87 IROC Z vs Grand National vs 5TH Gen V6...

[ULTRAZLS1]

Originally Posted by GaBoy25

Damn really?

No...it wouldnt run high 12s stock...not even with a tire. Has never happened and will never happen.

A high 13 is a respectable time for a stock GN. They trap around 100mph stock. I could see a mid 13 best case scenario.

Cars such as this can have their definition of stock blurred by the owner very easily. With a few slight mods and an increase in boost a GN could appear mostly stock and be very capable of solid 12's.

But totally stock 12's would NEVER happen. I dont think even with a tire it would be possible. Just not enough mph / hp in the car when stock.

[_Nick_]

Originally Posted by bigd1276

I don't know about what google says, but having owned an 89 IROC-Z with the 5.7 and a 2010 V-6, my money's on the IROC. That car "felt" a lot lighter and quicker. JMO.

It'a all that low end torque. My car even feels decently quick, up until it hits 4500RPM. Takes forever to get to 5k from there.

They're fun cars to cruise around in.

[GaBoy25]

Originally Posted by ULTRAZLS1

No...it wouldnt run high 12s stock...not even with a tire. Has never happened and will never happen.

A high 13 is a respectable time for a stock GN. They trap around 100mph stock. I could see a mid 13 best case scenario.

Cars such as this can have their definition of stock blurred by the owner very easily. With a few slight mods and an increase in boost a GN could appear mostly stock and be very capable of solid 12's.

But totally stock 12's would NEVER happen. I dont think even with a tire it would be possible. Just not enough mph / hp in the car when stock.

10-4 that had me

[2012 IngotSilver 5.0]

Originally Posted by ULTRAZLS1

No...it wouldnt run high 12s stock...not even with a tire. Has never happened and will never happen.

^Correct.

[Supa Snake]

my favourite is buick GN wish to buy one as soon as poss

[MikeOD]

Originally Posted by Ucantctchme

0-60 means nothing to anyone whose car knowledge goes further than what's in the magazines.

I was going to say...I have absolutely NO idea what my car does 0-60 in...I just know it goes 12.1 @ 118 with a crappy 60' because I'm still trying to figure out how to launch it lol.

[ChrisBlair]

Did somebody say Buick?

The GN and GNX are very overlooked. Being a Buick guy back in the late '80s and '90s and being in the Buick Performance Group for years, it's hard to recall a stock IROC spanking a stock GN. I recall some teething issues with the TPI on the Chevy, although I'm sure that enthusiasts have resolved that by now