Automotive Technologies

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Don't Know What To Do Next!

I would really like to get some opinions on this. The vehicle in question is a 1985 Toyota Cressida Wagon. I have been...
6 comments posted 23yrs
posted by mminellono
6 comments posted 23yrs posted by mminellono

84 Caprice Estate Wagon

Ok. I spent $1300 on a 84 caprice estate wagon a few months ago. Out side is in great condition, inside is almost perfe...
1 comments posted 23yrs
posted by IamGoingCrazzy
1 comments posted 23yrs posted by IamGoingCrazzy

Q: 5V<->12V level conversion

I've uploaded a couple of images of my schematic in which a TTL high and low (5v and GND) is injected into the circuit....
0 comments posted 23yrs
posted by adam_j_bradley
0 comments posted 23yrs posted by adam_j_bradley

Just how does tranmission fluid get into coolant?

I had transmission fluid show up in the engine coolant reservoir of my 1999 Chevy Tahoe. I first noticed this sometime...
16 comments posted 23yrs
posted by n7apeNOSPAM
16 comments posted 23yrs posted by n7apeNOSPAM

engine mapping

Hi We have made an ECU for port fuel injection of a single cylinder motorcycle. Now we have to prepare the maps for the...
0 comments posted 23yrs
posted by rahul_nair_fi
0 comments posted 23yrs posted by rahul_nair_fi

Weak battery?

Folks, Over the past couple weeks, our car (1998 Hyundai Accent) has been left outside through a couple rather cool nig...
4 comments posted 23yrs
posted by vgrovest
4 comments posted 23yrs posted by vgrovest

Dynomax Super Turbo Muffler

Anyone have any experiances with the dynomax super turbo muffler? I just ordered one for my truck and i'm hoping that it...
3 comments posted 23yrs
posted by timdco
3 comments posted 23yrs posted by timdco

Can't Figure This Out... How Smart Are You?

There are two guys sitting around, and one of them is looking at a piece of paper. He says, "Hah! This is interesting."...
3 comments posted 23yrs
posted by LMSEARING
3 comments posted 23yrs posted by LMSEARING

primary circuits

I'm used to the old round style coils on DI systems. I know GM used an air cooled coil in their HEI systems with the co...
4 comments posted 23yrs
posted by oilyspill
4 comments posted 23yrs posted by oilyspill

tuning ECO to run on alcohol

I'm looking for info on how to tune my car's computer so I can use 100% alcohol as fuel ... anyone got any pointers, su...
4 comments posted 23yrs
posted by alan_santacruz
4 comments posted 23yrs posted by alan_santacruz

Cops, radar, tactics, methods, etc: Resources?

Was wondering if there were any on-line resources for info that could answer the following questions (I know that the a...
44 comments posted 23yrs
posted by Driver
44 comments posted 23yrs posted by Driver

Is sulfur content a function of gasoline grade?

That is, does premium generally contain less sulfur than regular? If that were the case I'd happily buy premium. Oil com...
6 comments posted 23yrs
posted by no-spam
6 comments posted 23yrs posted by no-spam

Help requested: spec assistance on 1994 Escort

My neighbor asked that I help him with some preventative maintenance work on his 1994 Ford Escort with 1.9 liters engin...
1 comments posted 23yrs
posted by b0hdan.b1dnar
1 comments posted 23yrs posted by b0hdan.b1dnar