S1 dyno chart - Nope, I don't have one. Please read anyway. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-01-2008, 04:08 AM   #1
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Default S1 dyno chart - Nope, I don't have one. Please read anyway.

Through indycgp.com, I've found out that there is a dyno just a few miles away from me, down one or two roads. What makes an S1 dyno chart so hard to find, and why hasn't anyone put an S1 on a dyno? I know Mythbusters made a dynomometer out of a bedless truck, and even that shouldn't be too bad, aside from the obviouis dangers of doing it ghetto-style and such.

Since my 94 SSEi has ~291K miles and a newfound fuel pressure issue, it may not be the best candidate for such a test. Is BC looking for just any S1 to go on the dyno to show the torque and hp curves? I'm more than willing to go on the dyno with my 94 SSEi once I solve the couple of things that are wrong with it, and it'* mostly stock except for the engine wear since the rebuild, 100K miles ago, and perhaps the need for a new cat. If my car isn't stock when it goes on the dyno, would it still count to show BC the curves we've been aching to see?

What'* in higher demand, stock or modded? I haven't found out about costs, but I assume they will not be encouraging to me to dyno two times.
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Old 04-01-2008, 09:18 AM   #2
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Your car is about the last candidate I'd pick or ask anyone to spend dyno money on. It'* not in good enough shape yet to be a comparison. We need a car that'* in good tune with a reliable trans.

MANY of us posting in the recent topic have seen the GM factory dyno specs for both series, and know very well what they look like. There is no overwhelming need or desire for the charts, and Gordy already has a dyno run he just needs to dig up (slightly modified, but it proves the point).

The point in that ridiculous debate would have been made if he'd just looked at the lower delivery RPM in Techinfo for the S1, and taken my word for the fact that the torque curve remains far flatter and less peakier than the S2.

Don't waste your time or money.

Moving to General Chat.
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Old 04-01-2008, 09:24 AM   #3
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Well, the transmission was rebuilt 40K miles ago. I consider the car to be fairly refreshed. Remember back when I was in the 16s on the 1/4 mile? I just got the car, slapped in a ricer CAI, and went dragging. Lots of things have improved but yes, it'* not a good S1 dyno representative. Still, if in the future I were to get a dyno chart, wouldn't it be nice to show it to BC?
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Old 04-01-2008, 09:27 AM   #4
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We have a very good idea what the chart looks like. Like I said, many have seen them. They're just not common or easy to find. We know how much the '60 loses before the wheels, and we know the factory numbers (most cars in good tune beat the factory numbers, S1 and S2 alike.

This isn't some pressing need. This is something that someone brought up in a severe-off-topic moment of criticism and argument.

Most members here (based on that argument) know very well how much harder the S1 pulls off the line than the S2, and how the S1 falls on it'* face after the 1/8 mile.

Radomir, I think you're putting too much into it, but you didn't understand the history behind that recent post. If you'd like to dyno your car, dyno it, but don't do it as a favor for BC with your money.
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Old 04-01-2008, 09:31 AM   #5
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Fair enough. Thanks for the clarification.
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