hi i just bought a 88 ls turbo hatch, my problem is it smokes a little, turbo lag up the *** (spool around 4000-45000), an the worst fucken gas millage 5-15 mpg, i just want to know wut maybe the problem

 

I think you have a bunch of problems. What size is the turbo? What kind of engine management does the car have? Got any pics of the set-up?

 

garret t3/t4 safc2 idk much else i boght it like this an the guy who i bought it from had it like this too he did nt know **** , so from wut i can tell the fuel managment is from the safc2

 

what are the specs on the t3/t4? (trim and a/r?)

what color is the smoke? When does the smoke come out of the exhaust?

5-15mpg when you are WOT all the time? or just normal "not in boost" driving

 

idk the trim i jus bought the car an the dude i got it from did nt know , the smoke is dark grey smoke when i get on it smokes a little when idel , when i drive it out of boost it gets like 10- 15mpg when in boost 5mpg

 

sounds like it's running rich as fawk

black smoke = rich
shitty mph= rich
no REAL tune = probably rich

get some real fuel manegment in there and it should solve your probelms

 

thx my a/f reads rich 85% of the time i thught it was a more seriuous problem

 

What are you using to read your A/F ratio?

 

autometer a/f gauge

 

Honestly, you should throw it in the nearest trash can. The guage is highly inaccurate. It puts on a better light show than it actually functions. Either get a wide-band O2 sensor, or better yet, take your car to a dyno and have the shop do some A/F readings with their equipment. Like the other guy mentioned, it sounds like you are running rich, which on a turbo'd engine is probably safer than going lean.

 

Do you have any blow by? I just fucked my LS-turbo last week. I think my ringlands are destroyed but I won't know til I pull the motor.

 

nah