Is this factory

jeffnoel · Dec 25, 2003

I baught my 02 GT used and well I looked under it for the first time last week and noticed it's got a chrome rearend cover on it. Is that factory for the GT or did the previous owner put it on? I also noticed why this car sounds so great it's got single chamber flowmasters on it. I was always suspicious but never took the time to check.

Ruffrider · Dec 25, 2003

You didn't notice the car had single chambers on it... they are loud as F^ck. Anyway no, the chrome rearend cover is not stock.

DBMSTNG · Dec 25, 2003

i would assume that if someone went through the trouble of adding a chrome rearend cover, they also changed the rear gear. lucky you.

Ruffrider · Dec 25, 2003

DBMSTNG said:
i would assume that if someone went through the trouble of adding a chrome rearend cover, they also changed the rear gear. lucky you.

Didnt think if that.. I shoulda bought a used car lol

TARZAN · Dec 25, 2003

Honestly, the rear-end cover is pretty clean looking when you clean it up....

Unless your gear ratio isn't stock, or unless the cover actually has something wrote on it....

Its probably stock.

-Will

DBMSTNG · Dec 25, 2003

in my auto, if i drive with the OD off, i cruise at 35mph in 3rd gear at 1000rpm with the stock 3.27's. if your car runs a higher RPM than that, you've got yourself a shorter gear in the rear axle.

Sam98 · Dec 25, 2003

DBMSTNG said:
in my auto, if i drive with the OD off, i cruise at 35mph in 3rd gear at 1000rpm with the stock 3.27's. if your car runs a higher RPM than that, you've got yourself a shorter gear in the rear axle.

With the 5-speed you will go 45 in 4th @ 2000 RPM or 66 in 5th @ 2000 RPM with 3.27.

TARZAN · Dec 25, 2003

Good job guys

-Will

decoy562 · Dec 25, 2003

Sounds like he:

Put an aftermarket cover
Probably did the gears
Added exhaust

Lucky you!

DeadLurker · Dec 25, 2003

Sam98 said:
With the 5-speed you will go 45 in 4th @ 2000 RPM or 66 in 5th @ 2000 RPM with 3.27.

He has an auto so that doesnt' matter and if he did have a stick he would be at 75mph at 2,000rpm in 5th gear.

Sam98 · Dec 26, 2003

DeadLurker said:
He has an auto so that doesnt' matter and if he did have a stick he would be at 75mph at 2,000rpm in 5th gear.

I'm aware that he has an auto, but a lot of us don't and I was just putting it out there for information. BTW, I'm pretty sure your numbers are wrong...

DeadLurker · Dec 26, 2003

Sam98 said:
BTW, your numbers are wrong...

For a 02 stick gt?

Sam98 · Dec 26, 2003

DeadLurker said:
For a 02 stick gt?

That I don't know for sure since the 2002 has a different transmission than a 98. Did they change the overdrive ratio?

decoy562 · Dec 26, 2003

DeadLurker said:
For a 02 stick gt?

I'm with you. I run 2,000 rpms at 75mph. Maybe it's because we have the 3650 tranny

DeadLurker · Dec 26, 2003

Sam98 said:
That I don't know for sure since the 2002 has a different transmission than a 98. Did they change the overdrive ratio?

I have no idea what the pre 99's have but I think it's like 70mph at 2,000rpms in 5th with the early trannies from 99-01 and 75mph for mid01 and up.

Sam98 · Dec 26, 2003

decoy562 said:
I'm with you. I run 2,000 rpms at 75mph. Maybe it's because we have the 3650 tranny

Then I stand corrected. There must be different overdrive ratios between the T45 and 3650...

DeadLurker · Dec 26, 2003

decoy562 said:
I'm with you. I run 2,000 rpms at 75mph. Maybe it's because we have the 3650 tranny

I'm at 65mph but I got 3.73s now.

Sam98 · Dec 26, 2003

DeadLurker said:
I'm at 65mph but I got 3.73s now.

I'm pretty sure I have 3.27 and I know that my car goes exactly 66 mph @ 2000 PRM in 5th. How fast does your car go @ 2000 RPM in 4th?

decoy562 · Dec 26, 2003

Sam98 said:
Then I stand corrected. There must be different overdrive ratios between the T45 and 3650...

Found it:

T45 overdrive ratio: .67
3650 overdrive ratio: .62

DeadLurker · Dec 26, 2003

Sam98 said:
How fast does your car go @ 2000 RPM in 4th?

I can't tell you that off the top of my head.

Is this factory

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