There's a '01 S4 here without the new badge . . .
07-23-2000, 06:35 AM
#2
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All '01s to date have '00 badging
<p>Jim De Arras
<a href="http://www.imola.org">2000 00 Imola/Onyx/Alcantera S4</a>
MTM Stage II (Stage III on order)
MTM Full Suspension
MTM/Pagid Brake pads
UUC Short Shifter (original 20%)
Michelin Pilot Sports.
SmartTire Tire Monitor
<a href="http://www.imola.org">2000 00 Imola/Onyx/Alcantera S4</a>
MTM Stage II (Stage III on order)
MTM Full Suspension
MTM/Pagid Brake pads
UUC Short Shifter (original 20%)
Michelin Pilot Sports.
SmartTire Tire Monitor
07-23-2000, 07:13 AM
#3
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Lower redline from Pic below...
It appears the dash pic listed below from the brochure, show redline @ 6200 or so.....<p>'00 Pearl White S4
6spd, Conv. Pkg.,Bose w/ changer,Nav. System
18" MAK Energy Chrome
Sumitomo HTR-Z II (225/40ZR18)
H&R Springs
APR chip (when it finally ships)
6spd, Conv. Pkg.,Bose w/ changer,Nav. System
18" MAK Energy Chrome
Sumitomo HTR-Z II (225/40ZR18)
H&R Springs
APR chip (when it finally ships)
07-23-2000, 08:29 AM
#5
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with peak HP at 5800rpm, there is little point revving to red line
<p><img src="http://pictureposter.audiworld.com/AudiWorldPics/2000/carssmall4.jpg">
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
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07-23-2000, 09:42 AM
#8
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What?!?! look at the power graph. Power falls off by 40hp over 5800 STOCK
<p><img src="http://pictureposter.audiworld.com/AudiWorldPics/2000/carssmall4.jpg">
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
07-23-2000, 09:47 AM
#9
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Here’s a chart...
<center><img src="http://pictureposter.audiworld.com/AudiWorldPics/2000/dyno_chart.gif"></center><p>As soon as the engine is past peak HP, you are wasting revs not shifting. The point of shifting is to keep the engine in it’s power band...that clearly ends at 5800rpm.
The only reason to rev past the end of the power band is to offset the rpm loss from shifting.<p><img src="http://pictureposter.audiworld.com/AudiWorldPics/2000/carssmall4.jpg">
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
The only reason to rev past the end of the power band is to offset the rpm loss from shifting.<p><img src="http://pictureposter.audiworld.com/AudiWorldPics/2000/carssmall4.jpg">
00 S4 tip
Silver/Black
GIAC ECU/tip chips
V1
07-23-2000, 10:02 AM
#10
False, false, false, false...
You need to compute power or torque at the wheels...when there is more power or torque at the wheels in the next gear, then it is time to shift, not any sooner. I based the shift points on a spreadshift derived from APR's somewhat-smoothed (unfortunately) stock graph, as MTM has admittedly just posted a Euro graph as the stock baseline, and using the known gear ratios for the transmission. The shift point will vary for each gear, and for nearly every car is past the peak power point of the engine because while power may be falling off past that point it is still ahead of where it would be much lower in the powerband and in an even taller gear. 1st-2nd and 2nd-3rd shift points are higher than the others because the gap in gear ratios between those gears are so large but as gears become closer together it becomes more feasible to be able to make better power in a higher gear. When you shift too early, you lose the advantage of gearing in favor of a less-than-offsetting advantage of greater power (or torque).
Have you read, and do you understand or dispute, the principles of horsepower, torque and gearing? Here's an excellent explanation of them below.
BTW, with an APR chip, the computations of the shift points are 1-2 at 7000, 2-3 at 6800, 3-4 at 6500, 4-5 at 6400 and 5-6 at 6300, and I think I did them with MTM's chip and they were about 200-300RPM's lower than APR's shift points due to the more cliff-like fall off in power shown by MTM's chip.<ul><li><a href="http://www.seansa4page.com/resource/torquehp.html">A primer on horsepower and torque</a></li></ul>
Have you read, and do you understand or dispute, the principles of horsepower, torque and gearing? Here's an excellent explanation of them below.
BTW, with an APR chip, the computations of the shift points are 1-2 at 7000, 2-3 at 6800, 3-4 at 6500, 4-5 at 6400 and 5-6 at 6300, and I think I did them with MTM's chip and they were about 200-300RPM's lower than APR's shift points due to the more cliff-like fall off in power shown by MTM's chip.<ul><li><a href="http://www.seansa4page.com/resource/torquehp.html">A primer on horsepower and torque</a></li></ul>