 got a question, for Jake Raby |
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| bd1308 |
 Aug 3 2005, 10:39 AM
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Sir Post-a-lot  Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501  |
you said in a previous post that one should not go below 3500RPM in 5th gear, as the airflow is not sufficient enough for proper cooling.
i have some problems with this.... 1) in my car, at 70mph, I am around 3200RPM in 5th...sometimes i am even running 3000RPM and occasionally run even 2800RPM for short periods of time. Are you suggesting that I should not shift into 5th gear at all? 2)I have also heard that the type 4 cooling fan efficiency goes down after around 4000RPM....it was mentioned by someone on this board, but the user name escapes me. Is this true? I tried running 75 in 4th gear and I was running more than 4000RPM..... I think i am missing something.... |
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| Jake Raby |
Aug 3 2005, 03:20 PM
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Engine Surgeon Group: Members Posts: 9,398 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
How tall in inches are those tires??
Remember that a shorter tire will throw off the calibration of the speedo, so you are turning less engine RPM to gain more speedo MPH.... But because of the shorter tire you have to have more engine RPm to run the same true speed.... "Every action has an equal and opposite reaction" |
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Posts in this topic
bd1308 got a question Aug 3 2005, 10:39 AM
bondo What you need is a tire with variable diameter... Aug 3 2005, 10:56 AM grantsfo Is your speedo correct? If it is you have some da... Aug 3 2005, 11:11 AM Aaron Cox with the rubber band 205/50 tires, 80 mph is like ... Aug 3 2005, 01:46 PM bd1308 i keep up with traffic, and i'm doing 4000rpm ... Aug 3 2005, 02:06 PM MattR Do you have any vinyl graphics? That will make yo... Aug 3 2005, 02:35 PM bd1308 no...but I have the VTEC sticker....added at least... Aug 3 2005, 02:39 PM Jake Raby How tall is your rear tire?? Tire size impacts fin... Aug 3 2005, 02:48 PM Joe Ricard I'm a personal fan of 4000 in ZD 5th. 195/60-... Aug 3 2005, 03:00 PM bd1308 ... Aug 3 2005, 03:11 PM JmuRiz Interesting, I did notice my car is much happier r... Aug 3 2005, 03:18 PM MattR Aug 3 2005, 03:18 PM bd1308 195/60R15 Aug 3 2005, 03:21 PM lapuwali The stock tires were 165/85-15, which is roughly 6... Aug 3 2005, 04:21 PM
914forme <... Aug 3 2005, 05:04 PM |
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