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-   -   13b-re cosmo swap into FC project impressions and cost (https://www.rx7club.com/2nd-generation-specific-1986-1992-17/13b-re-cosmo-swap-into-fc-project-impressions-cost-846086/)

flipstar 12-23-10 10:52 AM

Damn Brent, I thought you'd have blown up that engine by now. I guess I built her pretty decently. I'm just glad to see she's still kickin.

So did that new clutch unlock some more power on the high end? It always slipped at around 6.5K rpms even though it was rated for 340 ft-lbs.

oh ya, pics or gtfo ;)

ItsFun 12-23-10 10:58 AM

5 Attachment(s)
hey mike! your still alive! back in the rx7 game yet? here are a few... nothing of interior yet :( Im still working on her tho! the paint is yet to be clear coated or polished, so its not the nicest it can be yet.

ItsFun 12-23-10 11:00 AM


Originally Posted by flipstar (Post 10380870)
Damn Brent, I thought you'd have blown up that engine by now. I guess I built her pretty decently. I'm just glad to see she's still kickin.

So did that new clutch unlock some more power on the high end? It always slipped at around 6.5K rpms even though it was rated for 340 ft-lbs.

oh ya, pics or gtfo ;)

oh the clutch is like night and day man, launches better then ever, and unlocked the high end a lot, stiff like a.. umm well im sure you can guess what i was going to say hahah ;)

ItsFun 12-23-10 11:03 AM

oh and before anyone comments on the unpainted engine bay.... it will get done... after I blow the motor and swap it out for ummm same setup but with bnr rebuilt twins, goal is 400 whp.

Adam P 01-02-11 04:43 PM

Whos the maker of the lightweight flywheel?

ItsFun 01-03-11 06:47 PM


Originally Posted by Adam P (Post 10394438)
Whos the maker of the lightweight flywheel?

Bought it from maxdatrix... dont recall any specific markings or labels, generic I suppose, but if they sell it, I trust it. Here is the link.

http://mazdatrix.com/getprice.asp?partnum=11449

AmT_T 01-03-11 08:11 PM

Shiiiiiit Son! I was reading this thread and was like o-o-o-o oh my gosh! that looks like my good friend ItsFun's car but saw the thread was by flipstar. To my surprise It is ItsFun's car after all. Me likes driving that car when I'm allowed :D

ItsFun 01-04-11 09:28 AM


Originally Posted by AmT_T (Post 10396552)
Shiiiiiit Son! I was reading this thread and was like o-o-o-o oh my gosh! that looks like my good friend ItsFun's car but saw the thread was by flipstar. To my surprise It is ItsFun's car after all. Me likes driving that car when I'm allowed :D

haha its hard to describe the difference between our cars, yours seems to handle much nicer, but isnt as powerful. Your interior is mint... mine is.. well red :( ... for now.. I love a little friendly competition. You better be coming to the dyno with me in the spring.

Adam P 01-07-11 05:49 AM


Originally Posted by ItsFun (Post 10396417)
Bought it from maxdatrix... dont recall any specific markings or labels, generic I suppose, but if they sell it, I trust it. Here is the link.

http://mazdatrix.com/getprice.asp?partnum=11449

thank you!!!!! I have the same one but didnt know who it was made by..good stuff!

ItsFun 01-07-11 11:52 AM


Originally Posted by Adam P (Post 10402175)
thank you!!!!! I have the same one but didnt know who it was made by..good stuff!

Not a problem, and thanks!

Bamato 01-07-11 12:25 PM

Not sure how I feel about the homebrew diamond plate cover... but I'm diggin the Cosmo engine!

flipstar 01-08-11 10:28 AM

dude, the plate cover is pro. I made one out of aluminum that covered everything up to the bumper5 but it looked like ass.

ItsFun 01-11-11 07:47 AM


Originally Posted by flipstar (Post 10404065)
dude, the plate cover is pro. I made one out of aluminum that covered everything up to the bumper5 but it looked like ass.

Haha thanks Mike. I still need to shave a little off the side of it but I enjoyed getting the perfect bends in it... it is actually bent arouns the back of the intercooler, L style, to secure it some more... so it serves as two purposes. :nod:

flipstar 01-11-11 10:10 AM

1 Attachment(s)
Hey Brent wanna see what replaced the rx7?


Attachment 710461

You couldn't get anything more different from the 7: this car literally weighs TWICE as much but it still drifts like a champ.

ItsFun 01-11-11 10:24 AM

hahahah well done!!!!! looks very very nice... I should race you sometime :egrin:

flipstar 01-12-11 04:17 PM

You'd rape me :(


Hey I've been meaning to ask you, how are the rear wheel wells doing, rust-wise? I always wondered if my repair job would hold up, and knowing whether it does will determine if I do it again in the future!

ItsFun 01-12-11 06:24 PM


Originally Posted by flipstar (Post 10411415)
You'd rape me :(


Hey I've been meaning to ask you, how are the rear wheel wells doing, rust-wise? I always wondered if my repair job would hold up, and knowing whether it does will determine if I do it again in the future!

inside or on the quarters??? I noticed some body work on the pass side at the back a little when I painted it... and some on the roof... but like I said I did mad prep work when I painted.... so if it was on the outside of the car... I doubt ill see it anytime soon..

ItsFun 01-17-11 12:25 PM

Little update.

I have everything I need to complete the interior swap to black except for headliner and sunroof liner, as well as the plastics

Racing beat Oil Pressure and temp sensor adapter is in the mail, as well as carbon fiber center console. I am also going with redlinegood leather for shift boot, e brake boot and armrest cover.... as well as the entire door panel being custom fitted by them... I am sending himn my door panel this week to use as a prototype for our cars, so in the future we will alll be able to have this product, but ill be the first :)

Im also dealing with someone local for an OEM t2 style carbon fiber hood... damn im anxious to get this fc done the way I want it.

ssonsk 01-17-11 02:07 PM

for this swap would it be harder to go single turbo, or easier than setting up the sequential?

ItsFun 01-17-11 09:02 PM

I bet they are about the same build wise. Tuning wise sequential twin is harder to tune then singal. But I'm not much of a tuner yet. Just learning on a good base map that it was sold to me with. I'm looking to meet someone local to teach me the ins and outs of tuning the power fc with datalogit.. I'm sure I can inderstand it no matter how complex with a good teacher.




Originally Posted by ssonsk (Post 10419605)
for this swap would it be harder to go single turbo, or easier than setting up the sequential?


ssonsk 01-18-11 04:02 PM


Originally Posted by ItsFun (Post 10420242)
I bet they are about the same build wise. Tuning wise sequential twin is harder to tune then singal. But I'm not much of a tuner yet. Just learning on a good base map that it was sold to me with. I'm looking to meet someone local to teach me the ins and outs of tuning the power fc with datalogit.. I'm sure I can inderstand it no matter how complex with a good teacher.

dude i don't even know where to start with tuning, but maybe I'll learn once i get a car i can practice on :x


but um what would you have to do to turn it single turbo?

ItsFun 01-19-11 08:51 AM


Originally Posted by ssonsk (Post 10421649)
dude i don't even know where to start with tuning, but maybe I'll learn once i get a car i can practice on :x


but um what would you have to do to turn it single turbo?



All you have to do is read this forum enoguh and it will tell you, and you will learn so much. But basics being manifold, turbo, downpipe, boost controller, MAP depending how much boost you want to push, ECU standalone, a lot. Minimun 5 to 7 grand in parts when all is said and done....and patience, most importantly, you need to be able to not rush the job, and really understand what you are doing before you go and do it. I dont think I will ever go single turbo on this, Im hopiong to upgrade the twins I have now for some bnr`s or 99 spec.

ItsFun 01-19-11 08:57 AM


Originally Posted by ItsFun (Post 10422893)
All you have to do is read this forum enoguh and it will tell you, and you will learn so much. But basics being manifold, turbo, downpipe, boost controller, MAP depending how much boost you want to push, ECU standalone, a lot. Minimun 5 to 7 grand in parts when all is said and done....and patience, most importantly, you need to be able to not rush the job, and really understand what you are doing before you go and do it. I dont think I will ever go single turbo on this, Im hopiong to upgrade the twins I have now for some bnr`s or 99 spec.

But keep in mind I never did this swap, the previous owner did, Im just learning from what he did by reading his notes and forum posts, there are much better and more knowledgable people on this forum that can tell you a lot more then I can.

ssonsk 01-20-11 01:06 PM


Originally Posted by ItsFun (Post 10422904)
But keep in mind I never did this swap, the previous owner did, Im just learning from what he did by reading his notes and forum posts, there are much better and more knowledgable people on this forum that can tell you a lot more then I can.

do you get any problems from the twins?

ItsFun 01-20-11 01:49 PM

:lol:

Originally Posted by ssonsk (Post 10425315)
do you get any problems from the twins?

only if you mess with the setting on the pfc lol like by pushing 16 lbs of boost (had to at least try it once) other then that not a single problem, still in good shape, no smoke


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