sweet

 

yeah thats about it, i wouldnt bother with the GM temp sensor that DIY sells, the little sensor thing is going to fall off and get sucked into the engine, its not designed to be in boost environments. 9k sensors are the way to go. also you are going to want to install it in the intercooler pipe right before the TB, if you install it on the TB or in the manifold you will have hot start problems due to heat soaking from the engine.

Paul

 

awesome. excellent information, i had not thought about having to isolate the temp sensor.

wtb - 2.1 throttle body, 9k intake air temp sensor

 

Sweet!

Good luck with the project.

I'm sure you will get all the help you need!

 

but... this one is listed for use with forced induction vehicles.

http://www.diyautotune.com/catalog/open-element-sensor-with-connector-p-116.html

this one too

http://www.diyautotune.com/catalog/open-element-sensor-with-pigtail-p-62.html

i take it these are both designed for low pressure forced induction, and the 9k sensor is built to last.

 

and what about the Stimulator?

i've always wanted one, just because of it's name...

after reading more about it, it looks like a great diagnostic tool, i will be purchasing and assembling the Stimulator as well

 

yeah the stim is good to have, both of those air temp sensors are no good, theyre usually mounted in the airbox in the cars that they come in, not in the intercooler pipe, when theyre in the pipe, they fall apart.

Paul

 

Nice. I'll be doing the same thing, once a certain someone finishes my adapter

 

i have a '92 ECU, i have a Bentley manual with diagrams, i will be building my own adapter ;P

 

not to discourage you but the connector in the 2.4 ecu board is much more difficult to separate than on 2.2 ecu's which is why paul is not making an adapter for them now. However if thats a spare ecu then by all means start ripping that thing apart, because it really does suck trying to solder a wiring harness in the footwell.

ya know, if you buy an unassembled kit and a stimulator, you're only like $40 away from just buying the assembled box. i don't know about you guys, but $40 is well worth it to not have to:

a) spend all the time to assemble the ecu
b) worry about one more thing on the list of things that could have been done wrong

i know it's probably a good educational experience to assemble the kit, but when i order mine, i'm going with the assembled kit.

i'll just use red bull as a stimulator.

good advice, I built the stimulator and the unassembled box and had a good time building them but if I had to do it all again I would just buy the assembled one. However the price has gone up across the board because the kits are now using better processors so it is a little more $$.

 

ya know, if you buy an unassembled kit and a stimulator, you're only like $40 away from just buying the assembled box. i don't know about you guys, but $40 is well worth it to not have to:

a) spend all the time to assemble the ecu
b) worry about one more thing on the list of things that could have been done wrong

i know it's probably a good educational experience to assemble the kit, but when i order mine, i'm going with the assembled kit.

i'll just use red bull as a stimulator.

 

on an LH 2.4 or 2.4.2 car, at the moment the simplest approach is going to be to hack the connector off the harness and wire the DB37 directly do that. unfortunately this will also make it so the LH system can't ever be used as a back up.

we were looking at some custom bits the other day which might help us make an adapter for 2.4 cars, but at the moment making a reliable adapter that I would consider automotive grade is still a little bit off...

 

my box is open, and i am starting to see what you guys are talking about. i have the cover off and can see why one would not want to start making adapters for others to use.

i am sure that i can come up with something that i would be comfortable installing and reasonably sure it would hold up to the vibration and possible occasional bump from items in car, but i do not see it being a quick and easy job, or something that i would want to replicate.

 

well on 2.2 cars it's a lot easier. still not "easy" but the 2.4's is going to take some... creativity!

 

is it possible to use a 2.2 connector and just wire it for 2.4?

 

i dont think there are the same number of pins? i might be wrong

 

i have some local help when i need it. when, not if

 

yeah, they are not the same connector.

 

ahh figured that might be the case or someone would have used it before.

 

Heh, this thread reminded me to get off my ass and sort the IAT for my MS fuelling. Found a 9k IAT on ebay, 7 pounds 50p, 15 dollars in your money.
I also need to make up an ecu connector for clean install, but unfortunately mine has the rarer lucas ecu. wierd 37 pin connector. Not had any luck yet sourcing broken ecu's, and I aint tearing apart my perfectly working ecu. Surely you guys must be able to source broken bosch ecu's from scrapyards, they were used on more than just saabs?

 

Heh, this thread reminded me to get off my ass and sort the IAT for my MS fuelling. Found a 9k IAT on ebay, 7 pounds 50p, 15 dollars in your money.
I also need to make up an ecu connector for clean install, but unfortunately mine has the rarer lucas ecu. wierd 37 pin connector. Not had any luck yet sourcing broken ecu's, and I aint tearing apart my perfectly working ecu. Surely you guys must be able to source broken bosch ecu's from scrapyards, they were used on more than just saabs?

if you were to tear yours apart, there would be little point to using it as an adapter. the reason i want to make an adapter is so that i can plug the Bosch ECU back in if need be.

sadly, there is nothing wrong with the one that i am tearing apart. well, nothing beyond the fact that it has a stock fuel chip

 

IAT Sensor from 9000

Other than the junkyard, is there a better place to get the 9000 intake air sensor than from eeuroparts for 45 dollars?

 

i know nothing about the Lucas system other than that it is not available here in the US and i will probably never see one in person. i am guessing that they use an entirely different plug from Bosch LH 2.2 and 2.4

 

Maybe its not different, I'll have to check it out Probably is though. Problem obtaining a cheap ( broken ) lucas ecu is that they don't tend to fail.

 

Why is a new throttle body necessary for the LH 2.2 cars? Is it not possible to simply remove the throttle position sensor and attach the newer style potentiometer?

 

the TB itself is different and they won't accept the correct TPS. You can make an adapter to make the correct TPS fit on a 2.2/2.4 throttle body, but even still the new position of the TPS (basically sideways) interfears with the IAC valve pipe. Also, the LH 2.4 cars (89-93 900-turbo) also do not have the correct TPS either. It must be from an LH 2.4.2 car. These are the 91-93 900 2.1 liter cars.

 

It must be from an LH 2.4.2 car. These are the 91-93 900 2.1 liter cars.

Anyone ever tried to bolt on a 9000 LH2.4.2 TB?

 

not me, but it should work. There is an extra line that will probably need to be plugged, and I think a plug that will need to be popped out and a a line out in, but as far as I can tell that should work fine. non turbo 9000's 90-94 should all be LH 2.4.2 These TB's really should be pretty easy to find. Like I mentioned elsewhere, I'd sell em to people for $40 + shipping.