NA FC motor into FB?
Thread Starter
Joined: Aug 2001
Posts: 2,991
Likes: 34
From: Deadmonds, WA
NA FC motor into FB?
i've seen a lot of discussions of a TII FB hybrid, but i don't recall any about putting a non-turbo 2nd gen 13b into a FB.
off the top of my head, i'd assume the project wouldn't be as difficult as the TII swap in that the FB trannies are swappable w/ FC NA trannies, to there'd be less driveline work to worry about.
also, would a GSL rearend hold up to the power made by a series 4 NA motor? 145hp IIRC...
i'm kinda going over my options as my 12a just gave up the ghost and this seems worth considering since the NA 13bs are more reliable than the 13bT...and a lot more common...and it'd have about 15 more hp than a -SE.
what do y'all think?
off the top of my head, i'd assume the project wouldn't be as difficult as the TII swap in that the FB trannies are swappable w/ FC NA trannies, to there'd be less driveline work to worry about.
also, would a GSL rearend hold up to the power made by a series 4 NA motor? 145hp IIRC...
i'm kinda going over my options as my 12a just gave up the ghost and this seems worth considering since the NA 13bs are more reliable than the 13bT...and a lot more common...and it'd have about 15 more hp than a -SE.
what do y'all think?
Rotary Enthusiast
Joined: Nov 2001
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From: Springfield , mo
when mine went i had that option but one thing stopped me fuel injection that means you need the ecu and all kinds of other thing to mount up a 13b. i have a wide selectoion of 12a right now.
dan
dan
Thread Starter
Joined: Aug 2001
Posts: 2,991
Likes: 34
From: Deadmonds, WA
Originally posted by jr69187
when mine went i had that option but one thing stopped me fuel injection that means you need the ecu and all kinds of other thing to mount up a 13b. i have a wide selectoion of 12a right now.
dan
when mine went i had that option but one thing stopped me fuel injection that means you need the ecu and all kinds of other thing to mount up a 13b. i have a wide selectoion of 12a right now.
dan
Admitted Sevenaholic
Joined: Feb 2001
Posts: 1,910
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From: Ashland, OH
Its been fun swapping a 86' FI 13B into a GSL
But for gains not much more than a GSL-SE I wouldn't do it again.
I'd do a Stock T2 and ECU swap next time.
but when the parts to swap are sitting there, why not?
yes, there is a bit more work for the T2, but its ALOT of work to start with
might as well get the most for the hours spent
here are some pix of the conversion
http://my7.rx-7.org/Paul/
But for gains not much more than a GSL-SE I wouldn't do it again.
I'd do a Stock T2 and ECU swap next time.
but when the parts to swap are sitting there, why not?
yes, there is a bit more work for the T2, but its ALOT of work to start with
might as well get the most for the hours spent
here are some pix of the conversion
http://my7.rx-7.org/Paul/
Rotary Enthusiast
Joined: Nov 2001
Posts: 775
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From: Springfield , mo
That and i found a running 12 a in the junkyard with 64k on it. But i was just thinking you need different motor mounts. you may need a better fuel pump. you need a place to mount the 13b ecu. you will have to set up a different throttle setpu from you 12a carb to the 13b efi. Plus i have heard of people having more problems with 13b than with 12a plus i hear 12as last longer. but then again i just like my 12a cause it has carb that some day with have a supercharger under it. this will make more power than a 13b and still be easier for me to work on and tune. but this is just my opinion.
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Opinions are like ******** everyone has one and most of them stink.
dan
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Opinions are like ******** everyone has one and most of them stink.
dan
Old [Sch|F]ool
Joined: May 2001
Posts: 12,869
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From: Cleveland, Ohio, USA
I wouldn't say there's NO advantage... 2nd gen engines can rev lots higher than 1st-gen due to the 2nd-gens' superior apex seals.
That's a good thing when you put together an engine and you run up to the 8500rpm ceiling and you could be making more power at higher RPM (porting) but you can't go higher than 8500 or you'll be driving your car the next day and lunch an apex seal 20 miles from home...
That's a good thing when you put together an engine and you run up to the 8500rpm ceiling and you could be making more power at higher RPM (porting) but you can't go higher than 8500 or you'll be driving your car the next day and lunch an apex seal 20 miles from home...
