2.8L exhaust leak, causing sluggish accleration?

[robertisaar]

yeah that is one good thing about GM: slow to adapt to new things...

MOST things should plug in directly, the only two things i can think of ATM that won't are EGR and the coolant temp...

[2.8 Grand Prix]

Yah he mentioned those too. All I have to do is take them out of the 2.8 and Stick them on the 3x00. Real easy.

How many bolts hold the tranny on to the engine? I hope the 2.8's tranny fits the 3x00.

[robertisaar]

Yah he mentioned those too. All I have to do is take them out of the 2.8 and Stick them on the 3x00. Real easy.

How many bolts hold the tranny on to the engine? I hope the 2.8's tranny fits the 3x00.

for coolant temp: the newer motor uses a single temp sensor that has three wires instead of the older setup that uses 2 sensors: 1 with 1 wire and another with 2 wires...

EGR: does it use the same connector? BTW: which EGR did your GP come with? if you have the hood open yet, take a pic of it and we'll know if its a backpressure/EVRV or digital...

the tranny will DEFINITELY bolt up. is it a 3 or 4 speed?

EDIT: might need to swap the guts of the 2.8 TB onto the new one so that the linkages match...

[2.8 Grand Prix]

Thanks Robert,

I think it is a four speed (1,2,3,D,R,P).

I hope it doesn't need to have the TB taken apart. I know a lot about diesel fuel systems (I have a degree in Diesel Technology), but I don't know much about TBs. I took Auto. Tech. in High School, but mostly all we dealed with was carbs.

[2.8 Grand Prix]

Oh by the way,

Will the 2.8s ECM plug into the '00 3x00? The guy I got it from said it should.
It didn't come with the computer.

[robertisaar]

...by ECM if you mean all of the connections, then yes except for coolant and EGR... but those have been worked around...

what ECM is it? namely does it have a MAF or MAP sensor

yes, you have a 4 speed (4t60, th440-t4 whatever you want to call it).

swapping TB guts isn't that hard, i'm trying to think of who did it recently or made a guide of it...

EDIT: and your ECM WILL require tuning... a 3x00 wants a lot different fuel and timing compared to a 2.8...

[2.8 Grand Prix]

Ok,
How do you tune the ECM? Is it very hard?

The 3x00 has a MAF and I think the 2.8 does too.

[robertisaar]

as per my own rules:

ask Ben about tuning.

he should be able to hook you up with a good tune...

[2.8 Grand Prix]

Who's Ben?

[robertisaar]

this guy:

http://60degreev6.com/forum/member.php?u=1

he happens to own WOT-Tech, which is that nice banner you see near the top of the page.

[2.8 Grand Prix]

Thanks! I'll go to that forum right now.

[robertisaar]

not quite a forum...

[2.8 Grand Prix]

There is a forum about WOT-Tech though,

I got on the WOT-Tech website: I couldn't find a 2.8 to 3100 swap chip. (is that what I need?) All they have is 2.8 to 3.1 swap chips '88-94.

What would happen if I didn't tune the ECM right away? Would it still run?

[robertisaar]

talk to him personally. then he'll set you on the right path.

if you didn't have it tuned right away: it would probably run, but i would be concered with knock/severe lean issues...

[2.8 Grand Prix]

Ok, Thanks!

Does he have an email? My phone doesn't work quite right.