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Senior Member
Join Date: Jan 2001
Location: Left Coast, Canada
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The hottest???
This question intended mainly for those who have experimented with CHT's .....
Which cylinder runs the hottest on a 911? I will be installing my CHT soon. Following the KISS rule, I will only have one gauge and one sender, so want to have it reading the hottest of the hot. Which one would that be?
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'81 SC Coupe "Blue Bomber" "Keep your eyes on the road, and your hands upon the wheel."- J.D.M. |
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03-25-2003, 07:04 AM
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Location: Dallas, Tx.
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Number 3 of course!!! Oh wait, you 911 guys have 2 extra cyls don't you...
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Kevin, 1969 912 1992 Firebird 1985 Eldorado(SS roof) 1992 Ranger PU 1976 Cutlass(tha beast) various others in the country for parts |
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03-25-2003, 07:25 AM
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I have been told cylinder #1 runs the hottest... let the debate begin.
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'70 911S 1002938 '70 Ducati Mark 3D 350 |
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03-25-2003, 07:38 AM
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The knock sensor on my 3.6 is located in the head for cylinder #3 if that means anything.
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03-25-2003, 08:17 AM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
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hmm, I thought the knock sensor was on a bridge that covered and entire side?
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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03-25-2003, 08:36 AM
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Later, Tom |
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03-25-2003, 08:38 AM
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Quote:
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03-25-2003, 08:50 AM
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Re: The hottest???
Quote:
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03-25-2003, 08:54 AM
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Location: NY
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The 3.6 knock sensor is comprised of a tuning bar and a sensor across the entire bank of cylinders, one per side. What you're talking about is the cylinder head temperature sensor on #3.
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03-25-2003, 09:31 AM
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My guess would be front, left side piston as the air from the fan blows in the other direction and the forward cylinders are usually hottest.
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Matt '82 911SC Targa! |
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03-25-2003, 10:46 AM
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911 user
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Location: East of Eden, West of the Sun
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At a guess three and five.
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Where once the giants walked now Mickey Mouse is king. My other car is also a Porsche. |
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03-25-2003, 12:59 PM
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touch each one and tell us which one hurt the most.......ok, Im done with the sarcasism....doesn't Bruce A. know?
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03-25-2003, 03:20 PM
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I will guess 3 and 6 or possibly 2 and 5 but, I would never rule out 1 and 4.
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66 911 with S engine 2008 Westfield XTR2 |
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03-25-2003, 06:26 PM
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Re: The hottest???
Quote:
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Mark '83 SC Targa - since 5/5/2001 '06 911 S Aerokit - from 5/2/2016 to 11/14/2018 '11 911 S w/PDK - from 7/2/2021 to ??? |
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03-25-2003, 06:43 PM
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Well, cylinder #1 is cute in a Maryanne from Gilligan's Island sorta way.
#2 is totally girl next door. #'s 4,5, and 6 have been beaten with the ugly stick. Yeah, definitely cylinder #3 is totally HOT!!!!
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'69 911E coupe' RSR clone-in-progress (retired 911-Spec racer) '72 911T Targa MFI 2.4E spec(Formerly "Scruffy") 2004 GT3 |
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03-25-2003, 07:37 PM
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I run a probe on 2 & 5
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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03-25-2003, 09:02 PM
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Quote:
Kinky! 
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'69 911E coupe' RSR clone-in-progress (retired 911-Spec racer) '72 911T Targa MFI 2.4E spec(Formerly "Scruffy") 2004 GT3 |
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03-25-2003, 09:30 PM
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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
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It's also the one furthest away from Dougs cool-collar . . .so it must be the hottest.  of course Dougs cool-collar is on a shelf somewhere in california.
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee.
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03-25-2003, 09:47 PM
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Location: Left Coast, Canada
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Quote:
But, thank you Matt & Ron!
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'81 SC Coupe "Blue Bomber" "Keep your eyes on the road, and your hands upon the wheel."- J.D.M. |
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03-25-2003, 10:22 PM
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I guess Master Cylinder and Slave Cylinder don't count?
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Mike 89 Carrera 3.6 V-ram #94 Livin' for Targa time! Want to make God laugh? Tell him your plans! |
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03-26-2003, 12:42 AM
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1978 Porsche SC Targa 3.6
1977 Porsche 911 1978 3.0 SC
1966 Porsche 911 2.0 S spec
