Let's talk weight
There's a lot of heated talk all around the internet about how much weight the V8 adds. Some people say as much as 200lbs. I can. So, I was wondering if the people that have weighed their cars ( any generation 7 ) could chime in here and say their current weight, the current set up they're running, and if possible, how much their car weighed pre swap. Thanks.
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You're asking the wrong question. Anything you can change/take off/add with a swap you can do without a swap. This is why people talk about how much an individual part weighs and compare them.
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The LS swap weighs more mostly because of the t56 transmission, which is low and in the center of the car.
My FC handles about the same with the LS1 in it. I had an NA in my FC and needed a couple suspension adjustments for the extra power. My car is a partially gutted track car, and is around 2650-2700 lbs. |
Originally Posted by valley
(Post 11736182)
You're asking the wrong question. Anything you can change/take off/add with a swap you can do without a swap. This is why people talk about how much an individual part weighs and compare them.
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Originally Posted by Littleguy
(Post 11736411)
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Originally Posted by Vader
(Post 11736433)
Thanks for the reply. I understand. I was just hoping to to get some figures to show averages/examples of what people ended up with after swaps. There are people that say it adds 200lbs and such and I know for a fact that with an FD that's not the case. I don't know about previous generations though.
It might add 200 lbs in a NA FC, especially considering most add T2 rear ends. That is 40 lbs right there. My S4 NA FC was ~2550 before the swap. I am under 2700 now and partially gutted with a roll bar. |
This is not really an apples to apples comparison as I found out a bunch of years ago when I thought I could get my swap weight down to what my ITS cars weighed. The weight of the engine and trans is not really the issue. As soon as you start adding bigger wheels/tires, bigger brakes, dual exhaust, etc., the weight starts adding up. My swap weighed 2766 w/out driver and had both front seats, door glass, dash. ITS car weighed in at 2680 with driver. ITS wheels weigh 9-12 #'s each (15") and uses stock brakes. My swap had 17"wheels that weighed around 20# each and I run 13 1/8" front rotors and 11 1/2 rears. Extra seat weighs around 38# and as you can see it all adds up. Bottom line, the car handles like and RX7 with a ton of torque. I run a big front bar and no rear bar and prefer a square wheel/tire setup. Running staggered might require running a rear bar depending on driver preference and I've played with different sizing on our NASA car which runs 285 fronts and 315 rears.
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95 ls3 fd
no ps or ac stoptech bbk 03 cobra rearend lizard skinned interior enkei rpf1's 9.5 all around weighed 2765 with a little under half a tank |
94 Full interior
All accessories in working order LS1/T-56 Battery moved to rear 80+lb of stereo in the back WAAAYYY too much dynamat 18x10 CCW's all round 3030lb with a full tank on a semi truck scale who knows how accurate :-( Slightly rear biased with stereo. About 49.2/50.8 Should be about 50/50 without it. |
Mine weighed 2780 lb. with 1/8th tank of fuel before engine swap, 2800 with 1/8th tank after LS2/T56 swap, but before bigger wheels/tires/brakes, roll bar, A/C, p/s, and Accusump.
With ~50 lb roll bar, 17x8.5 17x9.5 TE37s with 255/40-17 265/40-17 Z1 Starspecs (heavy tires!), A/C, p/s, battery in bin behind passenger seat, 8.8" Cobra diff, full interior, buncha Dynamat, main and sub amps between rear shock towers (sub removed), ~25 lb of Accusump in the spare tire well, with 3/4-tank or ~15 gallons: total = 2949 lb (should be ~2855 lb empty) front = 745L + 742R = 1487 (50.4%) rear = 724L + 738R = 1462 (49.6%) With me in it and 3/4-tank: total = 3114 lb front = 795L + 759R = 1554 (49.9%) rear = 796L + 764R = 1560 (50.1%) |
LargeOrangeFont said it. Most of the weight is in the t56 transmission. The thing is huge, but it sits low in the middle of the car. My 88 tii ls1 fc sit's at 2890 with full interior, huge battery, and ps pump.
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50/50 for the win
Originally Posted by Exidous
(Post 11805612)
94 Full interior
All accessories in working order LS1/T-56 Battery moved to rear 80+lb of stereo in the back WAAAYYY too much dynamat 18x10 CCW's all round 3030lb with a full tank on a semi truck scale who knows how accurate :-( Slightly rear biased with stereo. About 49.2/50.8 Should be about 50/50 without it. |
It's very hard to get exact numbers since most change other things.
I can tell you my '88 TII with an aluminum block 5.7 + turbo kit + T56 + full interior (heat/power everything, sound deadening, stereo, etc) weighed 2806 lbs on calibrated corner scales. 51.9/48.1 F/R weight balance. |
2 Attachment(s)
94 stock LS3/T56 with PS and A/C. Full interior/stock leather seats and roll bar.
Sunroof etc. with me in the car and half tank of fuel. Accurate corner balanced and cross balanced/aligned. 3219 lbs (with driver) 2980lbs without driver Front 50.7% Rear 49.3% Cross weights within 1 lb. Also the car ran 0-60 on the Vbox in 3.8 second with as you can see a slow 1-2 shift and street tires! Not bad for ruining the balance of the car with an LS Swap lol The car with N/A power is so much more linear and easy to modulate the power and makes it a joy to drive. The cars are a lot of work to make right so don't go into it like its a breeze. There are always things that can be improved on the refinement of the swaps but the trail has been blazed and they are now working on retrofitting the stock FD power steering pump on the LS front accessories. Plus all the Subframes are nicely worked out with the Samberg parts. I sold my car but for a guy who turns all his own wrenches it's a great swap. If you pay someone to do the work plan on it getting expensive fast. Attachment 634857 Attachment 634858 |
Wet weight with spare tire and tools etc is 1260 for my car
Cross weight 2kg difference 50.2/ 49.8 including the rollcage I didnt spend much time with the scales.. it should easily go 50/50 Been thinking to bring the weight down another 100 150lb with carbon doors and hatch but im affraid i will lose the comfort because its still a daily car |
I didnt realize it was for v8 swaps. Sorry
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Originally Posted by R-R-Rx7
(Post 11836140)
I didnt realize it was for v8 swaps. Sorry
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Im actually very happy with my 13b... you might have to switch back to 13b and save some weight :)
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my LS7 FD with a full tank of fuel, 3 gallon dry sump tank, no passenger bins or rear carpet/spare/tools, dual 3" to 3.5" exhaust with cats and heavy muffler, odesey 26lb battery in driver side bin, widebody kit with 315 front/335 rear (very heavy tires), T56, cobra 8.8" diff, full sound deadening, Touring model with sunroof (rear Bose removed) was 2840lbs. no a/c with factory R1 seats. Put on the scale 49.5% front/50.5% rear
there is a stock body FD with ls/t56 power, stock rear, setup for autocross and is totally gutted.... it is 2553lbs and full tank of fuel. http://www.norotors.com/index.php?topic=14851.60 |
I came in at 3077 with me in the car (150 lbs) and a full tank of gas. 49.9%/50.1% front/rear.
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My FC is 2908 with me in it and full of fuel. 51.8% on the front wheels. Its right at 2600 with no fuel.
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still much lighter than newer cars.
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Mine weighed in at a hair under 2800 before I gained 50 pounds with a full tank.
93 base ls6 t56 fiberglass fenders Fiberglass hood Aftermarket bumper No stereo or components no ac or ps Turbo II led 18x9,18x10 forgestars No spare or any hatch interior gonna grab some scales from work and try again, seems like those scales read about 25-30 lbs per axle low just off what I'm seeing here. |
Ive heard in a FC, LS1 weighs 100lbs more than a 13bt, aftermarket turbo with a FMIC setup.
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