Mr. Stock

Actually, I am envious of some of the automotive knowledge that Jim LaBreck has. His material goods, I am not jealous of.

Oh, I take that back. I do so want his video game machine.

RX7SpiritR

iTrader: (1)

Yeah, but if you think about it this way if you pump the Horsepower of the FD up to the Supra Horsepower then what's going to happen? Yeah, that's what I thought! FD is just all around a better car!

LUV94RX7

iTrader: (3)

I don't have a signature or an Avitar and I turn them off in my profile because I don't want to see them and tie up bandwidth to slow my computer down. I'm on a modem.

I'm on the forum to learn and if I can help others with my limited knowledge then I will.

I'm not interested in the KIDS STUFF. I just visit 3rd gen, single turbo and rotary performance.

Yes, I have a reaL FD.

Ken, 58 years young
'94 white, pep, red leather,
mods: Hayes/KDR street port & polished,
3mm Hurley racing seals,
upgraded coolant seals,
Power FC ecu, Commander, Datalogit,
XS T04e single turbo kit,
GReddy SMIC (400+cu.in.),
Aquamist 2s water injection kit,
Pettit ss resonated MP,
Pettit ss cat-back,
RP Racing fuel pump,
1600cc injectors,
Profec B(16&22psi),
3-Bar Map Sensor,
Centerforce clutch,
Racelogic Traction Control,
Under pulley kit (no air pump),
Pettit short shifter kit,
LaBreck's bushings,
Evans Coolant
http:///luv94rx7.html

CCarlisi

I just did some rough math based on the weights listed on the mantissa racing page. I was suprised to see I pick up 6 lbs per wheel by switching to RE71s in 16 245/45. That's a total of 24lbs! Despite this my overall weight was reduced by approximately 31lbs.

jimlab

I'm not going to even bother responding to your previous post, because it (and you) are a waste of time. I'm sure you thought you were absolutely destroying my poor feelings by calling me ignorant 4 or 5 times, and using the word comical 3 times, but... could you possibly have misspelled "jealous" more times in a single post??!?

Once could have been mistaken for a typographical error, but three times?!? I can see now that I am truly in the presence of a force to be reckoned with. I am completely overwhelmed by your rapier-like wit and dizzying intellect.

Now, repeat after me... J - E - A - L - O - U - S.

Honestly, I'm trying, but it's incredibly hard to take being called "ignorant" seriously when the person who said it can't even spell properly...

Apexi

Why does all this bickering sound familiar? Perhaps because I just went through the same thing not too long ago.

Well it's at least good to see that people don't "really care" what other people think about, and don't really want to "waste their time trying to prove themselves" to others.

FD3S
BPU

122andy

The stock 7 wheels are what, 15lbs? You are going to have to be pretty careful not to add weight when choosing wheels, esp if going with 17s. There are 16" rims that are lighter, but 15lb 16" rim is definitely lighter than average.

I dont think anyone mentioned (removing)the air pump. Everything counts!

As far as aftermarket radiators and ICs weighing more than their stock counter parts, I wouldnt worry about it, considering the parts are made out of aluminum and you are looking at adding less than 3lbs for an upgraded radiator and less than 10-15lbs for a larger IC(depending on type). Definitely worth the tradeoff.

Holy crap that DP I put on saved weight, big diffference over that stock cast precat POS.

Wade

iTrader: (1)

Maybe there is a logical explanation... maybe those scales Mr rx-7 tt used were off, compared to the corner scales goble used, which I'd bet are far more accurate.

Wade

Rx-7$4$me

Okay here we go. I have a Base Model FD so 2780 pounds.

I have downpipe and midpipe SS so im hoping that saved 30-40 pounds.
thats

2750.

I have the JIC TI catback which weighs 9 pounds compared to like 32 of the stock exhaust... or was it 42? so thats 20-30 pounds

2730.

spare tire + jack

30 pounds?

2700 pounds.

A/C and air pump. 30 pounds if im lucky. ( the stock A/C system Weighs very little. I weighed it to be like 16 pounds or so., but that was on a crappy scale.

2680.

Removed rear speaker brackets, stock Cd player,

5 pounds.

2675

Short shifter, lighter shift ****. intake

5-10 pounds

2660

so with everything ive removed I hopefully have around 2600-2650( I was rounding up on my weight losses)with however much gas the 2780 had on the stock car.

Now lets see what ive added.

Boost controller
strut bar
intake heat shield.
Gauges + gauge pod
bigger speakers
rear spoiler
front lip

+20 pounds

so Id say im somewhere around 2650 pounds.

Removing the P/s my yield another 10, after that theres not much practical things u could do to lower the weight. So There you have it. Those are pretty much around exact numbers. Thats with a titanium exhaust as well.

clayne

[QUOTE]Originally posted by rynberg
[B]the stock seats are actually pretty damn light, racing seats will be lighter but less comfortable

No way in hell. The stock seats are very heavy compared to racing seats. I have SPGs and they are not only more comfortable but MUCH lighter than the stock seats. On the order of 20 POUNDS per seat lighter.

Yet they still operated under the guise of having certain "comforts" calculated into their baseline weight figures.

Remove the A/C.
Remove the P/S.
Remove the windshield washer reservoir.

You can drop 100 lbs with just the above and new seats. I've weighed the parts.

FD3S LIGHTNING

I did this and have roadside assistance with my insurance company

Mr. Stock

Since Gene changed the URL of his website, I thought I would post the new address here which lists the weights of various FD's and stock and aftermarket parts.
Mantissa Racing

Rx-7$4$me

over 100 pounds?

I highly doubt that. I weighed the A/C system in at around 16 pounds. Im going to take a picture to prove it. If you can get 85 pounds from the A/C and winshield washer then do show how.

Rx-7$4$me

Power steering and A/C, brackets, pulleys, etc 38.6

Rx-7$4$me

you got 60 pounds to go from winshield washer stuff :roll:

clayne

You highly doubt it?

A/C + P/S:






= 52 lb.

Box used to put under seat so I can actually read the scale = under 1 lb.







Stock R1 seat (37 lb each) x 2 = 74 lb.

Up to 126 lb now.

But let's subtract from this since we actually need seats in the car (negating for brackets since both sets of brackets are about the same):

Recaro SP-G x 2 11.5 lb (http://www.on-trackperformance.com/recaro%20spg.htm) = 23 lb

126 lb
- 23 lb

103 lb.


Put that in your pipe and smoke it.

clayne

And read my original post again.

"Remove the A/C.
Remove the P/S.
Remove the windshield washer reservoir.

You can drop 100 lbs with just the above and new seats. I've weighed the parts."

Rx-7$4$me

umm okay, I didnt know u were taking the seats into the equation. Ididnt catch it at the end of your sentence.

Power steering and A/C, brackets, pulleys, etc 38.6 which means the windshield washer resevour weighs in at roughly 14 pounds.

So you can save 50 pounds A/C P/S and resevoir. I thought u were saying 100 pounds from all that. Sorry I misread

clayne

You need to reweigh all of the components in your p/s and a/c system which includes the condensor, any associated pulleys, and don't forget the dryer. Windshield reservoir doesn't weigh more than 5 lb.

Rx-7$4$me

See the only problem with that is you have to spend 2 k to save 50 pounds. To me thats not practical.

Did u add the weight of brackets ?

clayne

From my post about 2 posts up:

"But let's subtract from this since we actually need seats in the car (negating for brackets since both sets of brackets are about the same):"

I'm not spending 2k just to save 50 lb. I got the seats for 1200 for the set which means I'm spending 1200$ for a set of racing shells which provide all the advantages a single-piece seat shell provides. The weight reduction just happens to come with that.

Rx-7$4$me

they were listed at 750 a piece on the site so 1500 dollars plus brackets. Yes of course there are other benefits to the seats then just weight savings. I mean I dropped roughly 100-150 pounds removing A/C the air pump and exhaust upgrades. Im fine with my stock base model cloth seats. Yes, your seats are better in all areas, but I think its a little bit expensive.

Also im one person thats pro powersteering.

Im not going against you, im just saying that there is a practical way of losing weight, and impractical and expsensive.

89Turbo944

You can get most any body panel in cf for the RX7. Ive seen an intire car, minus the roof, in cf pannels. Saves ALOT of weight but is VERY expensive. I emagine that having all the panels made out of cf would save you 300lbs. Pluss you could loose another 100+ by droping, p/s, a/c, stock seats, windshield washer resovier.

Plus you could remove carpeting, stero equiptment, carpeting, spare tire and jack, various rubber gromets from the firewall, dash suround, wing, lip, driving lights, side markers, replace glass with plexan or somthing similar, remove power windo motors, remove central locking, emblems, antena, remove fender liners, shave tires, ect.

List goes on, but there are alot of things you cando to loose weight. The thing that you have to take into consideration is weather or not you would like certin amenities.

PS sorry for the spelling

BATMAN

Bump for a good thread.

summy

HELL YEAH!!!