1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

I think i have my setup, if you guys plan to nit pick go ahead i need advice

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Old Dec 7, 2004 | 01:03 AM
  #1  
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Flinstone Power
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I think i have my setup, if you guys plan to nit pick go ahead i need advice

its goin to be a 13b.
S5 N/A rotors
S5 T2 rotor housings
S4 T2 intermediate housing
S4 N/A 6port end irons
GSL-SE front cover and oil pan
RB carby intake with 500cfm holley
RB 13b header for 1st gen
FMOC from a FC with RB lines(or get some hydralic lines from work.. i love being a diesel tech.)
Run a 12a dizzy with a msd and 2 blaster coils.
Probally goin to use a T2 tranny and get a drive shaft made for the car.. feel free to flame me and any changes you guys would do or have.. thanks
Dave

Last edited by DJChunter; Dec 7, 2004 at 01:05 AM.
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Old Dec 7, 2004 | 02:10 AM
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mcnannay's Avatar
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maybe just maybe a bit more flow from the carb...600cfm holley is what i run on my 13b....but i have no way of knowing how the 500 will perform without experience...

oh yeah, why not streetport the thing??? then you can definitly justify a higher flowing carb
and in that case, ditch the 6pi end housings, you wont have anything to operate the sleeves with anyways so im assuming you'll leave em out.

Just some thoughts...sounds like ya got the right idea though
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Old Dec 7, 2004 | 02:31 AM
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Get a DIS coil instead of two blaster coils.
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Old Dec 7, 2004 | 02:56 AM
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I agree with mcnannay. You might as well run TII side housings all around. And while you're at it bridge-port it.
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Old Dec 7, 2004 | 07:43 AM
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sounds like alot work..... go for it
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Old Dec 7, 2004 | 01:24 PM
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It's hard to Give advice when you don't even know what you are shooting for....

0-60 times?
hp?
Autocrosser?
Drag car?

What are your intentions. A lot of people do unneeded things or mods to thier cars not shooting for a goal. Just thowing "the best" from prospective cars together may not help you reach your goal as well as future plans for the car. NOt critizing your chosen plan but evalutate your choices against the goal you wish to reach.
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Old Dec 7, 2004 | 02:07 PM
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bridgeport would be great but i wouldnt use it as a streetcar. you still can but.......
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Old Dec 7, 2004 | 05:51 PM
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wow that sounds good, but if ur going with all motor, i would go with the GTUs rotors or even the whole motor, i read somewhere that the GTUs is the fastest all motor rx7, i think because of the high compression and the light weight rotors, thats what i would want to do. somebody please correct me if im wrong
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Old Dec 7, 2004 | 08:24 PM
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Originally Posted by rxseven07
wow that sounds good, but if ur going with all motor, i would go with the GTUs rotors or even the whole motor, i read somewhere that the GTUs is the fastest all motor rx7, i think because of the high compression and the light weight rotors, thats what i would want to do. somebody please correct me if im wrong
All n/a Series 5's have the same engine and compression regardless of whether it's a GTUs or not.
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Old Dec 7, 2004 | 09:25 PM
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GTU and GTUs is essencially the turbo car with the N/A engine and tranny.Its fun to drive,but also loaded down with options(read,"weight")
Funnest N/A 2nd gen would be a base S5.Light,nimble,160hp.
Kinda like the "S" model 1st gens.Simple, light and revvy.
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Old Dec 7, 2004 | 09:52 PM
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Screw the 6 port side housings, go with the Turbo side housing... the 6 port stuff is only useful if you are using a 6-port LIM. Once you eliminate the actuators you're better off with a four port arrangement.

Too bad you still don't have that S5-internaled engine from that one FC you had. Oh well, that was then this is now.

steve, the GTUs was a stripped down N/A. It had nothin' as far as anything is concerned: no power nothin', no sunroof, no rear wiper. It wasn't "an N/A turbo", it was more like a stripped down GXL.

I wouldn't call any FC of any trim "light". They're porkers.
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Old Dec 8, 2004 | 12:44 AM
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The 2nd gens are by no means heavy cars. They just aren't as light as the feathers that were the other 2 generations.

I agree that you don't want to use the 6 port housings if you aren't using the 6 port manifold with WORKING sleeves. If you use the Holley, use the T-II housings. The S5 T-II housings would be my choice along with the S5 n/a rotors.

Why do you want to use the S4 T-II intermediate housing? The S5 actually has larger ports but they both have the same total potential.
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Old Dec 8, 2004 | 10:56 AM
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if your going to all that trouble. Why use a carb. Make use of the injector ports in the centreplate, and get the EFI setup, get it ported and at least then if u get the bug for more power, just bolt on the turbo... in fact what are you looking for in the car?? u might as well get a series 5 turbo motor and drop it in... rebuilt it if it dies, and then port it

Dont wanna burst your bubble but it seems like a lot of hard work for an unported 13b carb


-James
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Old Dec 8, 2004 | 02:13 PM
  #14  
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Flinstone Power
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i am porting it.. i am just unsure as of right now.. i have to sit down with peejay and talk rotaries and see what he can come up with.. the motor is goin to be setup for drag.. and i dont really want to slap on a turbo, N/A is my thing.. well looks like it is goin to be S5 N/A internals with S5 turbo rotor housings and Irons.. more then likely its goin to be a large street port or a partial bridge..
Dave
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Old Dec 8, 2004 | 02:16 PM
  #15  
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Flinstone Power
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[QUOTE=peejay]Too bad you still don't have that S5-internaled engine from that one FC you had. Oh well, that was then this is now.QUOTE]
I know i was thinking that same thing... Damn..
Dave
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Old Dec 8, 2004 | 02:22 PM
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That seems like a winning combo.
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Old Dec 8, 2004 | 05:34 PM
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Flinstone Power
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hmm.... now you guys got me thinking.. turbo... sounds like a plan.. anyone have any experience with a s5 T2 swap?? problems encountered in the swap, electrical, all the goodies.. dos and donts.. thanks
Dave
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Old Dec 8, 2004 | 07:39 PM
  #18  
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Originally Posted by rotarygod
The 2nd gens are by no means heavy cars. They just aren't as light as the feathers that were the other 2 generations.
FD's are about the same or slightly more compared to the FC.

They're all porkers. Even the SA/FB is a heavy pile of junk but it's the least overweight.
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Old Dec 8, 2004 | 09:56 PM
  #19  
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Yeah buddy

Originally Posted by peejay
FD's are about the same or slightly more compared to the FC.

They're all porkers. Even the SA/FB is a heavy pile of junk but it's the least overweight.

But at least the SA/FB doesn't look like a pregnant sow like the FC does!

Kenn
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Old Dec 9, 2004 | 12:31 AM
  #20  
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Flinstone Power
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well guys.. me and pete sat down today and i think we have compied a setup up together.. this is going to be ported heavially.. we are still comptiplating on what port we are going to do to it. it is going to be either a half bridge, full race bridge or a P-port.. we are still undesided.. but for the rest of the motor here it goes.. S5 TII rotor housings and irons, S5 N/A internals with hopefully if i can find one i am praying right now... the infamous Jay-tech intake, just b/c the RB one is a bad design.. on top of that with a holley 4160 600CFM carb.. we are going to back everything with a TII trans and hopefully a 4.78 gear(i think thats what pete said).. i am more then likey goin to use S4 TII housing and irons(just b/c they are more common) but i am def. going to use S5 N/A internals.. so now i guess its time to start collecting parts.. anyone have anything??? i have no money right now (just started a new job) but after christmas i should have some to spend on the project.. thanks
Dave
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Old Dec 10, 2004 | 03:16 AM
  #21  
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Originally Posted by DJChunter
...the infamous Jay-tech intake, just b/c the RB one is a bad design...
You've got that SO backwards! The Jaytech may be fine for super high horsepower turbo rotaries but it has no place on the street where a decent powerband is needed in nonturbo form. The runners are too huge. Your low and midrange will suck compared to the Racing Beat. Bigger is not always better. The Racing Beat Holley manifold is the single best flowing rotary manifold on the market. It is much better than any of the weber desings as well. You can't beat it in terms of proper sizing, lack of sharp bends, and consistency of flow. The Jaytech manifold on the other hand has some very sharp turns. They did this on purpose to clear a turbo that is mounted low. If you're not doing forced induction, you shouldn't be touching the Jaytech manifolds. If you want an 8 second turbo car, go for it.

You can buy the much better designed Racing Beat Holley style manifold for $225 new, and get a Holley style throttlebody with 4 injector locations also new for $75. Yes, $75! You just have to know where to look. This setup would be the best way to go.
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