delorean

For discussing MicroSquirt (TM) configuration and tuning of fuel parameters (including idle valves, etc.).
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DARCOM
MegaSquirt Newbie
Posts: 13
Joined: Thu Sep 22, 2005 8:39 pm

delorean

Post by DARCOM »

hello i have been relucktant to post my problem geting my delorean running well because i thought i could get it myself. so far i have had my delorean idleing but would not rev just die . i have had it running at 1400 rpm and reving but no idle it would just die, this motor is also prone to fluding easy and that has made me tune in othe directions that were the wrong directions.i have eather been too rich or to lean.
my specs for the motor are:
2.8 liter 174 cid engine v6
hp is 156 @ 5700 rpm
tq is 173 ft lbs @ 3000 rpm
the specs for every thing else is
28 pound lucus fuel injectors
an iac motor from a chevy 2.8 liter v6
chevy water and air temp sensors
o2 sensor and throttle position sensor
the distribtor is the stock bosch distribtor from the delorean but with the mechanical vacume removed just the hall triger is retained and is set to 0 deg.
im also using the HEI 7-pin modual and wired like the instructions says.
the map sensor is from the megasquirt.
im using a megasquirt II on a 3.0 board
with version 2.35.abs file in the megasquirtII
and the 2.25 verision of megatune
also this is an odd firing motor.

i was hoping that maby with this this info i could get one of the megasquirt qoroos to make me a file that might be closer than what i have made becouse i keep going from one extreem to another with no luck
thanks for the help if any one wants to try.
mops
Experienced Squirter
Posts: 217
Joined: Sun Sep 25, 2005 4:13 pm
Location: Auckland, NZ
Contact:

Post by mops »

omg! delorean !!! i so want to have that car !!!

what oxygen sensor you have ?
datalog your behaviour and post here.
do you control spark aswell ? if yes did you scoped it and confirmed it's all ok.
BMW, 1985, E30, 325i, 2-door, 5spd , 127k miles, short shift, MSII, V3/code 2.684/60-2 wheel/MT 2.25, LC-1 wbO2, ignitor module mod driving msd coil/, 3 pin Bosch PWC IAC mod
DARCOM
MegaSquirt Newbie
Posts: 13
Joined: Thu Sep 22, 2005 8:39 pm

Post by DARCOM »

i have a stock o2 sensor from a 2.8 liter v6 not a wide band and its also not heated.
yes i let the megasquirt II control my spark timming. weard thing is i can go from -43 to 43 and all in between with no change in behavior in the engine.
also my fingers are just about worn down to nubs turning the key so many times.

as soon as i can get it to some desent idleing again i will make a log.
fscott
Helpful Squirter
Posts: 72
Joined: Wed May 25, 2005 6:35 pm
Location: Bastrop, TX
Contact:

Post by fscott »

DARCOM wrote:i have a stock o2 sensor from a 2.8 liter v6 not a wide band and its also not heated.
I went that route at first. I gotta tell you, go out and get a wideband, or at least a heated narrow band sensor. Those single wires are no good at all for tuning. They don't read accurately when they're not hot, and you never know if they're hot or not.

I spent days fighting to get the bike ridable and got nowhere. This weekend I installed the LC-1, spent ten minutes revving the engine in neutral to tune as many bins as I could, then turned on autotune and went for a ride. Before I'd even gone a tenth of a mile, things were improving.

Trust me, spend the money on the wideband, or at least a heated narrow band. You won't regret it.

Say, can the MSnS-Extra code run a flux capacitor? What about the hover engines? :P
keithmac
Helpful Squirter
Posts: 136
Joined: Sun Jun 19, 2005 11:52 am
Location: UK, York

Post by keithmac »

I`d second the wideband recomendation, makes it a lot easier to tune! As Mops said get the timing light in there and check it against some fixed angles to make sure you have accurate ignition timing.

Excelent car to Squirt, I`m sure I`ve read a few others are running MS?
Squirted VW GTI 16vG60 mk2
max@zl2max.gen.nz
MegaSquirt Newbie
Posts: 5
Joined: Tue Aug 03, 2004 3:12 pm
Location: Palmerston North. New Zealand

Post by max@zl2max.gen.nz »

Don't know the motor....

But with a base timing of TDC ....... I am only just starting of ign' stuff on my Rover V8, mine is set to 8 deg.......

Max
RangeRover with MSII V3
DARCOM
MegaSquirt Newbie
Posts: 13
Joined: Thu Sep 22, 2005 8:39 pm

Post by DARCOM »

well i went ahead and orderd a wide band o2 from DIYautotune to ease in the tuning hopefully it will help.
DARCOM
MegaSquirt Newbie
Posts: 13
Joined: Thu Sep 22, 2005 8:39 pm

Post by DARCOM »

i was wondering if i can run my tack in parallel with the MegaSquirt or does it have to be completey seperate form the tack signal from the distribtor.
thanks
fscott
Helpful Squirter
Posts: 72
Joined: Wed May 25, 2005 6:35 pm
Location: Bastrop, TX
Contact:

Post by fscott »

My tach signal comes off of the coil negative, and it goes to both the MegaSquirt and the stock instruments on the bike.

So you should be fine.
snillet
Helpful Squirter
Posts: 48
Joined: Tue Dec 06, 2005 12:43 pm
Location: Sweden / Kungälv

Switch engine

Post by snillet »

In that car to do this really proper you can actually ditch the "old version" PRV V6 engine which is the 70:s version of the same engine that´s placed in modern Peugeots and Citroëns with 24Valve V6 engines.

On that "powerplant" you get all the useful bits of missing teeth wheel decoder ,sensors and other bits and pieces. And with stock ECU the engine produces a bit over 200hp. They´re easily "trimmed" to around 250hp.

Just a tip 8).
Peugeot/Citroen XU5 BDZ(4cyl 1.6litre) engine with 60-2 VR wheel decoding singel coil and dizzy spark and Magneti Marelli(solex) TBI. Msns-E hi-res 0.08f and E85(Ethanol) in the gastank.
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