2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 02-28-06, 09:06 AM
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What to do..

I bought a FC late last year and I am saving up this year to drop alot of cash into it. I don't know which engine to go with right now though. My choices are the 13bt or just the 13b which is currently in the car as of now, but has a blown coolant seal and has been seating up from what I can tell for a LONG time so I was just going to either buy a atkins 13bt or a 13b rebuild engine with 3mm apex seals with a street port on which ever one I get from them.

Now here's where it gets alittle fuzzy of me. I have a list of all the mods I want to be done on the car by the end of the year, here's a ruff draft of that list.. The prices are also in in a ruff draft from and may be higher in price or lower, I just went to a few sites and listed the closest rpcie to all the sites I went to.

CAR
Item: RX7 1986 GXL-SE (bad shape but no rust and unibody is in GOOD shape) [ ]
Price: 400.00
Item: atkins 89-91 13b Turbo rebuild option with 3mm apex seals [ ]
Price: 3,350.00
Item: engine core [ ]
Price: 550.00
Item: TX-16 (17X7) or EXELdayton [ ]
Price: 476.00
Item: Toyo Proxes 4 (215-45-17) [ ]
Price: 420
Item: paintjob [ ]
Price: 500.00
Item: Fixs [ ]
Price: 500.00
Item: AIT DI bodykit [ ]
Price: 470.00
TOTAL: 6,631.00
__________
TURBO MODS
Item: Blitz frontmount Intercooler [ ]
Price: 1,200.00
Item: Greddy Blow Off Valve - Type-RS [ ]
Price: 323.00
Item: Turbo Gauge [ ]
Price: 54.00
Item: Oil Gauge [ ]
Price: 53.00
Item: HKS downpipe [ ]
Price: 300
Item: Blitz Fuel Injectors - 660cc [ ]
Price: 150.00
Item: Weapon R Universal Fuel Pressure Regulator [ ]
Price: 87.00
Item: HKS Exhaust Manifold [ ]
Price: 280.00
TOTAL: 2447.00
__________
BRAKES
Item: rotora brake pads [ ]
Price: 57.00
Item: powerslot rotors [ ]
Price: 104.00
Item: Endless Brake Lines [ ]
Price: 275.00
TOTAL: 436.00
__________
TRANS MODS
Item: ACT Clutch Kits - Street Performance [ ]
Price: 420.00
Item: ACT Flywheels - XACT Streetlite [ ]
Price: 269.00
Item: short throw [ ]
Price: 100.00
TOTAL: 789.00
__________
MISC MODS
Item: HKS Cat Back Exhausts - Drager (Stainless Steel) [ ]
Price: 800.00
Item: HKS Air Filters - SMF [ ]
Price: 108.00
Item: BGK Throttle Body [ ]
Price: 490.00
TOTAL: 1,398.00

(I did this list in wordpad when I was up all night with nothing to do and for that some of the prices and adding may be off, lol)


Now after all this is done on the car I was going to do a few more stuff to get it ready for a 2grand turbochager by HKS, but what I was wondering is if I am going to do the turbo stuff anyway my first question for you yall would be how diff is the 13bt and 13bnon-t from each other. Like is there more of a diff from the turbo version rotary engine than just the turbo stuff? Becuase if there's not wouldnt it be cheaper in the long run to just grab a GXL-SE engine and turbo it, or would the 13bt engine have less strain with a trubo setup if there was more of a diff than just the turbo parts. Like size of the engine, size and strength of rotors, seals, and other parts on the motor.

My second question would be I know that piston engines can handle lightly turbo setups and run fine and I know that rotary requires more care and safety when doing mods of this sort. So is there anything I am missing on the list for a staple turbo setup other than a wastegate(the turbo i will be getting custom made from hks has a wastegate with it that is made just for the use with that turbo.) any ideas? Mind you I only will be running around 15-18psi without the HKS on it and I already have a fuel mangment system and a greddy turbo timer and apexi turbo tuner with a upgraded ecu ready to install once i get the rest of the parts.

Please dont list ideas for "just go v8" or "dude with that kind of money just get a 13btt" If I wanted a v8 I wouldnt have sold my stringray. I am very interested in rotary motors and I have wanted a rx7 with one ever since I was little. The reason why I don't want a 13btt is becuase I want a swap thats fast, easy and something I can do with the tools I have without taking ii to someone else. And I like the motor gen and the car gen to match, i know thats kinda wierd but I like the idea of using the engines of the same gen on the same gen car. :/

Last edited by holt; 02-28-06 at 09:21 AM.
Old 03-01-06, 12:40 AM
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well first there is no such thing as a 86 GXL-SE

and why are you doing 3mm apex seals ???

I doubt that you can get even a halfway decent paint job for $500

and dumping $6K+ into a car not even worth $1000 is not very smart money sense.

this thread is just a dreamer thread... so you probaly won't get very many responses

and bumps are forbidden here in the 2nd gen section. Your bump has been deleted.
Old 03-01-06, 01:31 AM
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I meant GXL the first year they made the secondgen and has a 13b nonturbo which model that is.

Why the Apex seals? Becuase atkins site says "All turbo engines have custom atkins 3mm apex seals." so yea :/

The 500 for the paint job is just the finish the paint thats already on it. It's have primed half silver. I dont care about having a 2grand paint job. i'd rather use thta money for the engine, becuase paint can get damaged easily, engines wont if you know how to take care of them.

"and dumping $6K+ into a car not even worth $1000 is not very smart money sense"
Well to you maybe. But I have sumthing called pride. When I take a junk car no one wants and make it into something I can be proud of. When it comes for my love for cars money isn't an issue. Plus be honest if you heavy mod ANY car, you will NEVER get the same or more money you dropped into it. Hell you want even get that from a car you kept stock on rx7's if you add up gas and the oil changes... so yea... in this kinda stuff Nothing is really "money sense" becuase you will never get more or the same you put into the car unless you find a total idiot rice head kid., and even then you could do the same to him with the "waste of money" car.

"his thread is just a dreamer thread... so you probaly won't get very many responses" I dont understand how you can say its a dreamer thread? becuase im using bad "money sense" or becuase i wont have the money to drop into the car? I get 25.30 an hour where i work and work 40 hours a week... and I have until Nov to save... so... yea, not having enough money really isnt an issue.

I thought you 7 owners were more passionate abut your cars than honda and nissan drivers.. i guess i was wrong.

And I'm sorry if I didnt meet the criteria of the forums. I didn't know spirited people about cars wanting to learn more about rotaries was a bad thing here, i'll take my leave.

Last edited by holt; 03-01-06 at 01:37 AM.
Old 03-01-06, 01:39 AM
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its a dreamer thread because you have a large parts list, 99.9999% of the time when people make these lists almost none of the parts get bought.
also your missing engine mangement or at least fue
theirs holes in the list to, such as "660cc injectors" their tiny.
nothing is ever as cheap as you first think it will be, shipping lone on those parts would be alot.

Last edited by snowball; 03-01-06 at 01:43 AM.
Old 03-01-06, 04:23 AM
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See that's kinda the help im looking for.
I thought since im staying with the stock turbo I didnt know with getting higher injecter like 850cc or 1000cc would be alittle much.
As for the maganement I won't be driving this car at all until Nov it's being kept in a garage right now and I have 2 other part cars that are tII im getting for a friend in a trade deal. As for shipping 90% of the performance mods will be free shipping becuase the places im ording them from my car club is sponsered with a 10-20% off discount and free shipping on orders over 1,500 bucks. The only thing I wont be getting any deal on is the engine and the paintjob. And I know the engine shipping is goin be KILLER
Old 03-01-06, 05:59 AM
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For the TII conversion you would be much better off installing the TII drivetrain (trans, diff, halfshafts and diveshaft)
Old 03-01-06, 06:05 AM
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to get a t2 engine your pretty much going to get a full T2 driveline. Thats the only way to make it decently reliable. I was pretty much in the same position you are in now not to long ago. I ended up buying a streetport n/a. It has yet to be put in cause im doing alot of work to my car. But after everything is running as it should i plan to collect turbo parts for a 13b-re swap lol (ya its a dream ... for now)

If you can go without a car for awhile i would say do the T2 swap, otherwise find a cheap n/a and swap it in. I dont think anyone with a n/a is ever happy with the power (heavy ports not included haha)

edit - blue beat me too it lol

btw blue i pmed you about possibly buying your mounts (both trans and engine)

Last edited by Lucky13; 03-01-06 at 06:09 AM.
Old 03-01-06, 08:58 AM
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There are so many questions here I don't know where to begin. I'll go in order of the list:

Item: atkins 89-91 13b Turbo rebuild option with 3mm apex seals [ ]
In order to run this engine you will need the TII harness and ECU and an upgraded fuel pump at the minimum. Really you should be installing the entire TII drivetrain if you plan on beating on the car. Why 3MM seals? No advantage if the rotors are not worn and still fit 2MM within tolerance.

Preferably you would dump all that 20+ year old wiring technology and go with a full standalone system. In my mind this is the ONLY correct way to pull off the TII conversion. But then you have to budget in the standalone, wiring and TUNING.


Item: paintjob [ ]
Price: 500.00
In masking paper and tape, perhaps. Any halfway decent paint job is going to be $1500 and up. Lots more if it's a colour change, and more if there is any actual repair and colour sanding...

Item: Blitz Fuel Injectors - 660cc [ ]
Price: 150.00
You're going to need at least 720CC secondaries, but it really depends on how much boost you plan on. If it's only slightly above stock, 720CC injectors and an S-AFC to control them (assuming the stock ECU) is fine. More boost and upgraded turbos dictate larger injectors. If you have to touch the primaries, you are in standalone territory.

Item: Weapon R Universal Fuel Pressure Regulator [ ]
Unnecessary.

Item: BGK Throttle Body [ ]
Unnecessary. And there are no aftermarket throttle bodies available for the RX-7.
Old 03-03-06, 04:55 AM
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Sorry it took so long for the reply I been busy with work.

Originally Posted by Aaron Cake
There are so many questions here I don't know where to begin. I'll go in order of the list:



In order to run this engine you will need the TII harness and ECU and an upgraded fuel pump at the minimum. Really you should be installing the entire TII drivetrain if you plan on beating on the car. Why 3MM seals? No advantage if the rotors are not worn and still fit 2MM within tolerance.
I already have the following parts from a parts car I got cheap from a friend.. the car was totaled so i got it for 100 bucks and i got all this.

Turbo wiring harness-
TID
Turbo boost sensor (strut tower)
selenoid resistor
Turbo Airflow meter
Turbo ECU
Turbo acc cable
Turbo Trans. (no clutch or flywheel so i will have to get both of those and the counterwieght i suppose)

Preferably you would dump all that 20+ year old wiring technology and go with a full standalone system. In my mind this is the ONLY correct way to pull off the TII conversion. But then you have to budget in the standalone, wiring and TUNING.
I was having the rewiring factored as the "fixs" cause I havn't got a price yet. What would the stand alone for the car cost about?



In masking paper and tape, perhaps. Any halfway decent paint job is going to be $1500 and up. Lots more if it's a colour change, and more if there is any actual repair and colour sanding...
The car is half primed and half white. I am going to do it white, normal paint like whats on the car nothing out there in price. I factored in the 1,000 price range just incase i want to prime it myself and get it painted a good white.


You're going to need at least 720CC secondaries, but it really depends on how much boost you plan on. If it's only slightly above stock, 720CC injectors and an S-AFC to control them (assuming the stock ECU) is fine. More boost and upgraded turbos dictate larger injectors. If you have to touch the primaries, you are in standalone territory.[/uote]
All they have in a 720CC size is greddy, I never bought any greddy brand stuff for fuel system parts, would they be ok?



Unnecessary.
Good. Less money. Lol.


[qoute]Unnecessary. And there are no aftermarket throttle bodies available for the RX-7.
That's weird. I seen it at a website for a 1988-91 fc. Must been a web error.

I really thank you for the time you took to help me out man. Thanks alot.

Last edited by holt; 03-03-06 at 04:57 AM.
Old 03-03-06, 09:32 AM
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Engine, Not Motor

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Originally Posted by holt
I already have the following parts from a parts car I got cheap from a friend.. the car was totaled so i got it for 100 bucks and i got all this.
Cool.

I was having the rewiring factored as the "fixs" cause I havn't got a price yet. What would the stand alone for the car cost about?
$2000 to have someone else install it, then tuning time on top of that. From $300-$1500 if you do it yourself depending on which standalone you go with.

That's weird. I seen it at a website for a 1988-91 fc. Must been a web error.
I would be interested to see that site. Maybe it was an aftermarket intake?
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