Wild, any chance of a kit for the 8v?  Suzi stuff around is SUPER scarce!!! My 8v still runs decently.

I did the 8V, as far as I know, I was the first to turbo an 8V if
not a Sidekick, I never saw one before I did mine.

That being said, the 8V was a total nightmare to do, the problem
is the TBI, there is just not enough fuel available with that system,
the only thing I found to make it run right was to buy and build a
MegaSquirt EFI system and add 4 extra injectors to the existing TBI
manifold, running the MegaSquirt as a piggy back system.

There is lots to do an 8V, so I said I would never recommend an 8V
be turbocharged, however, if it were really wanted, a custom intake
with multiport injection, but running the stock TBI computer, problem
here is the cost of the system and it would be for "offroad use only"
as there would be little chance of passing visual on an emissions check

Personally I think going to a 16V head would be faster, and with a little
extra work changing out the turbo parts to stock parts for a bi-annual
emissions check would be doable compared  to the custom stuff.

Let me know what you think?

Wild

 Oh, joy. ANOTHER  case of Pandoras' box here, huh?  I understand the limitations of the tbi set-up, so no big surprise there. I was hoping NOT to have to throw too much $$$ at a little dinky motor that will end up getting swapped out in the late spring/early summer IF I couldn't get it to "wake up" for a little bit of effort. Yeah, I know, turbo set-ups ain't exactly cheap, but consdiering that I am starting work at the biggest, local "you strip it" after the first of the year, it was worth a thought, I guess. I have only seen 2 Trackers in the yards around here in the last 8 years  andBOTH of them are currently being stripped down by me.  Oh, well. Back to the Turbo Deisel swap, then. 

Dang Wild! I would have had you build mine for that much!  Getting everything to fit around the air conditioning was the big issue for me. Would have been MUCH easier to build a manifold without that stuff to work around.

Bentparts, you still have the ac? Id love to keep mine while I turbo mine, where is your intercooler at? I was thinking of making a hood scoop like sti's with the intercooler underneath the scoop =D

why no love for the 2.0 or 2.3L family? seems like a perfect match for a Sammy or kick for that matter pretty easy conversion to boot.

Why cant you just put the 16V intake on the 8V?  I've never looked at em so I'm sure there is probably a difference.

If it were only that easy, they are quite different, but I was looking into
adding a set of injectors to the 8V manifold, as it turns out the TBI injector
is a low ohm, which is to say it draws a large electrical load, I think the stock
computer can be used to drive 2 large or 4 smaller injectors, either 2 x 50-60
PPH or 4 x 24-27 PPH injectors, the only question would be if the computer
can cut the fueling enough to not run pig rich at off boost conditions like idle

Rhinoman, do you know what the tolerance range is on the TBI computer?

The stock injector is aprox 47 PPH and my calculations call for about 100 PPH
to fuel enough at boost of up to around 10 PSI and not lean out, I would
say a max of 8 PSI should be a max boost on stock pistons, 5 is OK, over that
for extended periods is not a good idea, but would be probably OK with a water
injection system to cool the pistons

Wild

Interesting.  I would think that an 8V would be more boost friendly, but I can see the lean/rich dilemna.

The problem is not the valving, but in the injection system, the 8V injection
system has only one injector, with a flow rate of 46 pounds per hour (PPH)
of fuel, this is fine for making 80 HP or even 90 HP, but not double the normal
HP this engine came with, at a minimum to double the HP you need to double
the fuel flow rate, so you need aprox 100-110 PPH of fuel.

Problem is there is no replacement injectors that can do this, at least none that
I have been able to find, I took my injector in to have it re-flowed but before I
was able to leave they stopped me and said they didn't have a fixture to even
test the flow with, so I went home with my injector in hand.

I considered dual TBIs to feed the beast, but in the end I stumbled on the
Megasquirt EFI system, so I bought and built that, which worked quite well

Most people would say just double the PSI of the fuel system, but that does
not work in reality like you think it would, if takes 4 times the pressure to
double the fuel flow, and at about 80 PSI the TBI injector cannot overcome
the pressure and will not open

Wild

Yay for 16v! Lol, can't wait to turbo mine! I need cash tho :/

Wild, I was wondering and since you have experience I thought you would know. I read about a that kept his 1.3L with no internal mods. and put a 16v head on it and ran a rather large turbo (meaning i didnt think it needed to be that big of turbo) and his dyno says he is getting like 247hp to the crank and around 25psi of boost? Does that sound right? he stated that he kept the 1.3 cause it spun faster?

If something like this would work I would be interested in doing this mod.

Sure, it can be done, but 25 PSI boost on stock internals is going to
grenade sometime, depending on how he drives it.

Stock pistons should only be boosted to 5 PSI or they run the risk
of melting from the heat, and to run 25 PSI he would almost have
to be running Alcohol for fuel, there isn't enough octane in anything
other than racing gas at $7 / gal to boost that high without knock
at a stock Compression Ratio (CR)

5 PSI is good for about 50% increase in power, more than enough
to make almost any Samurai driver happy, and the 1.3L for high RPM
ehhh.. whatever a 1.6 can hit 7000 RPM how high do you want to
spin that engine???

I was also thinking about boosting the 1.3.  It would be cool.

That's opening up a whole new set of problems that I just
sort of figured out with the FI 1.6 8V, the 1.3 without FI is
going to need a pressure box around the carb or to have FI
installed onto the truck, the easiest way to turbo a Samurai
is to swap in an FI 16V engine, and add a turbo from there


I have a Port Injection manifold design that will work for the
8V engines, and retain the stock computer, but I don't know
how rich it might run, as the injector sizes need to be figured
out, at present I think a 1.3 engine would run well with 17-20
PPH injectors, and a 1.6 should run well with a 21-24 PPH set
but driving and tuning have not been done, I ran the stock
EFI system and supplemented the boosted conditions with
a MegaSquirt that drive the additional 4 injectors but only at
boost of about 2 PSI thru the peak of 8 PSI

Wild