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How come our redline is so low?

S

SVTED

Veteran CEG'er
Joined
Jul 21, 2007
Messages
689
Location
Waterloo/Toronto
I was just thinking about it the other day and how come our engines only go up to 6800? I mean I don't expect it to be a 9k redline screamer like the S2000, but small displacement V6, you'd think something close to like a 7500 rpm redline.... no?
 
SVTED said:
I was just thinking about it the other day and how come our engines only go up to 6800? I mean I don't expect it to be a 9k redline screamer like the S2000, but small displacement V6, you'd think something close to like a 7500 rpm redline.... no?
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Show me these V6 cars you're referencing that have a 7500 RPM redline. IMO, 6750 with the fuel cutoff at 7000 WAS high for a stock car.
 
Motor doesn't make any more power to justify a higher rev limit, so there is no point. Higher RPM and turning the car will just result in engine failure for us anyway.
 
I had an 89 Taurus SHO and if memory serves me correctly it red lined at 8,000. I'm kinda surprised that ford didn't use the 3 liter SHO engine in the SVT contour, the extra 40 ponies would have made a BIG difference in the get up and go.
 
2000SVT449 said:
I had an 89 Taurus SHO and if memory serves me correctly it red lined at 8,000. I'm kinda surprised that ford didn't use the 3 liter SHO engine in the SVT contour, the extra 40 ponies would have made a BIG difference in the get up and go.
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:rolleyes: and the fact the engine is to large for the engine bay doesn't mean anything?
 
2000SVT449 said:
I had an 89 Taurus SHO and if memory serves me correctly it red lined at 8,000. I'm kinda surprised that ford didn't use the 3 liter SHO engine in the SVT contour, the extra 40 ponies would have made a BIG difference in the get up and go.
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Actually I think the SHO redlines at 7000 rpm. If they offered VVT on this engine it could produce more power up top without making it more gutless down below.
 
How long would the water pump last at 9,000 rpm? Or the power steering pump or the A/C compressor? There are several parts other than the engine itself that would have to be improved to handle higher rpm.
 
2000SVT449 said:
I had an 89 Taurus SHO and if memory serves me correctly it red lined at 8,000. I'm kinda surprised that ford didn't use the 3 liter SHO engine in the SVT contour, the extra 40 ponies would have made a BIG difference in the get up and go.
Click to expand...
Taurus SHO redline was 7200, but above 7000, the intake is rapidly becoming a cork, torque falls like a stone dropped off a cliff, no point in reving much past that without serious head porting work and extrude honing/porting/smoothing/blending everything on the intake. Ask me how I know, because I've done the work and performed the testing.

A fully dressed Iron block SHO engine is about 470 pounds, a fully dressed 2.5L Aluminum block Duratec is 360 pounds, and besides the obvious engine bay fitment issues, the last thing the Contour needed was another 100 pounds on the front tires.

I used to think my Taurus SHO was hard to work on until I got the CSVT. I absolutely love my CSVT until I have to do anything that involves putting a hand or arm into the engine compartment, then I hate the damn car. I know of two Ford senior techs who claim to have quit Ford because of Contour/Mystique service headaches, and I'm sure there are more. The Contour is the last front-drive, transverse engine car I will own. From here on out, I want less stuff in my engine compartments, not more.
 
Why would u want to take it to redline

Why would u want to take it to redline

Are cars fuel is shut off at 6750 and red line is at 7000 so really we can keep it at 6750 as long as u want because that's the safe mark ford set so u can drive how ever u want
 
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