Few questions.
I tried searching but haven't found quite the content I was looking for so I figured I'd make a poll.
I just obtained my first EF about a month ago, Yesterday I did a 4 to 5 speed SI tranny swap. I am quite pleased with the fifth gear, it also seems like the gearing helps with the PAR a little too
My plans for it as of now are a MPFI swap followed by a possible D16 swap, I was asking your alls opinions on my plans. I'm not looking for anything beastly something quick and reliable.
One question I did have though, my car is a DX, 91, my buddy has an SI 91 cylinder head chilling in his garage, would swapping out the SI cylinder head give me any gains at all? Any pros to doing this?
Thank you all in advance for input/advice
Modified by mrjingles8705 at 5:37 PM 8/10/2008
I just obtained my first EF about a month ago, Yesterday I did a 4 to 5 speed SI tranny swap. I am quite pleased with the fifth gear, it also seems like the gearing helps with the PAR a little too

My plans for it as of now are a MPFI swap followed by a possible D16 swap, I was asking your alls opinions on my plans. I'm not looking for anything beastly something quick and reliable.
One question I did have though, my car is a DX, 91, my buddy has an SI 91 cylinder head chilling in his garage, would swapping out the SI cylinder head give me any gains at all? Any pros to doing this?
Thank you all in advance for input/advice

Modified by mrjingles8705 at 5:37 PM 8/10/2008
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mrjingles8705 »</TD></TR><TR><TD CLASS="quote">I tried searching but haven't found quite the content I was looking for so I figured I'd make a poll.
I just obtained my first EF about a month ago, Yesterday I did a 4 to 5 speed SI tranny swap. I am quite pleased with the fifth gear, it also seems like the gearing helps with the PAR a little too
My plans for it as of now are a MPFI swap followed by a possible D16 swap, I was asking your alls opinions on my plans. I'm not looking for anything beastly something quick and reliable.
One question I did have though, my car is a DX, 91, my buddy has an SI 91 cylinder head chilling in his garage, would swapping out the SI cylinder head give me any gains at all? Any pros to doing this?
Thank you all in advance for input/advice
Modified by mrjingles8705 at 5:37 PM 8/10/2008</TD></TR></TABLE> I wouldn't bother if you are just looking a little more power wise just do the MPFI.
The head it self is the same casting. The cam is different mildly, i'd leave what you have or go with something even larger honestly.
I just obtained my first EF about a month ago, Yesterday I did a 4 to 5 speed SI tranny swap. I am quite pleased with the fifth gear, it also seems like the gearing helps with the PAR a little too

My plans for it as of now are a MPFI swap followed by a possible D16 swap, I was asking your alls opinions on my plans. I'm not looking for anything beastly something quick and reliable.
One question I did have though, my car is a DX, 91, my buddy has an SI 91 cylinder head chilling in his garage, would swapping out the SI cylinder head give me any gains at all? Any pros to doing this?
Thank you all in advance for input/advice

Modified by mrjingles8705 at 5:37 PM 8/10/2008</TD></TR></TABLE> I wouldn't bother if you are just looking a little more power wise just do the MPFI.
The head it self is the same casting. The cam is different mildly, i'd leave what you have or go with something even larger honestly.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mrjingles8705 »</TD></TR><TR><TD CLASS="quote"> Yesterday I did a 4 to 5 speed SI tranny swap. ....
One question I did have though, my car is a DX, 91Modified by mrjingles8705 at 5:37 PM 8/10/2008</TD></TR></TABLE>
Was it an auto to manual swap? Because the manual DX came with a 5-speed tranny. The base civic was the only manual 4-speed. Just want to make sure you didn't get duped when you bought the car.
One question I did have though, my car is a DX, 91Modified by mrjingles8705 at 5:37 PM 8/10/2008</TD></TR></TABLE>
Was it an auto to manual swap? Because the manual DX came with a 5-speed tranny. The base civic was the only manual 4-speed. Just want to make sure you didn't get duped when you bought the car.
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Honda CRX / EF Civic (1988 - 1991)
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