new toy.
03-08-09, 12:48 AM
#1
yea, it runs, kinda
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new toy.
So I'm going to be going to get an FC today, and i'm not sure what i want to do to it. I have been thinking of just rebuilding the original motor and put it in, or build up a three rotor motor, or i'm sorry if i **** you off, dropping a small block in it. that last one is like..last resort. I'm basically looking for ideas from people, and info on how hard to rebuild the rotary is. but any information would be helpful. thanks ahead of time.
03-08-09, 11:48 AM
#2
Engine, Not Motor
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Just search for "rebuild information", "rebuild DVD", "rebuild video", etc. And then head over to the 2nd gen Archives forum. There are two rebuild threads, one by iceblue and one by me. While they both cover modified engines, the rebuild process is the same.
03-09-09, 02:51 PM
#3
yea, it runs, kinda
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i did see your rebuild thread.. looks awesome man. I do have a favor to ask tho.. can you send me a pic of the bracket you use to hold that motor up on the stand. if i could see it ..i could build one. but i am pretty excited about getting this car. i'll throw some pics on here to show ya. its in pretty good shape considering what i paid. but i pulled it into my shop last night, got it on the lift and changed fluids, pulled the plugs.. and i have no compression on the rear rotor..i didn't even get to the front..cause i know there's no point in checkin... but everything else is working good haha. all my lights work. all the power options. and the interior is in pretty good shape. found it sitting in a shed, had been there for 6 1/2 years. but i'm going tomorrow to look at another engine and see if it has compression..if it does.. i'll just swap it. but here's some pics...
putting it on the trailer...but we coudlnt' steer it.
finally up on the trailer and headed home
putting it on the trailer...but we coudlnt' steer it.
finally up on the trailer and headed home
03-09-09, 10:10 PM
#5
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Good luck bro, you have many options all cost money best of luck.Turbo 2 would be nice but do your research on the forum first and you will have a great guide from here,again good luck.
P.S. Put a little atf in the motor throuhg the plug opening on the front rotor and rear rotor unplug the crank sensor so you won't have spark or fuel put plugs back in and crank engine for about 3 minutes so you won't burn your starter do that twice put new plugs put everything back together and try to start it afterwords, but stand clear if it starts it will smoke out the nighborhood, the seals might just be carboned up from sitting for such a long time,hope it helps.
P.S. Put a little atf in the motor throuhg the plug opening on the front rotor and rear rotor unplug the crank sensor so you won't have spark or fuel put plugs back in and crank engine for about 3 minutes so you won't burn your starter do that twice put new plugs put everything back together and try to start it afterwords, but stand clear if it starts it will smoke out the nighborhood, the seals might just be carboned up from sitting for such a long time,hope it helps.
Last edited by jdmotorsports; 03-09-09 at 10:18 PM. Reason: added info
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03-10-09, 08:35 AM
#8
Engine, Not Motor
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I love barn finds. My '76 Cosmo is a barn car...
As for the bracket, I don't really have more detailed pictures because I never really gave it much consideration. All the vendors sell the adapters. There is also a thread in the Fabrication forum on how to make one from scrap metal. It's nothing more then a length of 1/4" angle iron with three holes drilled into it, and then a 2" (if memory serves) pipe to fit it into the stand.
As for the bracket, I don't really have more detailed pictures because I never really gave it much consideration. All the vendors sell the adapters. There is also a thread in the Fabrication forum on how to make one from scrap metal. It's nothing more then a length of 1/4" angle iron with three holes drilled into it, and then a 2" (if memory serves) pipe to fit it into the stand.
03-10-09, 09:45 PM
#9
yea, it runs, kinda
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thanks guys.. i'm gonna try that atf idea. i got a really good deal today again.. got the front clip from like.. teh firewall forward..plus trans for 150 so if my engine doens't work.. i have a second one.. and i can swap it to 5 speed. tho i'm not sure if they are diff series motors.. like if my intake and such will mount up fine. and now i'm also lookin at another FC convertible. I may have found a new addiction :P haha
03-11-09, 01:33 AM
#10
yea, it runs, kinda
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ok..update..My white coupe was manufactured in 89... and the coupe I'm taking the clip from was manufactured in 86. i'm not sure if they will both be s4 motors.. or if they will be one s4 and one s5. I basically want to know if i can take the short block from the clip into my coupe and use the manifolds and such. i've been lookin through the forums..and i haven't seen a definitive answer.. or maybe i did and didn't understand. but if someone has a link or something just let me know. thanks guys
03-11-09, 02:07 AM
#11
Zoom Zoom Baby
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nice, rotaries can be a bit addictive.
your coupe would be s5 and your clip would be s4 then.
here's a clip that sure cover it, but i'm not sure cause i haven't read it yet.
http://www.rotaryresurrection.com/2n...o_s5_swap.html
some others will surely chime in soon.
your coupe would be s5 and your clip would be s4 then.
here's a clip that sure cover it, but i'm not sure cause i haven't read it yet.
http://www.rotaryresurrection.com/2n...o_s5_swap.html
some others will surely chime in soon.
03-11-09, 09:32 AM
#12
Engine, Not Motor
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It's a bit annoying to do a cross series swap because essentially all the engine wiring changed between S4 and S5, and much of the body wiring as well.
As you suspect, the easiest thing to do is to simply swap the short block over. Or you can use all the S5 electronics on the S4 engine, but that is slightly more complicated.
As you suspect, the easiest thing to do is to simply swap the short block over. Or you can use all the S5 electronics on the S4 engine, but that is slightly more complicated.
03-11-09, 02:28 PM
#13
yea, it runs, kinda
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yeah.. i was basically asking if I could just swap over the short block. was just gonna use the intake and exhaust and all that off my coupe. and i've read..i need to do some grinding on the intake to make it fit.. and thats cool i can do that. i just didn't know how many things I'll need to alter to make it fit. I've love to knock this out in a weekend.. or so.
03-12-09, 01:15 AM
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sounds good. thanks. i'm gonna be double checking the other motor for compression once it warms up and i have a free day. if it doesn't i'm looking at a vert that i'm just gonna steal the motor and trans out of.
03-12-09, 10:18 AM
#16
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What I ment, was the motos are the same intake and exaust will bolt up, the difference is the rotors on the 86 have lower compression rotors compared to 89 and up and that also applies to turbo motors, 89 and up higher compression and 88 to 86 lower compression, hope that clears it up for you.
03-12-09, 12:26 PM
#17
yea, it runs, kinda
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yea i understand what you meant. i meant that i need to see if my second block has compression at all. Also... its from a 5-speed car and my coupe is automatic..aren't the flywheels gonna be diff. cause i know i keep the flywheel with the block it came on. cause i know that flywheels for automatics are different than for manuals. i guess i may just have to get this vert and yank the motor.
03-12-09, 03:44 PM
#18
Engine, Not Motor
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The automatic will have a different front counterweight to compensate for the lighter flex plate. If you put it in a manual car, you need to swap on the appropriate weight or use an aftermarket light flywheel.
03-12-09, 07:56 PM
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ok..so if i put a motor from a manual into a automatic car... i need a different counterweight too? or could i just us the manual trans too..and swap out the pedals and such.. will i need to change anything else?
03-17-09, 01:14 PM
#20
yea, it runs, kinda
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so.. small update, still can't get it to fire. I had fuel pump issues.. then injecter issues.. now fuel pump again.. but i think i'm just gonna wait till my other engine gets in. but i was slightly bored so i was lookin at ideas for my taillights. in the picture, its primer but i'm thinking i'm gonnna do white like the car. its almost like a skyline taillight, and we're still not sure about the reverse lights.
03-25-09, 02:52 PM
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definatly keep it rotary it rotary going with a built 20b will be pricey however if you can afford it by all means. but with as light as a fc if you stick with the 13b tt is will be a really fast car like the last guy said the turbo 2 engine is cheap cheap and the fd 13b is pretty cheap aswell
03-25-09, 11:18 PM
#23
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definatly keep it rotary it rotary going with a built 20b will be pricey however if you can afford it by all means. but with as light as a fc if you stick with the 13b tt is will be a really fast car like the last guy said the turbo 2 engine is cheap cheap and the fd 13b is pretty cheap aswell
03-25-09, 11:27 PM
#24
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I changed the rims.. cause i got bored haha. and i put a toggle switch for ignit and push button start cause i have no keys. but now i'm having problems with it staying running. and it doesn't like to idle...like it won't stay constant. very sparatic. sometimes will hold steady and sometimes it just goes up and down.
