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Topic: What's your 24V idle (Read 1251 times) |
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cossieguy
Full Member
1996 Cosworth Ultima saloon
 
Posts: 550
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What's your 24V idle
« on: Dec 13th, 2006, 11:46am » |
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Hi, interested to find out the average idle speed for 24v's. Mine is 750rpm when warm and no A/C or other electrical devices being used. I'm worried this might be a bit high.
Can people post theirs please (Warm engine,no ancillaries being used).
Guy.
PS Are the idle speeds individually set for each engine during production?
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Pegasus
Full Member
24V Cosworth Ultima Born: Sept 97, sold Aug 23
Posts: 742
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Re: What's your 24V idle
« Reply #1 on: Dec 13th, 2006, 12:42pm » |
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Hi Guy,
Mine's been 720-730 rpm for last 5 years. Engine run's beautifully (now up to 65k).
Paul
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mazzy_j
Full Member
Posts: 664
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Re: What's your 24V idle
« Reply #2 on: Dec 13th, 2006, 1:33pm » |
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My cossie idles at around the 750rpm mark, maybe a teeny bit less. If you blip the throttle it very briefly drops to about 1000rpm, then drops again to 750rpm.
Mine has a few more miles under its belt than paul's (about 105k more!) but that shouldn't effect it hugely i would have thought.
Matt
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tintin
Full Member
I'm a YaBB newbie!
Posts: 592
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Re: What's your 24V idle
« Reply #3 on: Dec 13th, 2006, 4:59pm » |
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dont start me 
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'95 Cosworth Ultima
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: What's your 24V idle
« Reply #4 on: Dec 13th, 2006, 7:03pm » |
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Engine Spec sheet says 730 in Neutral and 650 in Drive
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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Dave2302
Senior Member
2006 Mercedes S55 AMG, Retired Barefoot Waterskier
Posts: 1119
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Re: What's your 24V idle
« Reply #5 on: Dec 13th, 2006, 7:50pm » |
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Its Pre - programmed into the PCM, which controls the IACV
Regards
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Dave "The 'ol Bear" ex Footer !
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: What's your 24V idle
« Reply #6 on: Dec 13th, 2006, 7:55pm » |
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on Dec 13th, 2006, 7:03pm, Highlander wrote:| Engine Spec sheet says 730 in Neutral and 650 in Drive |
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650 in drive? I assume you mean in drive foot on brake? If so mine sits at 750rpm whether in drive or neutral.
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wickedteen
Guest
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Re: What's your 24V idle
« Reply #7 on: Dec 13th, 2006, 10:12pm » |
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yep mine is 750 in both
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: What's your 24V idle
« Reply #8 on: Dec 14th, 2006, 9:30am » |
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hi there
best one i scaned was at one of the derby meets. a guy called mike (if i remember correctly). a white car. it idled at under 700rpm! you could hardly hear/feel this engine!
a cracker! wonder if he still has it?
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Pegasus
Full Member
24V Cosworth Ultima Born: Sept 97, sold Aug 23
Posts: 742
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Re: What's your 24V idle
« Reply #9 on: Dec 14th, 2006, 12:52pm » |
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Forgot to add that the rpm comes from scans. On the dash the needle is just on/under the 750 mark (same in neutral or drive)
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: What's your 24V idle
« Reply #10 on: Dec 14th, 2006, 7:15pm » |
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My idle drops when I put it in D but only from the initial idle, if i put it back in N then back to D it stays a steady 730ish
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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bootiful-scorpios
Full Member
ex 2.9 24v
Posts: 560
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Re: What's your 24V idle
« Reply #11 on: Dec 14th, 2006, 8:42pm » |
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750 same in neutral or drive.
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v4-max aka Cheekyboy1
Full Member
focus cc mk3 mondeo 2.0 auto cbx750 vt600
Posts: 563
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Re: What's your 24V idle
« Reply #12 on: Dec 15th, 2006, 4:26pm » |
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mine sits at 750 in park and drive 52,000 miles on clock
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