just wondering. and if so was it worth it?
Announcement
Collapse
No announcement yet.
does anyone boost the SOHC b6?
Collapse
X
-
but ITB's still arnt turbo"See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot
Originally posted by neuspeedescortthe proper spelling would be "Launchabilitiness" i do believe.
-88' Mazda 323 GTX, caged and ready for dirt
-93' Mazda Miata, half caged
-09' Mercedes C63 AMG
-87' Toyota Land Cruiser, 33's with slight lift, safari style!
Comment
-
This is my b6 turbo setup, in my 97 Ford Aspire. I know, I know the cone is under the hood, but there's a story to that. This is my "winter" set-up, another words, I've got all the cold air I need for the iceracing season this car is primarly setup for. I've also got a "Coolingmist vari-cool II" water/methanol injector on this too. Here's the link to that post:
But check out these pics: Click on them to make larger
What you're seeing is a hand made stainless manifold and downpipe. I made the tubes and had the flanges waterjet cut using the gaskets as templates. The "teardrops" are now round.
The cutting job was a favor payback, as was the welding. The turbo I decided on using is a KKK K03, It's what you'd find on an Audi or VW 1.8 liter 20 valve eng. The Audi guys complain they run out of top end with these, so I figured it should run my sohc b6 just fine. The upgrade the audi guys go to from this is whats called the kkk k04. It's got a slightly larger output, but bolts right into the k03 spot. For the K03's, they're all over eBay for cheap either as used from Audi guys doing upgrades, or new Chinese or Japanese knock-offs. The oil supply line is run from a simple tee at the pressure sender, and I put a .030 restrictor in it at the turbo, but later got panicky and changed it to a .060. I ran the one water line from where that little 1/4" pipe was sticking out out the head. It just pulls out and I "tapped" in a 1/8" npt by 5/16" hose barb in its place, very easy! The other line comes off the little 1/4" tube on that rusty steel water pipe, I just cut the bead off the end of it and placed a compression fitting with another 5/16" barb on it.
That "junk" oxygen sensor pointing at the radiator fan is just a temporary plug, the real bung plug fell out during a test drive, because some idiot thought just anti-seize paste alone would keep it in, who knew you'd have to actually use a wrench.
That by the way is a spare bung hole, for accomodating a "Festy" configuration, the real oxy sensor in underneath and points towards the passenger side. The "air in" tube for the pcv system is not blowing any oil out at all! If you look close, you can see I've used this thing call a "Krankvent" between the pcv valve and the intake manifold. Think of it as a kind of pcv valve on steroids that will hold back about 75psi.
You can see that Forge bypass valve which is constantly recirculating air back to in-front of the turbo as long as the vacuum is present. This really keeps things spooled up nicely, and so I've got boost at 2,500 rpms in second gear. Pretty good considering that this is not a ballbearing turbo!
I'm running 6 to 7 pounds of boost with this setup with the meth injector on it now, I'm going to push that up to 8 pounds. From what I've read in Corky Bell's book "Maximum Boost" and what I've gleaned from the Ray Hall turbocharging site, I've got a formula that says a 6.8% hp gain per pound of boost. So by my calculations, with a roughly 82 hp starting point, I'm thinking I've gained an additional 33 to 39 hp at 7 pounds of boost.
This last pic is from underneath, you can see both waterlines, the real oxysensor, and the oil drain back to the pan.
This was by no means easy or cheap to do. My goal was to get the hp out of my exsisting clean b6 that I already had to work with, and learn the art/science of turbocharging. You gotta want it!
__________________Last edited by iceracerdude; 06-26-2009, 06:01 PM.
Comment
-
i also boosted a b6 sohc in my 88 323 about a year and 1/2 ago, i had a bad boost spike (15-18psi)and just said screw it and keep giving it and blew the ringlands on a piston. i didn't care at that point, cause i was getting ready to do a bp swap and boosting it also. before the bad boost spike it ran great.
go to 323preformance.com and search for rab thats my name over there, and there should be some good info about my set-up.
also i have those same rims on my 323. what your susp. set-up?Last edited by ryan1; 06-27-2009, 12:29 AM.5 boosted bp cars,why...
Comment
-
Originally posted by Threetwenty3 View PostHey iceracrdude how many miles did the engine have on it before you boosted and did you do a port and polish before hand? Did you have to do anything with the ecu like re flash it or get a chip?
IMHO is it even worth it
you said it puts out like 82 stock and you gained at the most 40 thats only like 120 HP and is that even at the wheels?
I now beat neons, focus's, bonnevilles, 626's, geo's, gran prix's, nissans, acura's, honda's, etc.
I took 2nd place over like 17 other guy's/cars last season.
Cause I'm still light, I can still make the turns and hand out spankings on the straights.
WHY O WHY would you do that yea its different but when theres better and cheaper choices out there. just get a mx3 1.6 dohc or a miata 1.6 motor and boost that. or even better a bp and boost that
I've got people waiting in line to buy this, so It's not like it's been a total waste.
I'm looking for a 90 something 323 at the moment to do the engine upgrades you've described. The Aspire is in storage till next winter, and I'm driving a 89 323 right now as my grocery gitter, and I've got a buyer bugging me for it.
,Last edited by iceracerdude; 07-01-2009, 06:47 PM.
Comment
-
Originally posted by oldschoolricer View PostWHY O WHY would you do that yea its different but when theres better and cheaper choices out there. just get a mx3 1.6 dohc or a miata 1.6 motor and boost that. or even better a bp and boost that5 boosted bp cars,why...
Comment
-
Originally posted by ryan1 View Postthe b6did take 7-8 psi from a .42/.48 t3 on stock injectors and a 12 to1 fmu just fine, afrs were good all the way to redline.
Comment
Comment