Speed vs RPM question for manual GT's by MP5Na3
Started on : 11-24-2004 09:27 PM Replies : 13 Last post by : Kameo Kid on 11-27-2004 01:02 PM
Nov 24th, 2004
MP5Na3 Member Posts: 307
What RPM are you running at 60mph in 5th.
New transmission and it seems like I am running a high rpm for the speed. I thought all final drives were the same though.
Thanks much
David
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09:27 PM
PFF
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aqua-man Member Posts: 1132
2000 or slightly under. 5 speed Getrag in a 86 GT.
Earl
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09:49 PM
Fierochic88 Member Posts: 4987
quote Originally posted by aqua-man: 2000 or slightly under. 5 speed Getrag in a 86 GT.
Earl
Right around the same - maybe even 2200 (in an 88GT)
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10:14 PM
fieroman87 Member Posts: 647
i'm pulling about 2200 as well in an 87 getrag
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10:45 PM
Fierobsessed Member Posts: 4782
2000 even, with 17" wheels.
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11:22 PM
Nov 25th, 2004
FIEROPHREK Member Posts: 4424
quote Originally posted by Fierobsessed: 2000 even, with 17" wheels.
your speedometer will "read" the same no matter what diameter wheels you have installed (unless you have your speedometer recalibrated). With bigger wheels your actual speed will be higher than the indicated speed. So if you get pulled over for doing 60 in a 55mph zone and your speedometer said 55, your bigger tires make up that 5mph differance. Same goes with installing smaller diameter tires just vice versa.
So be carefull.
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09:36 AM
tripple8 Member Posts: 210
Disillusion Member Posts: 1132
2200rpm at 60mph in 5th. 87 GT 5speed
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02:20 PM
Gecko Member Posts: 5954
and here I thought you weren't supposed to be in 5th gear until you were doing atleast 85 LOL j/k
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02:59 PM
88White3.4GT Member Posts: 1604
2900..... in a 3 speed auto.. lol.... i hate my auto...=(
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03:32 PM
rogergarrison Member Posts: 49601
technically, its the tire size, not the wheel size that affects speedo accuracy. Dont matter if its 14, 16 or 20 inch wheels.
5th gear...............whats that...............lol
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04:17 PM
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Nov 26th, 2004
GT86 Member Posts: 5203
My 86 GT runs just a hair above 2000.
[This message has been edited by GT86 (edited 11-26-2004).]
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02:52 AM
Fierobsessed Member Posts: 4782
silly me, forgot about that! It'll do that without tires on the car... LoL.
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02:54 AM
Nov 27th, 2004
Kameo Kid Member Posts: 2343
quote Originally posted by rogergarrison: technically, its the tire size, not the wheel size that affects speedo accuracy. Dont matter if its 14, 16 or 20 inch wheels.
5th gear...............whats that...............lol
that is kinda misleading. It's the dia. size of the tire that you would take into consideration. I think that 20" wheels are bigger than the 14"wheel combos that some are running. LOL
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01:02 PM
