Acura Integra All Integra Except ITR

Tranny rpms

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Old Oct 10, 2010 | 08:45 PM
  #1  
ek souljah's Avatar
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Default Tranny rpms

i have a type r transmission but i am having issues with this crap.

i searched and looked, type r trannies shifting at 8,500 throws u back at 6,500 rpms to stay in vtec range.

when i take off from 1st to 8,500rpms, it throws me to 6k rpms.

basically

1st to 8,500rpms= 6k starting 2nd
2nd to 8,500rpms= 6,500 starting 3rd


now here is the part that confuses me alot, top mph in type r tranny in 3rd is 80mph, well mine goes to 92mph but somehow throws me at 6,500 like a type r tranny does.

any ideas?

5th gear at 80mph im at 4,200k too.

Last edited by ek souljah; Oct 11, 2010 at 07:14 PM.
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Old Oct 11, 2010 | 07:42 AM
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Default Re: Tranny rpms

Originally Posted by ek souljah
i have a type r transmission but i am having issues with this crap.

i searched and looked, type r trannies shifting at 8,500 throws u back at 6,500 rpms to stay in vtec range.

when i take off from 1st to 8,500rpms, it throws me to 6k rpms.

basically

1st to 8,500rpms= 6k starting 2nd
2nd to 8,500rpms= 6,500 starting 3rd


now here is the part that confuses me alot, top mph in type r tranny in 3rd is 80mph, well mine goes to 92mph but somehow throws me at 6,500 like a type r tranny does.

any ideas?

5th gear at 80mph im at 4k too.

You really need to know what you bought. There are so many variations out there that is difficult for anyone to help.

For instance, you could have a stock JDM (4.786 FD), stock USDM (4.4 FD), stock USDM with JDM FD, USDM + JDM FD + GSR 5th, etc.

Take a look at this chart and see if that makes sense:
http://www.a-t-s-usa.com/ats-product...mparison.shtml
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Old Oct 11, 2010 | 11:18 AM
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Default Re: Tranny rpms

Originally Posted by Wai
You really need to know what you bought. There are so many variations out there that is difficult for anyone to help.

For instance, you could have a stock JDM (4.786 FD), stock USDM (4.4 FD), stock USDM with JDM FD, USDM + JDM FD + GSR 5th, etc.

Take a look at this chart and see if that makes sense:
http://www.a-t-s-usa.com/ats-product...mparison.shtml
Not JDM. Mine at 80 is closer to 5k (mid to high 4's) rpm in 5th
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Old Oct 11, 2010 | 11:25 AM
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Default Re: Tranny rpms

Originally Posted by '00_GSR/R
Mine at 80 is closer to 5k (mid to high 4's) rpm in 5th
x2 same here
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Old Oct 11, 2010 | 06:22 PM
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Default Re: Tranny rpms

Originally Posted by '00_GSR/R
Not JDM. Mine at 80 is closer to 5k (mid to high 4's) rpm in 5th
Maybe he had a GSR 5th, again who knows.
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Old Oct 11, 2010 | 06:36 PM
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Default Re: Tranny rpms

Originally Posted by ek souljah
Now here is the part that confuses me alot, top mph in type r tranny in 3rd is 80mph, well mine goes to 92mph but somehow throws me at 6,500 like a type r tranny does.
Tire size?

92 sounds about right... My 3rd ends at about 85, I think, but thats 8500 to 9000 rpm's. Its sounds close since mine is 4.7 and yours is 4.4 (if USDM ITR), but you probably shift at about 8500 and I go to 9000....
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Old Oct 11, 2010 | 06:45 PM
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Default Re: Tranny rpms

well thx for the replies. my front tires are 205-50-15 back ones are 195-55-15.

to be less confusing, every gear taking it to 8,500 thorws me back at 6,500 rpms, besides when shifting to 2nd which kinda slows me down cuz i can hear the engine. like when shifting to 2nd it dont automatically go to 6k, it goes to 6,500 and slides back to 6k rpms, idk if sounding very confused lol. i have come to think maybe is a clutch slippin, but then again it only does it on that gear only.

also, when im in 4th shifting at 8,500 rpms to 5th, it thorws me at 6,500 rpms but at 80mph im at 4,100-4,200.

i have videos i will try to get them here.

its also on a stock clutch, but i have a skunk2 pressure pedal. tranny came out a b18c5, engine is a jdm spec tho.

to WAI, that chart, is when shifting at 8k instead of 8,500, the "at shift up rpms", is that what ur rpms should be wen shifting at 8k?

EDIT: here is video number 1, take a look at the rpms drop from 6,500 rpms to 6k rpms instead of just stritcly dropping to 6k, u can also hear da engine wanting those extra 500 rpms.

1st-3rd gear
http://img830.imageshack.us/img830/5886/img0528.mp4


HERE is video number 2

1st-4th gear

http://img841.imageshack.us/img841/1748/img0529.mp4





HERE IS ME AT 5TH GEAR DOING 80MPH, ITS AT 4,200.





Uploaded with ImageShack.us

Last edited by ek souljah; Oct 11, 2010 at 07:40 PM.
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Old Oct 11, 2010 | 09:56 PM
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Default Re: Tranny rpms

Originally Posted by ek souljah
to WAI, that chart, is when shifting at 8k instead of 8,500, the "at shift up rpms", is that what ur rpms should be wen shifting at 8k?
Then you should try shifting at 8K and see if you could match those rpm. It's a great chart with all those possible combinations. From my understanding, the "at shift up rpms" is what you should see after upshifting.
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Old Oct 12, 2010 | 07:28 AM
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Default Re: Tranny rpms

Ill rape my R later today and get back to you on that. Just this once!!! JK

Really though I can't remember my 1st to 2nd shift. I usually just spin till 2nd hit the rev limiter anyway, but Ill give it a shot.
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Old Oct 12, 2010 | 09:02 AM
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Default Re: Tranny rpms

Well I wasn't kicking clutch or launching it hard, I was just flooring it if u know what I mean bro. Also had 150 lbs of custom sound box with speakers, 2 baskets full of clothes and a passenger lol when both if these vids where made lol. But I spin alot when I kick clutch n etc but LSD helps me.
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Old Oct 12, 2010 | 09:42 AM
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Default Re: Tranny rpms

You're not seriously using your factory tach to be precise, are you?

And you know there is a transmission forum, correct? Since you have a non-R, you might want to try there (or in the hybrid forum). We have no idea what you bought.
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Old Oct 12, 2010 | 11:56 AM
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Default Re: Tranny rpms

What's wrong with Using the fact gsr tach to be precise? All it's got a 1k more...
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Old Oct 12, 2010 | 12:02 PM
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Default Re: Tranny rpms

Originally Posted by '00_GSR/R
Tire size?
Tire size affects the actual speed, but does not affect the speed indicated on the speedometer or its relationship to RPM.
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Old Oct 12, 2010 | 04:21 PM
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Default Re: Tranny rpms

I just checked with that chart and I'm roughly 500 rpms higher than what the upshift says i should be in. ;example 1st is 5,200... Mine goes back to 5,700 at 8k shifting. Same for other gear. Any ideas?
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Old Oct 13, 2010 | 07:43 AM
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Icon3 Re: Tranny rpms

When you shift gears at a constant speed, the ratio between the two RPM's should be the same as the ratio between the gear ratios.

For example, here are the ratios for the '94-01 Integra:

Integra Type R
first 3.230
second 2.105
third 1.458
fourth 1.107
fifth 0.848

GS-R
first 3.230
second 1.900
third 1.360
fourth 1.034
fifth 0.787

Other Integras
first 3.230
second 1.900
third 1.269
fourth 0.966
fifth 0.714

No stock Integra sold in North America came with an 8500-RPM redline, and I don't recommend exceeding redline on any car, unless you enjoy spending thousands of dollars on repairs.

But let's say you're going 8000 RPM in first gear and you shift to second gear without changing your road speed. Here's what your RPM should then equal:

ITR: 8000*2.105/3.230 = 5214 RPM
Others: 8000*1.900/3.230 = 4706 RPM

You can do the math and use it to figure out which set of gears you've got in your car. If the math doesn't work the way it should, it's possible you have some other set of gears, or it's possible your tachometer isn't working properly.

Last edited by nsxtasy; Oct 13, 2010 at 10:46 AM.
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Old Oct 13, 2010 | 08:33 AM
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Default Re: Tranny rpms

Originally Posted by nsxtasy
No stock Integra came with an 8500-RPM redline, and I don't recommend exceeding redline on any car, unless you enjoy spending thousands of dollars on repairs.
DC5 ITR was 8500. Every other Type-R was 8400, except the NSX-R.
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Old Oct 13, 2010 | 10:46 AM
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Default Re: Tranny rpms

Originally Posted by '00_GSR/R
DC5 ITR was 8500. Every other Type-R was 8400, except the NSX-R.
Fixed.
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Old Oct 13, 2010 | 12:32 PM
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Default Re: Tranny rpms

https://honda-tech.com/forums/transmission-drivetrain-127/transmission-topic-index-good-links-etc-1922582/

Here is a really good write up. You should read the whole thing.
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Old Oct 13, 2010 | 03:23 PM
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Default Re: Tranny rpms

i already went thru that tranny write up bro, before i did this post.

u saying type r is 5,200 and others is even lower, but mine is actually higher wtf? mine is at 5,700 shifting at 8k
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Old Oct 13, 2010 | 03:37 PM
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Default Re: Tranny rpms

Really? Seems like you have a diff. final drive?
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Old Oct 13, 2010 | 06:02 PM
  #21  
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Default Re: Tranny rpms

Idk bro I'm fkn confused as he'll. Anybody?

Weird **** is how can I have a diff final drive if, shifting at 8,500 rpms it acts like a type r tranny cuz it puts me at 6,500, besides 1st to 2nd gear which slips to 6k... (goes to 6,500 and rapidly slows to 6krpms but i think clutch is slipping or I spin alot.

I'm really confused because I have diff upshift points from type r, but shifting at 8,500 it throws me at 6,500 which is type r upshift to stay in power band, and my 5th is at 4,200 rpms at 80 mph but every gear is 6,500 rpms. Even when going in 5th idk.
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Old Oct 13, 2010 | 06:28 PM
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Default Re: Tranny rpms

I tried mine a little, and when I shifted from 1st to 2nd at 8500 it goes to about 6000 as well, and the rest are about 8500 down to 6500. I know I have a jdm ITR tranny for sure.

The only difference is our 5th gear cruising speed. Mine is higher (4.7 FD), 80mph is almost 5000 rpm's. Sounds like you have a usdm ITR tranny.

The factory tach isn't exact either....
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Old Oct 16, 2010 | 12:13 PM
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Default Re: Tranny rpms

Originally Posted by dntnedvtec
Really? Seems like you have a diff. final drive?
The final drive gear doesn't affect the drop in revs. All gears go through the final drive gear. If you downshift from 8000 RPM in a gear with a 3.230 ratio to a gear with a 2.105 ratio, the revs will equal 8000*2.105/3.230 = 5214 RPM, no matter which final drive you have.

If your tranny is slipping, you may need a new clutch. (A slipping tranny may also throw off the revs; ignore any tach readings until it grabs.)
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Old Oct 16, 2010 | 01:48 PM
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Default Re: Tranny rpms

^ true. Gear ratios effect rpm drops between gears, and final drives effect mph in each gear. Something like that.... lol
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Old Oct 18, 2010 | 06:27 AM
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Default Re: Tranny rpms

Originally Posted by nsxtasy
The final drive gear doesn't affect the drop in revs. All gears go through the final drive gear. If you downshift from 8000 RPM in a gear with a 3.230 ratio to a gear with a 2.105 ratio, the revs will equal 8000*2.105/3.230 = 5214 RPM, no matter which final drive you have.

If your tranny is slipping, you may need a new clutch. (A slipping tranny may also throw off the revs; ignore any tach readings until it grabs.)
DAMN! I knew i read it backwards. I knew something was wrong there. Thanks.
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