Ami's Turq Monster dyno'ed

[Paul Workman]

Originally Posted by mcich7781

Now I know who "not" to mess with my Turq. Looks so familiar on the D&M Dyno.

Sent from my SM-G955U using ZR-1 Net Registry mobile app

Maybe a good comparison:

In 2014(?) Bob Banks' 510chp/410 geared '95 and my ~ equal (510 chp) with the stock 345 diff went head to head at a WANNAGOFAST 1/2 mile rolling start drag at the Monee Airport's main runway.

The 410 gear launched Bob in front maybe 3-4 lengths by the 1/4 mile mark. But, his Z stopped gaining and the taller (345 diff) gear in my Z began steadily reigning him in.

By the time he crossed the 1/2 mile line, Bob was in the lead, but my Z w/ the 345 gear was still in 4th, and Bob had shifted to 5th. Bob crossed the 1/2 mile ahead by aprox 1 to 1-1/2 lengths, but the gap by that time was shrinking very rapidly.

IIRC, Bob's Z crossed the half mile line at ~138.xx mph, whereas mine crossed the line at 144.25 mph (i.e., like passing a parked car while driving by at 6.25 mph). The stock 345 gear would have prevailed if the race was only a little bit more than 1/2 a mile. But, for comparably powered ZR-1s, it made for an interesting examination.

[garyhugo]

Paul,thanks for the comparative info. It illustrates much of the stock versus 4:10 rear diff question.

[Meanmyz]

Very cool Paul! And Ami

[XfireZ51]

Originally Posted by efnfast

Paul, have you ever driven a car with "cams"? I suggest you do before making that leap.

What do u mean by that Steve?

[WARP TEN]

Originally Posted by Paul Workman

Maybe a good comparison:

In 2014(?) Bob Banks' 510chp/410 geared '95 and my ~ equal (510 chp) with the stock 345 diff went head to head at a WANNAGOFAST 1/2 mile rolling start drag at the Monee Airport's main runway.

The 410 gear launched Bob in front maybe 3-4 lengths by the 1/4 mile mark. But, his Z stopped gaining and the taller (345 diff) gear in my Z began steadily reigning him in.

By the time he crossed the 1/2 mile line, Bob was in the lead, but my Z w/ the 345 gear was still in 4th, and Bob had shifted to 5th. Bob crossed the 1/2 mile ahead by aprox 1 to 1-1/2 lengths, but the gap by that time was shrinking very rapidly.

IIRC, Bob's Z crossed the half mile line at ~138.xx mph, whereas mine crossed the line at 144.25 mph (i.e., like passing a parked car while driving by at 6.25 mph). The stock 345 gear would have prevailed if the race was only a little bit more than 1/2 a mile. But, for comparably powered ZR-1s, it made for an interesting examination.

A good analysis Paul. But in my defense, I discovered later after talking with folks that I was shifting way too early and would have been a coupe of MPH faster if I had been shifting closer to 7,000. While I had to shift to 5th in the half mile race, I did like the drivability of the 4.10s around town and on the highway.--Bob

[XfireZ51]

This is all assuming use of 17" wheels/tires. 4.10s w 19" tires approximates the same rpm as 3.55 gears and stock rims.

[Paul Workman]

Originally Posted by XfireZ51

This is all assuming use of 17" wheels/tires. 4.10s w 19" tires approximates the same rpm as 3.55 gears and stock rims.

Interesting point, Dom!

[RussMcB]

I assumed the tire OD (circumference) would be about the same for the 19" wheels. No?

[XfireZ51]

Originally Posted by RussMcB

I assumed the tire OD (circumference) would be about the same for the 19" wheels. No?

No, the Michelin SS I have are about 1" taller than stock.