crx hydro trans swap on single cam
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Honda-Tech Member
Joined: Aug 2007
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From: winchester, virginia, usa
i have a 95 civic ex trans that has just been redone and has had a lsd installed in it. im planing to swap it into my car when i put my minime in it. i was wondering if there is a factory trans mount that i could use to install it in my crx or would i have to use a set of hydro trans b swap mounts. im trying to do this on a low budget. it will be a dd. i dont want to put a cable trans back in it as i am already in the middle of converting it to a full 92 up hydro clutch set up. i have da spindles on the car so i know that im going to have to use 92 up axles. i have a set of automatic axles out of a 93 hatch laying arround and was also wondering if there is any difference between them and 5 speed axles. if not, i was just going to use them to save myself from buying new ones. any insight will be appreciated, as im a bit lost, and cant seem to find any inf on this subject.
This might help: Hasport just started selling a d series motor mount kit and hydro conversion.
https://honda-tech.com/zerothread?id=2090354
and look up the part #'s for the axles, here's Majestic Honda's site:
http://www.hondaautomotiveparts.com/
https://honda-tech.com/zerothread?id=2090354
and look up the part #'s for the axles, here's Majestic Honda's site:
http://www.hondaautomotiveparts.com/
Thread Starter
Honda-Tech Member
Joined: Aug 2007
Posts: 285
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From: winchester, virginia, usa
sweet the axles are the same part number!
not looking to spend that much money. a friend of mine has a set of hydro b swap mounts for sale for cheap that im thinking bout buying and using. has someone else on here done this? if so, i need details and how good it worked.
not looking to spend that much money. a friend of mine has a set of hydro b swap mounts for sale for cheap that im thinking bout buying and using. has someone else on here done this? if so, i need details and how good it worked.
Thread Starter
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Joined: Aug 2007
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From: winchester, virginia, usa
yeah but the thing is that 92 up d's and 94 up b's use the same mounts, so why wont swap mounts made to put say a 95 ls in a crx with a hydro trans not worh to put a 95 single cam with a hydro trans in a crx, when both motors use the same oe replacement mounts from hasport. it just seems that if you can put a b inte an eg with stock mounts, you should be able to put a d with a hydro trans in using the b swap mounts for the rex. i know for a fact that you can put a b into an eg using stock sigle cam mounts because i have done it 3 times. i just dont see how it cant work when all of the mounting locations and bolt patterns are the same on the newer stuff (except for the torque mount on the frount of the trans which wouldnt be used with this set up ne ways)
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IT GUY »</TD></TR><TR><TD CLASS="quote">EF is not an EG.
it won't work.
</TD></TR></TABLE>
I'm kinda following the OP's logic... If EG's and DC's use the same pass side tranny mount, then it should be the same mount to put either of the trannys in an EF. Or you could use the mount and adapter bracket on the left with a stock cable D tranny mount:

Modified by dubzz24 at 6:02 PM 10/12/2007
it won't work.
</TD></TR></TABLE>I'm kinda following the OP's logic... If EG's and DC's use the same pass side tranny mount, then it should be the same mount to put either of the trannys in an EF. Or you could use the mount and adapter bracket on the left with a stock cable D tranny mount:
Modified by dubzz24 at 6:02 PM 10/12/2007
Thread Starter
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Joined: Aug 2007
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From: winchester, virginia, usa
i wasnt saying that it was. i was saying that 92 and up d motors and tranys have the same mount locations and paterns as 94 and up b motors and trannys. and since they both use the same oe mounts , and they are in the same location that swap mounts that are made to swap a hydro 94 up b should also work on a hydro 92 up d. give one good technical reason that it wont work other than simply saying they are for a b not a d, or an eg is not an ef. the chasise has nothing to do with it when the mounts are desighned to swap a b in a crx, but should also work on a d due to the stated above about having the same mount locations and patterns on the motor and trans, i wasnt talking about the locations on the chassie. there is even one guy in the forrum that you gave me the link to that has done this already. so now do you have any real info that you have learned from experiance, or that you can find on the subject from someone who knows what they are talking about.
ok. I kinda see what's going on.
I thought he was saying you could put a b series in an EF the same way you could in an EG, with OEM mounts from an EG.
It seemed like he was trying to say that EG and EF mounts were the same.
I dunno, it's late at work... I can't think anymore, heading home.
you guys have a good night.
GL with the swap OP
I thought he was saying you could put a b series in an EF the same way you could in an EG, with OEM mounts from an EG.
It seemed like he was trying to say that EG and EF mounts were the same.
I dunno, it's late at work... I can't think anymore, heading home.
you guys have a good night.
GL with the swap OP
Thread Starter
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Joined: Aug 2007
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From: winchester, virginia, usa
thanx dude. i should have been a bit more specific so we wouldnt have had a arguement for so long, but now that you understand what i was sayin, do you see why i think it should work?
oh n dubzz24, i wasnt talking bout a da pass side mount, i was talkin bout how eg's and dc's have the same mounts. the da and eg mounts are different.
i dont realy like the look of using adapter brackets. id rather just have a mount that goes all the way from the frame rail to the trans, like a b swap would have. thats also why im going through the trouble of converting the car to hydro from the clutch pedal all the way to the trans. its also going to be permanently converted to obd1 because i dont like obd0 at all. all the wires will be pinned into the stock connectors.
i think ima go pm the guy who already done it and get some of his oppinions since he hasent read this or just didnt feel like jumping in here and voicing himself
oh n dubzz24, i wasnt talking bout a da pass side mount, i was talkin bout how eg's and dc's have the same mounts. the da and eg mounts are different.
i dont realy like the look of using adapter brackets. id rather just have a mount that goes all the way from the frame rail to the trans, like a b swap would have. thats also why im going through the trouble of converting the car to hydro from the clutch pedal all the way to the trans. its also going to be permanently converted to obd1 because i dont like obd0 at all. all the wires will be pinned into the stock connectors.
i think ima go pm the guy who already done it and get some of his oppinions since he hasent read this or just didnt feel like jumping in here and voicing himself
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondadude_rudo »</TD></TR><TR><TD CLASS="quote">oh n dubzz24, i wasnt talking bout a da pass side mount, i was talkin bout how eg's and dc's have the same mounts. the da and eg mounts are different. </TD></TR></TABLE>
Typo, my bad! I knew what you were talking about, just typed DA instead of DC for some reason
Typo, my bad! I knew what you were talking about, just typed DA instead of DC for some reason
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IT GUY »</TD></TR><TR><TD CLASS="quote">dude, they are b series mounts and a b series hydro conversion.
they won't work.
That's why I posted the link to the Hasport thread</TD></TR></TABLE>
Here is my setup that I am posting at the request of the OP
1991 CRX SI w/ D16A6 and Z6 hydro D series trans
Mounts: Place Racing Hydro B Swap mounts with custom rear bracket.
Mock up Forgive the dirty engine bay, the car sat outside for 2yrs.


Drivers mount need some redrilling on the front hole.

Everything pretty level/plumb


Custom rear bracket.


CNC Hydrolic master cyl with Tilton clutch pedal for true hydrolic system


Engine mounted, at this point I was building the wiring harness

Finished Product

I used the B series mounts since they moved the motor forward 1.5 inches so the shift linkage will need to be lengthened and you will lose some axle geometry. I needed to move the motor forward inorder to make room for a larger intake manifold.
The mounts cost me under 100 dollars used and the clutch system was another 100. If I didnt need to move the engine forward I would run the Hasport mounts for simplicity but would stick with my full hydrolic clutch system since most mechanism I have tried dont have a good feal on heavy pressure plates. Right now the car has a stage 3 pressue plate and the pedal feals stock.
they won't work.
That's why I posted the link to the Hasport thread</TD></TR></TABLE>
Here is my setup that I am posting at the request of the OP
1991 CRX SI w/ D16A6 and Z6 hydro D series trans
Mounts: Place Racing Hydro B Swap mounts with custom rear bracket.
Mock up Forgive the dirty engine bay, the car sat outside for 2yrs.


Drivers mount need some redrilling on the front hole.

Everything pretty level/plumb


Custom rear bracket.


CNC Hydrolic master cyl with Tilton clutch pedal for true hydrolic system


Engine mounted, at this point I was building the wiring harness

Finished Product

I used the B series mounts since they moved the motor forward 1.5 inches so the shift linkage will need to be lengthened and you will lose some axle geometry. I needed to move the motor forward inorder to make room for a larger intake manifold.
The mounts cost me under 100 dollars used and the clutch system was another 100. If I didnt need to move the engine forward I would run the Hasport mounts for simplicity but would stick with my full hydrolic clutch system since most mechanism I have tried dont have a good feal on heavy pressure plates. Right now the car has a stage 3 pressue plate and the pedal feals stock.
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