for track days, so I am sure the same tune and build would work for both. I am thinking some where around 12-ish psi with a flat curve is where I want to be. I am not a high rev driver, like to short shift...but the JRSC lends itself to that, so I may have to retrain myself to let the r's go. Since I have the ECU, I/C, fuel pump and injectors I figure a DIY is my best route. So I am looking for suggestions for the rest of the needed bits...intake, turbo, fpr (if needed), exhaust, etc. I have had several turbo cars in the past Toyota Alltrac, 240s, etc.
Thanks in advance
Thanks in advance
Last edited by Lincoln Terns; 04-13-2009 at 09:10 PM.
#2
Cpt. Slow
iTrader: (25)
Join Date: Oct 2005
Location: Oregon City, OR
Posts: 14,181
Total Cats: 1,133
you have a lot of good go-fast parts for a turbo build. Those injectors, the WB, ECU, clutch, radiator, and possibly the intercooler will all go great with a turbo kit. The easy route would be to buy a turbo/manifold/downpipe package from either FM or BEGI ($1500). Once you do that, all you'd need to do is route your pipes, do a good tune, and you'd easily have 180-250hp, depending on which turbo you bought, how much PSI you'd run, and how good your tune is.
However, this is most definitely not the cheapest route. One option is a china charger from BEGI, which can be had with a manifold and downpipe for about $1000. Cheapest would be to make your own manifold and downpipe, with a used turbo off ebay. Some would argue that this is not worth the effort and possibility that it fails, including me.
However, this is most definitely not the cheapest route. One option is a china charger from BEGI, which can be had with a manifold and downpipe for about $1000. Cheapest would be to make your own manifold and downpipe, with a used turbo off ebay. Some would argue that this is not worth the effort and possibility that it fails, including me.
#3
$1500 is in the budget for sure (with a little wiggle room for all the random **** you never factor in). I sold my shop equipment (TIGs, plasma, etc) so making intake and exhaust is a little more of a hassle for me right now.
What turbos would yous guys recommend for my desired use and power goals? I would certainly prefer to spend a little extra now to save either going bigger later OR having to repair a cheaper part.
Thanks
What turbos would yous guys recommend for my desired use and power goals? I would certainly prefer to spend a little extra now to save either going bigger later OR having to repair a cheaper part.
Thanks
#6
The only other piece of the pie is MONEY! How much of it do you have? Don't forget to account for the $1500 or so you'll get from selling off your entire SC build+exhaust.
You're a prime candidate for a BEGi S4 w/GT2560 and Enthuza 3"exhaust. I've done the cost comparison of all the parts on the kit... you can delete the IC that comes with it and just fab up (or have BEGi fab) a hot-side charge pipe to mate with your TD intercooler, and be really set. You can buy the major hardware of the S4 and save a little money doing your own water/oil lines, skip the airbox and scooper, and be way ahead.
You don't mentin anything about tires... if you intend to track 250whp, I hope your tire/wheel choice is appropriate and substantial.
And where exactly are you in SoCal?
You're a prime candidate for a BEGi S4 w/GT2560 and Enthuza 3"exhaust. I've done the cost comparison of all the parts on the kit... you can delete the IC that comes with it and just fab up (or have BEGi fab) a hot-side charge pipe to mate with your TD intercooler, and be really set. You can buy the major hardware of the S4 and save a little money doing your own water/oil lines, skip the airbox and scooper, and be way ahead.
You don't mentin anything about tires... if you intend to track 250whp, I hope your tire/wheel choice is appropriate and substantial.
And where exactly are you in SoCal?
#7
Grab yourself a gt2560, and hit up turbotim on this forum. Let him fab you up a downpipe/manifold (ala absurdflow), and then just head over to a local exhaust shop for a 3" exhaust/magnaflow muffler cheap as you can get it.
All your other stuff sounds legit, add a bov to the list
You should have no prob clearing 200whp with the responsiveness you want
All your other stuff sounds legit, add a bov to the list
You should have no prob clearing 200whp with the responsiveness you want
#8
I pretty much got the wheel/tire thing hooked up...street tires are Azenis AT615 on Konig Heliums, track tires are Proxis RA1 on Team Dynamics both sets are 205/50/15. I want to stick with 15s but I am seeing a brake upgrade in my future...hope to make it clear the wheels I have.
I am off the 101 near Valley Circle.
Thanks for all the input so far. It has been years since I was last into turbos and the technology is leaps and bounds ahead now. Again, I appreciate the help.
I am off the 101 near Valley Circle.
Thanks for all the input so far. It has been years since I was last into turbos and the technology is leaps and bounds ahead now. Again, I appreciate the help.
#10
I am sure (have not looked into it yet) that my ECU will adjust for that. It has full 3-D mapping for boost, fuel, timing...although I still have not looked at the turbo maps, only the SC ones.
Thread
Thread Starter
Forum
Replies
Last Post
Frank_and_Beans
Supercharger Discussion
13
09-12-2016 08:17 PM
graexodus
Miata parts for sale/trade
9
10-25-2015 03:34 PM