RE: 98 Jimmy Turbo using Typhoon parts:
 

Wow! Great information! So, all i'd have to get is the Sy/Ty Turbo Manifold, a turbo, all the oil lines and such, charge piping, intercooler, and something such as HPTuners to tune for fuel and no knock?

Now, you're saying that around 10lbs of boost is what the stock injectors will hold up to right....of course with a tune that is?

All i'm wanting to have is about 8-10lbs of boost, will my stock motor hold up to that? I've got 64,000 miles on it and have had the oil changed every 3k miles...i haven't dogged on it much at all because the darn things so slow, it's pointless to get on it.:)

I surely do appreciate the help fellas and i'm sorry if i'm being a pain!

One more quick question...
Would a T3/T4 turbo be sufficient enough for this build?

RE: 98 Jimmy Turbo using Typhoon parts:
 

If I were you I'd choose the Marine intake or the Elderbrock intake. The Sy/Ty intake is too much trouble.
Your stock engine would easily support 8-10psi.
HPTuners is what you'll use... Definatly.

If you pick up stock Sy/Ty exhaust manifolds/cross-over you can choose from a wide selection of turbos that bolt right on. Bolt on downpipes (stock or other) So that's the easiest route there for sure.

We have 146,000+mi on our stock engine now.. still doing great!
E-mail any time for pic's/info.
~Scott
UR50SLO@aol.com

RE: 98 Jimmy Turbo using Typhoon parts:
 

scott, i will be installing a marine intake next weekend. pickedup a new oneoff of ebay for $200. my question is what line on the marine intake is the return line from the regulator? is it the top or bottom line? i am changeing to a marine intake due to to many problems from my stock injection system and my stock regulator. i will also be fabbing up a rear mount turbo as soon as i get done collecting all the parts that i need. thanks for your help.

RE: 98 Jimmy Turbo using Typhoon parts:
 

Congrats!

The larger (3/8s) line is the inlet from the pump. (fuel feed)

The smaller 5/16th line is the return to the tank.

Remember to use your stock throttle body and tweak the lever for the cruse controll to clear the fuel rail.

You'll need to make a gasket for the throttle body or buy one for a LS1. I think they are the same size and pattern.

The wire colors/hook-ups are on this site and this thread.

If you get stuck e-mail me UR50SLO@aol.com
I'll get you my phone number so you can call if you need that.
Thanks,
Scott~

RE: 98 Jimmy Turbo using Typhoon parts:
 

thanks for all the help. i have everything else figured out so far(i hope). i have a roll of gasket material that i plan to cut foruseon the TB. i dont think that i should have any problems on the rest. as far as my EGR, it is no longer on my truck, and i had my ecm reprogrammed by wait4me. i am trying to get all the parts that will be required to do a rearmount turbo(yes i will take pics). i hope to have everything for the turboin a few months. i was not aware of the cruise control bracket needing to be modified, so thanks for the heads up. i was the one that asked you for the wire hook-ups/colors ealier in this thread. thanks again for all the info.

RE: 98 Jimmy Turbo using Typhoon parts:
 

I've got nothing against rear mounts. They are simple to hook up and effective.

No problem on the info... sure should help save some head scratching and time when it comes to someone else doing the same process.

Good luck with the swap and if you need somthing let me know. :)
~Scott

RE: 98 Jimmy Turbo using Typhoon parts:
 

If I didn't bury my truck to the frame in mud, a rear mount would work :D

RE: 98 Jimmy Turbo using Typhoon parts:
 

Finally got some "alone" time with the Jimmy today.

Went through and changed spark plugs/wires..... Changed the oil and filter.

Plugs looked awsome. I changed them anyway. R42LTS gapped at .33

I think the wires were OEM since they were numbered. I thought I'd changed them

before but I might not have. I'll need to get a new cap this week.

I tuned it some more. Added some timing in places and took some out in a few.

Added some more fuel in PE (power enrichment)

Getting consistant 11.7-11.5 AFR on the wideband at WOT with no knock at 11psi.

The intake air temp driving around is about 10-15deg above outside temp. I've got

the temp sensor just before the throttle body so it's seeing close to what the

engine sees. That way I can retard the timing in another table if the IAT get's too

high.

Moved the shift points a bit higher as I'd backed them off to begin with.

All's working well. Oil was clean and full when I changed it.

Hope more of you join this soon! It sure is a blast to drive!
~Scott

RE: 98 Jimmy Turbo using Typhoon parts:
 

Getting consistant 11.7-11.5 AFR on the wideband at WOT with no knock at 11psi.



thats not too lean? i thought that 14.7 AFR is what you want.

RE: 98 Jimmy Turbo using Typhoon parts:
 

On a wideband O2...

The lower the number the Richer it is.
The higher the number the Leaner it is.

The ECM will try and target 14.7-1 Actuall AFR.

The stock Narrowband's are only accurate just above and below 14.7.

That's why everyone is switching to having a wide band since it is more

accurate over a "wider" band than your stock O2's.

For a boosted application..... every engine and combo is different but

Most tuner's target 12.5 to 10.8 AFR. The Jimmy seems happy with mid

11's and it's safe there.

My Nissan hates leaner AFRs. Anything less than 10.9 and it's not

making as much power... Noticably not as much. Weird but true.

So it's nice to have all the new tuning tools to help guide you into

powerwith economy and reliabilitymuch quicker.

Thank god the carberator is dead... but it did teach

me to use all my senses when tuning a car. ;)

~Scott