So assuming we take the 1st gear ratios (0.787 5th) of the 4th gen tranny, all things being equal, only in 1st and 3rd gear will the 4th gen tranny pull faster than a 5th gen right? On a highway romp (and in in 2nd gear) the 5th gen tranny will pull harder?
And the ratios match the second one you posted (PO.com)
M2B4 has the same ratios as USDM 4th gens
M2Y4 is 5th gen
anyways yur definition of 'pull faster' isn't really easy to define here. There are many factors that determine how fast a car goes. All you can really derive from comparsions of gear ratios is that in a given gear at a given rpm a car will be going a certain speed.
If a car has more power and/or lighter rotating parts though...it could have longer gears but still be faster
i dont know if this helps eney but i have a 5th gen with a 4th gen trans and its much faster than my freinds 5 gen with a 5 th gen trans !!! i raced him and beat him by 2 cars !!many times ..
Originally posted by fastprelude6065 i dont know if this helps eney but i have a 5th gen with a 4th gen trans and its much faster than my freinds 5 gen with a 5 th gen trans !!! i raced him and beat him by 2 cars !!many times ..
I've done the same. They had more mods, but heavier wheel/tire combo, so who knows.
I'm new to the forums here. I own a 5th gen black VTEC, Bored out with no CAT. What do you guys feel the proper shift points to make optimum use of the gears would be?
I'm new to the forums here. I own a 5th gen black VTEC, Bored out with no CAT. What do you guys feel the proper shift points to make optimum use of the gears would be?
This is more of a "racing" question than an engine question. But I will answer this quickly...
Just shift before redline.
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I'm new to the forums here. I own a 5th gen black VTEC, Bored out with no CAT. What do you guys feel the proper shift points to make optimum use of the gears would be?
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does anyone know if the m2b4 final gear can fit in a m2y4 i got a m2b4 tranny but its in pieces i was wondering if it would be easier to just swap the final gear
I'm new to the forum and live in the UK. I have a 95 UK supplied Prelude VTEC which I want to sell now. I just bought a 2000 model 5th Gen Prelude 2.2Vti 200bhp 'red top'. Great car but for my kind of driving I think the gear ratios are useless - totally unsuitable for the highway. I thought my '95 had low gears! Anyway, can somebody please tell me catagorically if I can swap the trannys between the two cars and will I get a taller 5th gear in my 5th gen as a result? Will I require any mods on the car? Any new bits I need to buy? Also what would change in my driving experience on the other 4 gears in terms of actual performance. Honda should have been a bit more generous in making this car by giving it 6 gears! I want to keep my new Prelude, but the poor fuel economy for long distances is making me think twice, with petrol prices currently at £1.20 a litre!!!
8k is redline but how far should i go in first gear? I heard it's a really short gear
It should be geared such that when you shift at redline, it keeps you above the VTEC point in 2nd gear. That is what is important.
Quote:
Originally Posted by katana7
Great car but for my kind of driving I think the gear ratios are useless - totally unsuitable for the highway. I thought my '95 had low gears! Anyway, can somebody please tell me catagorically if I can swap the trannys between the two cars and will I get a taller 5th gear in my 5th gen as a result?
Assuming your 4th gen uses an EDM M2F4 and your 5th gen uses an M2Y4, 5th gear is longer in the 5th gen, which should improve fuel economy, not worsen it. That's the only gear that will substantially affect your fuel economy. Indeed, the table shows that 5th gen gearing is actually longer than the EDM 4th gen, so I can't understand why you are complaining.
[quote=Assuming your 4th gen uses an EDM M2F4 and your 5th gen uses an M2Y4, 5th gear is longer in the 5th gen, which should improve fuel economy, not worsen it. That's the only gear that will substantially affect your fuel economy. Indeed, the table shows that 5th gen gearing is actually longer than the EDM 4th gen, so I can't understand why you are complaining.[/QUOTE]
I must not have the M2F4 in my 4th gen. My 4th gen does about 3500rpm@70mph, but my 5th gen does about 3800rpm@70mph. Do those figures relate to trannys other than what you mentioned?
I believe Artifex is right. The 4th gens do have shorter gears. I have a usdm M2F4 in my 4th gen and at 80mph i am at around 4200rpm. By the way is there any difference between the USDM and EDM M2F4?
Correct if I am wrong by the second set of M2B4 gear rations in Somboa's post look like the M2F4 ratios (that is just of memories from the helms). I believe the M2B4 ratios are identical to M2A4 (the non-LSD JDM tranny).
Correct if I am wrong by the second set of M2B4 gear rations in Somboa's post look like the M2F4 ratios (that is just of memories from the helms). I believe the M2B4 ratios are identical to M2A4 (the non-LSD JDM tranny).
Thats what ive seen also and actually sometimes I see those two different also. So who knows ?
Well what would you recommend adding on at this point? More internals or maybe gears or what? Where would you begin? That's why I'm stuck.
You never answered my question. Why do you need to go more than 124mph? Are you running the quarter mile (sorry, it would take more power to get to 124mph)? Are you tracking the car at MSR Houston (which you might be able to get there but I doubt it again)?
If you're doing it on the street, I'm not going to add anything further because I already told you how to incease the top speed of the car. You just didn't read it slow enough.
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