sombody sabotaged my 944 turbo!!!!

[xero]

so i bought an 83 944 that has been converted to a 951 and has some kinda of aftermarket ignition module connected to the coil (probably for retard under boost?) at an auction, the car was runnung earlyer in the morning before the auction started because they drove it out onto the yard....but between that time and the time that it was actually auctioned sombody tampered with it to make it not start to discorage other bidders from bidding on the car (there are some people that do that alot at this auction) but anyway i bought it and had to get it towed home because i could not get it to start i checked for spark at the coil wire and there is none but the engine turns over fine i looked around in the engine bay for disconnected wires and i checked the fuses too to no avail.....anyone have any suggestions?

[Scott R]

Who makes the ignition system? Also we will need more details, maybe even some photos. Sounds like a real custom setup, like the Callaway(sp) turbo's.

[javier]

DME Relay...

simple part, often fails at just the right moment.

[xero]

well my friend and i were at it all day today and
we tested all the ignition components one by one and they all worked and we tested everything right up to the coil trigger signal comming from the dme
and when we tested that we started getting spark!?
so anyway it runs now and it's got some balls too!
in all the poking around we did we found a gready boost controler and an msd boost master retard box all with adjustable while you're driving....still havn't figured out how to work everything yet....would you belive i got this car for $2100!?!?!?! the auction didn't know it was a turbo too bad i don't get to keep it, i bought it for my friend with my friend's money.. but i least i get to drive it

[ae1969]

hey xero....

can you take a couple of pics of the engine bay....

I am curious to see what they setup under the hood.

Sounds like an interesting ride.

[AFJuvat]

Definately sounds interesting.

especially the 83 944 that is now a 951....

It can be done, but I have yet to see it sone smoothly or with any degree of real skill, or more importantly panasche - kind of like putting a water cooled v-6 or v-8 in a 914.

AFJuvat

[ae1969]

It really intrigues me, because uhmmm I am working on something.....

Some key observations I have found.

The 951 series responds the best to a RWHP of about 300-350.

Anything above that and you don't see a dramatic gain (argueable)

At >400 you are just waiting for the boost to kill you....

at <200 RWHP too much turbo lag. (86 turbo stock)

The happy medium is 300-350. That is why the 951 is such a great deal with minor mods.

but then you drop 20 grand and you have a 400RWHP car, that does not like to be launched of the line. With those kind of RWHP you should be running 4.5 60's or less! and at least 12 second or less 1/4's
But those are rare for any 951's

............I am just rambling.............lets just say..... I am working on something..... and the master boost retard box, and boost controllers caught my eye

[dsalillas]

Hmm... Sounds like a gem.

I wonder how long that trannys gonna last though.

[xero]

the tranny seems exellent the cv joints have been hammered a bit though...not too bad i have a question for you guys did any of the 951's come with intercoolers? this car does not have one
the dipstick is longer than that of my 86 n/a motor so i think it may be an actual 951 motor in the car?? the dme is a stock 83 n/a box and the coil trigger wire leading out of the box has been routed to an msd "master boost retard" box basically what this box does is put a delay on the signal (kinda like a guitar effect box or something?) and it has a dial on the dash to set it to 0-4 degrees retarded from stock i havn't figured out how the boost controller works yet but with it on it seems to make the boost come in hard off the line but then cuts it out at the top end....with the controller turned off it acts more like a normal turbo car where it builds power as you rev i havn't figured out what the adjustments on the boost control box do yet though
with the controller turned off i'd guess it has somewhere between 200-300hp? probably closter to the 200 side? ... i have a g-tech meter but i havn't tested it yet.
this car is setup really sweet and turbo lag doesn't seem to be a problem as it pulls much harder from a stop than my stock n/a does...even with the timing retarded
some further upgrades my friend and i are considering are
water injection, an msd box to replace the aftermarket high energy box(perma-tune),possibly an intercooler, and is looks like there is a fitting for water cooling on the turbo so we may hook that up with all that cooling going on we can then advence the spark for power i'll take some pictures and post them on a webpage
also i think there has been a chip added to the dme as there is no o2 sensor and the screws on the dme housing are worn
and it also has a fiberglass 951 looking front clip, is black and has aftermarket recaro seats
and i bought this for $2100
like i said before too bad i bought it with my friends money and not my own but at least i get to drive it

[Bob's944]

All the 951's have intercoolers that aren't that bad from the factory. From what I've seen on here and read elsewhere, running a stock 944 NA engine with a turbo or supercharger that does not have a intercooler, and running boost levels higher than 5 or 6 psi, is an engine failure waiting to happen. Intercooling seems to be a must have, especially for a non-modified NA engine. Real 951's have forged pistons instead of cast which also lower the compression ratio to 8:1 (as opposed to the NA's at least 9.5:1 which is the reason behind the Boost retard box), sodium filled exhaust valves and other internal inprovements. Horsepower levels I've seen for low boost (5-6 psi) cars w/o intercooling have been under 200 hp, in the area of a 944S engine in horsepower, but still providing more torque, although it would have turbo lag. I have a feeling you're going to get alot of the same type of responses, especially from ScottR who had a recent bad experience with a supercharger project. I would run that car easy until you look into it more and work on some of the improvements you mentioned.

Good luck with it..

[Scott R]

The guy I sold my supercharger to had it up on Ebay a few days ago. He had a professional install it. He claimed that after it was installed he could easily take a 951. I never had those reults, but he had added a few thousand in extras over what I did. You gotta figure in the end that with the car, the kit and the extras your lookin at 15k~17k. Might as well get a 10K 951 and drop another 5k in mods.

[xero]

yeah it kinda sucks that there's no intercooler, but the cars really fast and i don't hear and ping...just an exaust side backfire when i shut it off sometimes
but yeah i looked at some pics of 951 engine bays and i can put a 951 intercooler on this one easy so i'm pretty sure i'm going to do that
and like i said before, i think that the engine is an anctual 951 engine and not an n/a motor...it has a 951 intake maniforl and header and the dipstick is longer than my n/a i'll have to check the #'s
the only thing that i actuall don't like about this car is the rear suspention....the frond end it extreemly stiff which i like but the rear sways up and down like an oldsmobile hahaha ....get some new torsion bars i guess??? i think maybe the guy who built it liked to make the rear squat at the illegal drag races they have around here?
i found out about the boost controller too it's a "greddy profec B" http://www.greddy.com/products/controls.html
and from what i've been reading i was right about it making the boost come in earlyer...i just need to turn the knobs to keep it from cutting out in the top end

[RaF944]

Well this car really isnt a "951" as all the part #'s are 944

Just kidding.

You should really get an intercooler for that!