Prelude auto-shift transmission on a 90 accord
Hey, guys. Im a new guy with alot of creative ideas, no idea how feasible they are, and absolutely no funds to work with. Its a very very sad day for me. But anyway, here are so many guys, and girls, here well versed in accords of all kinds. I do alot of research (its all I can really afford to do, really) and I just had some ideas. I have heard alot of drag experts say that auto tranny's are better for consistent drag racing, but I figure that the inability to shift when you want or need to would be a big factor to. I figure the prelude auto-shift capabilty on the 5th Gen would help with that? Anyone know hard it would be to install that on an accord or how hard it would be to fabricate a push-button shift mode? Something that could maybe work with racing steering wheel horn buttons, but only when activated, to allow for normal driving mode too?
you don't want this, it's ideal for cars that run about 6 second or less quarter miles and can afford to lose a little bit of power, but for our boaty accords, the manual tranny is a must...the automatics (along with the sport shifters) lose too much power to the wheels and when you are only working with a small amount anyways you really don't want to inhibit on that...stick with the manual...and besides, if you modified the powerband at all, you wouldn't be able to take advantage of it with an auto car (or sport-shift for that matter)....(and by the way, the sport shifts will shift for you at redline so you don't blow up your motor, they aren't exactly what you are thinking)
and by the way, the sport shifts will shift for you at redline so you don't blow up your motor, they aren't exactly what you are thinking
I think that these Drag experts are also referring to mainly RWD domestic type drag cars who have stronger auto trannies.
and by the way, the sport shifts will shift for you at redline so you don't blow up your motor, they aren't exactly what you are thinking)
Yes, it will bounce off the rev limiter, I have done it in my brothers prelude. And it would be easy to wire it to horn buttons, you just tap into the micrswitches it uses for upshifting and downshifting. I looked into this a while back. The only proble is getting it to work in an older car. It could be a real pain wiring in the new ecu's
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so it would work! Something I can look forward to when I got some cash
Well, I see it won't help much on a drag car, but Im also looking to do autocross and road racing. With the big boat of an accord I have, I should probably stick to corner carving
As for the wiring, I don't think that would bother me too much. In fact it would make the project even more fun for me. Being that getting the tranny in there is the part I'd probably need the someone else to do. I had this idea for working with it in my car while keeping the stock shifter so no one could tell. There is a button for sport shifting on the auto shifter of the car. I figured if I wired that to engage the auto-shifter, and the horn buttons would control the shifting, it could work out great. Hope the prelude has a relay for the gear display, thats the only piece of the puzzle that I wasn't sure about.
Well, I see it won't help much on a drag car, but Im also looking to do autocross and road racing. With the big boat of an accord I have, I should probably stick to corner carving
As for the wiring, I don't think that would bother me too much. In fact it would make the project even more fun for me. Being that getting the tranny in there is the part I'd probably need the someone else to do. I had this idea for working with it in my car while keeping the stock shifter so no one could tell. There is a button for sport shifting on the auto shifter of the car. I figured if I wired that to engage the auto-shifter, and the horn buttons would control the shifting, it could work out great. Hope the prelude has a relay for the gear display, thats the only piece of the puzzle that I wasn't sure about.
I think you would have to use a prelude shifter. It is nothing like the accord one. It doesnt go straight foward and packwards, it goes all over the place, like on some of the acura models. Sorta like
....P__
........|
........ \ R
...+.....| N
....|---/ D4
....-...| D3
........| D2
........| D1
Image that without all the dots.
There are no buttons on the shifter, it like the **** on a manual trans. You move the shifter over from D4 to the left, to the sportshift gate. Then by pressing the stick fowards or backward, it activates microswitches that tell the trans to shift.
[Modified by souljad9, 7:35 PM 7/24/2002]
[Modified by souljad9, 7:36 PM 7/24/2002]
....P__
........|
........ \ R
...+.....| N
....|---/ D4
....-...| D3
........| D2
........| D1
Image that without all the dots.
There are no buttons on the shifter, it like the **** on a manual trans. You move the shifter over from D4 to the left, to the sportshift gate. Then by pressing the stick fowards or backward, it activates microswitches that tell the trans to shift.
[Modified by souljad9, 7:35 PM 7/24/2002]
[Modified by souljad9, 7:36 PM 7/24/2002]
well, I know how the prelude shifter is setup. The one thing I do know about most to all the auto trannies in honda's is that they run off of computer modules. So its like you said, souljad9, wiring it would be a pain in an older car, but it could very well be done. Not the easiest thing to do, most folks would just go ahead and get the stick just out of simplicity and the fact that is has been done before and it only requires stock parts and no fab. But Im looking to be different. I figure for someone with a more computer-oriented mind it would be easier to do wiring than to do all of the mechanical labor involved in changing from auto to manual.
[Modified by BEvol_111, 11:48 AM 7/24/2002]
[Modified by BEvol_111, 11:48 AM 7/24/2002]
the problem is that obd1 cars had a seperate transmission control module, obd2 cars do not...the transmission control is within the ecu...
have fun with that
have fun with that
summovabish........ ok ok... that sucks.... that sucks bad, yeah...... f22b1, what years were they OBDII??? anybody? anybody at all?
summovabish........ ok ok... that sucks.... that sucks bad, yeah...... f22b1, what years were they OBDII??? anybody? anybody at all?
excellent....
so my plans aren't completely screwed. The autoshift has obviously got a microswitch array that with a few parts from Radio Shack could be fabricated. The reason why I like this idea so much is cause no one else is really demented enough to actually wanna do this. its not THAT much more expensive than just getting a stick, probably, but its original. Gotta love original... Damn I hate not having money. (the wailing cry of the unemployed scholarship student...)
so my plans aren't completely screwed. The autoshift has obviously got a microswitch array that with a few parts from Radio Shack could be fabricated. The reason why I like this idea so much is cause no one else is really demented enough to actually wanna do this. its not THAT much more expensive than just getting a stick, probably, but its original. Gotta love original... Damn I hate not having money. (the wailing cry of the unemployed scholarship student...)
dude. Perhaps you need to divert your funds into school and let the car sit on the back burner. This is one helluva project.
well thats kinda the thing, school's taken care of. I don't even have to worry about LOAN payments, really. 2 years debt free and planning on three more to come out with my masters. So believe me, when it comes to school, my head is in the right place. But this is a dream, a dream I'd like to work toward. Sure this could wait three, four, hell, maybe even ten years. But who wants to wait that long when you can start hustling now?
Dont get me wrong, I know my limits. I got some time. just dont want it to be forever.
Dont get me wrong, I know my limits. I got some time. just dont want it to be forever.
why is everyone refering to accords as boats? If i do recall the 90-93 accord ex's weigh in at 2800lbs depending the options and preludes of the same years are around 2900lbs. preludes are light like people think, they are up there in the 3000lb range. I wanted one becuase i thought they would be lighter but then when i found specs online they are pretty much the same.
all I can say is good luck. if you get it done then post pics.
I just rreplied to a topic similar to this one just a while ago. it's a pain in the ***. dont do it! halfway thru the project, you'll see that you coulda spent all that money of beer and cheap women and reap better results.
I just rreplied to a topic similar to this one just a while ago. it's a pain in the ***. dont do it! halfway thru the project, you'll see that you coulda spent all that money of beer and cheap women and reap better results.
ok, #1: if you want to shift your automatic like a manual, get the Level10 Shiftronic setup. much better than the lude ss. also lets you change the shift firmness and gives you lock-up control. or in about 6 months you can get the Protech electronics, dont know the specifics of it, but its supposed to blow the L10 stuff out of the water.
#2: OBDI and OBDII tranny computers arent that hard to interchange if you have any wiring/electronic abilities whatsoever.
#2: OBDI and OBDII tranny computers arent that hard to interchange if you have any wiring/electronic abilities whatsoever.
Preludes are not as heavy as some of you guys may think:
92-96 VTEC 2932lbs
97-01 base 2954
97-01 SS 3009
97-01 SH 3042
My 95 4 door EX Accord with an H22 is probably around 3000lbs. 4 door EX Accords are heavy they are all in the 3,000 lbs range.
As for automatic H22s get a JDM auto tranny. They are nothing like the crappy SS tranny.
92-96 VTEC 2932lbs
97-01 base 2954
97-01 SS 3009
97-01 SH 3042
My 95 4 door EX Accord with an H22 is probably around 3000lbs. 4 door EX Accords are heavy they are all in the 3,000 lbs range.
As for automatic H22s get a JDM auto tranny. They are nothing like the crappy SS tranny.
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