What RPM's do you shift at in your CL-S 6-Speed when driving at normal speeds?
12-24-2009, 09:44 AM
#5
TQ > MPG
The only gear I routinely skip is 5th, when I am getting on the expressway I use 4th to get up tp speed and then just go to 6th.
I hope you are rev matching when skipping gears that much, because thats tough on the syncro's if you arent.
I usually shift the following if I am just driving normal (non aggressive)
1-2 = 4-4.5k
2-3 = 3-3.5k
3-4 = 3-3.5k
4-5 = 2.5-3k
5-6 = 2-3k
I dont like short shifting 1st, because then it seems like I am shifting right off the line, and I can shift it smoother (without as much delay between shifts) when I go a little higher on the 1-2.
I hope you are rev matching when skipping gears that much, because thats tough on the syncro's if you arent.
I usually shift the following if I am just driving normal (non aggressive)
1-2 = 4-4.5k
2-3 = 3-3.5k
3-4 = 3-3.5k
4-5 = 2.5-3k
5-6 = 2-3k
I dont like short shifting 1st, because then it seems like I am shifting right off the line, and I can shift it smoother (without as much delay between shifts) when I go a little higher on the 1-2.
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12-24-2009, 08:15 PM
#9
Whats up with RDX owners?
iTrader: (9)
Lately? 2500rpm.
I'm with you on the redline part.
12-30-2009, 02:00 PM
#17
TQ > MPG
You guys really worried about mpg or something? I couldnt shift below 3k all the time even if I wanted to.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
12-30-2009, 02:42 PM
#20
You guys really worried about mpg or something? I couldnt shift below 3k all the time even if I wanted to.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Exactly. Thats why i shift at 3,500rpm when im not redlining it at 7,200
12-30-2009, 02:48 PM
#21
I Wanna Beer
You guys really worried about mpg or something? I couldnt shift below 3k all the time even if I wanted to.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
When I had the KB installed on my old '03 Cobra they told me that low RPM shifting had no adverse effects on the engine. Could be different for pushrod engines.
12-30-2009, 03:16 PM
#22
Whats up with RDX owners?
iTrader: (9)
You guys really worried about mpg or something? I couldnt shift below 3k all the time even if I wanted to.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Its harder on an engine to lug it around in too high of a gear than to ring it out to 50% of its usable rpm range.
Too much load at low rpms isnt good for the main/rod bearings as it can cause lower oil amounts getting to the surfaces and causing them to have metal to metal contact and higher side "twisting" forces.
This is what my engine builder for my 500hp Mustang said anyways, and they build 1000+hp marine racing engines too.
Before the rebuild I would shift around 4k rpms though, with the occasional high rpm pull.
12-30-2009, 03:36 PM
#23
TQ > MPG
The differences in oiling between 1.8k and 3k shouldn't be that much. If low oiling at low RPMs was an issue they'd specifically recommend revving to higher RPMs before engaging the clutch as the most load will be getting the car moving, not lower RPM shifting once the car is moving.
When I had the KB installed on my old '03 Cobra they told me that low RPM shifting had no adverse effects on the engine. Could be different for pushrod engines.
When I had the KB installed on my old '03 Cobra they told me that low RPM shifting had no adverse effects on the engine. Could be different for pushrod engines.
It was more directed at the guys that say they shift under 2500 all the time and skip gears often. I've rode with people that think its easier on the engine to lug around at 1500 rpm then 3000rpm. You shouldnt ever bog an engine, thats more what I'm talking about.
And pushrods are different, they make power below 3k rpm N/A.
haha j/k
12-30-2009, 03:53 PM
#24
I Wanna Beer
I'm not saying you should never run low rpms, hell I usually skip 5th gear getting onto the expressway.
It was more directed at the guys that say they shift under 2500 all the time and skip gears often. I've rode with people that think its easier on the engine to lug around at 1500 rpm then 3000rpm. You shouldnt ever bog an engine, thats more what I'm talking about.
And pushrods are different, they make power below 3k rpm N/A. haha j/k
It was more directed at the guys that say they shift under 2500 all the time and skip gears often. I've rode with people that think its easier on the engine to lug around at 1500 rpm then 3000rpm. You shouldnt ever bog an engine, thats more what I'm talking about.
And pushrods are different, they make power below 3k rpm N/A.
haha j/k
12-30-2009, 04:23 PM
#25
Whats up with RDX owners?
iTrader: (9)
I agree with having a taller 6th, and for that matter a taller 5th, but 1st-4th I think are perfect.
If anything, we need a shorter final drive.
But this is now going off topic....
If anything, we need a shorter final drive.
But this is now going off topic....
12-30-2009, 05:00 PM
#26
Ultra Negro
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I'm not saying you should never run low rpms, hell I usually skip 5th gear getting onto the expressway.
It was more directed at the guys that say they shift under 2500 all the time and skip gears often. I've rode with people that think its easier on the engine to lug around at 1500 rpm then 3000rpm. You shouldnt ever bog an engine, thats more what I'm talking about.
And pushrods are different, they make power below 3k rpm N/A. haha j/k
It was more directed at the guys that say they shift under 2500 all the time and skip gears often. I've rode with people that think its easier on the engine to lug around at 1500 rpm then 3000rpm. You shouldnt ever bog an engine, thats more what I'm talking about.
And pushrods are different, they make power below 3k rpm N/A.
haha j/kshifting at 1800-2k is just fine for our motors.
bogging the motor would be below idle range.
12-30-2009, 08:39 PM
#32
TQ > MPG
12-30-2009, 09:54 PM
#34
TQ > MPG
Drag radials (big difference), 225/45/17 BFG drag radials to be exact. I had them on 17" Centerline Storms, as they weighed only ~ 16lbs/wheel.
I also had H&R springs/Tockico Iluminas at full firm, an Icebox, and the pass seat removed.
I know I posted a thread for it, if you're really interested.
I also had H&R springs/Tockico Iluminas at full firm, an Icebox, and the pass seat removed.
I know I posted a thread for it, if you're really interested.
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