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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections


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Old 01-29-2012, 07:36 PM   #1
sen2two
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Default front bumper

I am finishing up the fiberglass work on my 85. It has fiberglass doors, front fenders, hood, and valance right now. I have the front bumper as well, but I am undecided...

It only weight about 4-5 pounds and is a great light weight option, but it is a mold of the factory bumper. This car will be for drag use only and never see the street. I have been wondering if it will be better to get a full front bumper similar to imsa style. Not a half bumper, but a full bolt on fiberglass bumper.The weight gain shouldnt be more than 10lbs and i am thinking the aerodynamics of it would be worth the slight weight gain...

Any recommendations on a front end? I havnt been able to find any used ones after a few months of looking. So i will have to probley buy new. But don't really know where to look besides eBay... And they don't say whether they are half or full bumpers.






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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-01-2012, 11:44 PM   #2
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I have replica of the Kamei front lips if you're interested
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Old 02-02-2012, 09:05 AM   #3
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F
Quote:
Originally Posted by FIBREMAZ 13 BEEF View Post
I have replica of the Kamei front lips if you're interested
I got two of fibremaz kamei lips and there great, besides those there's the imsa lips and then the full widebody fronts
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Old 02-02-2012, 07:48 PM   #4
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Although I really like that front lip, I need a full bumper. Not just a lip.

I'm putting this on for function, not looks.
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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-02-2012, 10:03 PM   #5
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but looks are what it was all about

http://iscracing.net/fiberglass.html
this is the one i was thinking of for my track car
also theres some in blackdragon that are nice
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Old 02-03-2012, 10:12 AM   #6
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pics please
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Old 02-03-2012, 02:22 PM   #7
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Quote:
Originally Posted by IH8DSM View Post
but looks are what it was all about

http://iscracing.net/fiberglass.html
this is the one i was thinking of for my track car
also theres some in blackdragon that are nice
This one is still a half bumper... Not a full bumper

I do like that they posted the weights of stock vs. there parts though.
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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-03-2012, 02:24 PM   #8
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Quote:
Originally Posted by 730RWHP12A View Post
pics please


Will post some for you...

I didn't want to start a build thread prematurely. But ill get it started and post pics as it goes.
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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-03-2012, 02:46 PM   #9
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is ISC still around?

I plan on getting those rear over fenders, from mazdaspeed, but i think ill have to make my own for the front fenders. trying to mimic this.

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Old 02-03-2012, 03:11 PM   #10
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Well damnit then haha,

Gravity fed I've heard mixed answers I've seen where some say you can still get parts just email them, but others have said there closed
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Old 02-03-2012, 03:18 PM   #11
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ill just source them through mazdaspeed then. they are only like.15 dollars more
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Old 02-03-2012, 05:27 PM   #12
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Man, I can not find pics of the MazdaSpeed front air dams anywhere... Anyone have some?

I been looking at these, but I think these will be a little heavier then I want. But I am pretty sure this is a full front. And a little to pricey as well.

http://www.ebay.com/itm/79-85-Mazda-...item5d3210839e

This one is decently priced, but I am unsure if its a half or full bumper. anyone know?

http://www.ebay.com/itm/180639690028...84.m1423.l2649
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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-04-2012, 09:37 AM   #13
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half bumper/ on the listing it says front lip/add on.
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Old 02-04-2012, 10:42 AM   #14
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damn it, just seen that...
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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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Old 02-04-2012, 06:36 PM   #15
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Here's 2 older photos when I was putting the doors on. Both doors are on now and I'm currently building the frames to hold the lexan window in them. The were VERY rough when I got them. they needed to be trimmed the entire way all around. They were basically popped from the mold and sent out. No holes or any mounting hardware. These are drag car specific, you drill, cut, sand, mount, ect.

Worth it thought considering they way almost nothing...

Oh, and I wount be running the draglites either... they are just there for now. The real wheels are sitting in the garage along with the rear, tranny, ect. Not installing any of the big stuff until I finish the exterior and interior...



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what I have:
1985 Gs:12a All motor Drag car - 1973 Rx2: Play car
What I had:
93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2
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