Best CARB legal SC kit? Jackson? Oem reliable block rebuild? Cayman killer?

[CSG Mike]

Originally Posted by phobos512

According to CSG's website the JRSC kit has a 100lb ship weight. That'll change these numbers a bit.

It's a lot of packaging... the actual weight of what goes on the car is closer to 43 lbs, including 2 extra qts fluids and an engine oil cooler.

Also, the actual shipping weight is 70 lbs, but UPS charges a higher weight due to the size of the package.

[bfrank1972]

Originally Posted by CSG Mike

Seriously, stop comparing numbers, and come experience the intangibles that cannot be put on paper in the form of numbers

Seriously!

Power to weight, 0-60, 0-100, 1/4 mile all get way too much air time these days. Some other more interesting numbers:

1) Cheaper to buy: $25K new vs well over $60K new, worry less when you don't lift through that scary turn = faster lap times Also you cry less when you hit that tire barrier.

2) Lighter, about a 200lb weight advantage. Cheaper on brakes, cheaper on tires.

And as we all know, what the FR-S/BRZ motor lacks, the chassis makes up for.

Take all that money you save and put it towards many many laps and you'll be way faster than the Cayman S with no seat time. And you'll be happier.

[zdr93523]

Originally Posted by bfrank1972

Seriously!

Power to weight, 0-60, 0-100, 1/4 mile all get way too much air time these days. Some other more interesting numbers:

1) Cheaper to buy: $25K new vs well over $60K new, worry less when you don't lift through that scary turn = faster lap times Also you cry less when you hit that tire barrier.

2) Lighter, about a 200lb weight advantage. Cheaper on brakes, cheaper on tires.

And as we all know, what the FR-S/BRZ motor lacks, the chassis makes up for.

Take all that money you save and put it towards many many laps and you'll be way faster than the Cayman S with no seat time. And you'll be happier.

All of this is why we track our BRZ and not the Cayman S.

[glamcem]

Originally Posted by bfrank1972

That's just it, powerband. I posted recently here about the fact that my old stock E36 m3, at about 195whp stock on a dynojet, a little under 3200 lbs, would run the quarter mile in the low 14's all day. A slightly modified na frs at 190whp and about 400 lbs lighter should easily walk away from an e36 me, but reality shows the opposite. This will be even more the case with centrifugal superchargers - they produce big peak numbers but area under the curve, even at the track in the upper rpm ranges, will very likely be less than something like a 280whp flat six.


Sent from my iPhone using Tapatalk

Exactly and that's the reason why I still remember how peppy my old 2005 325i felt.. it only had 174hp but the power delivery was seamless

Originally Posted by CSG Mike

Seriously, stop comparing numbers, and come experience the intangibles that cannot be put on paper in the form of numbers

yes, I am having hard time explaining that to the people I talk with ..yes Kraftwerks adds a lot of power but it's nothing like an NA power delivery..people automatically think the gains with the power would be reflected on the lap times but in reality the lap times come from the power delivery and handling modes..

[glamcem]

I try not to look at the numbers but these new Camaro Z28s are amazing

take a look at the 2014 Lightning lap

[bfrank1972]

Originally Posted by glamcem

I try not to look at the numbers but these new Camaro Z28s are amazing

take a look at the 2014 Lightning lap

Wow! And look at those peak speeds vs. the times clustered around it. Yes another example of how an.... uhhh... 'underpowered' car can succeed at the track.

[tahdizzle]

That 918 is just nutz

[glamcem]

Originally Posted by tahdizzle

That 918 is just nutz

Yes but wait till when they release the new C7 Z06 . I am pretty sure with its 650 hp and torque it will be right in between the Nismo GTR and 918 which will make it the best performance car ever made by GM

btw, Stock BRZ did 3:18 at the last years' lightning lap
http://www.caranddriver.com/features...o-2013-page-10

[Yui-Chan]

I too have always wondered exactly how much additional weight it adds.

Given the many weight reduction posts on these forums with pics of weight scale read outs, I'm surprised that no one has done the same for these kits.

Regardless, you can easily compensate for the minor added weight from the JRSC (and then some) with a Shorai, AP Sprint brakes, rear seat removal, spare tire removal.

[glamcem]

Originally Posted by Yui-Chan

I too have always wondered exactly how much additional weight it adds.

Given the many weight reduction posts on these forums with pics of weight scale read outs, I'm surprised that no one has done the same for these kits.

Regardless, you can easily compensate for the minor added weight from the JRSC (and then some) with a Shorai, AP Sprint brakes, rear seat removal, spare tire removal.

I also removed the fog lights and washer bottle and fluid since I never used them and needed that space for brake ducting also, removed the stock air box and some plastic from the bottom and replaced with the front splitter so the net gain (weight) might not be that much

[Yui-Chan]

Since some of you have mentioned BMW...what about a JRSC 86 vs a 1-Series (128i, 135i, 135is)?

Good comparison, as you can get a used 1-Series for much less than a used expensive Cayman, the 1 Series are the smallest and lightest BMW (most similar BMW to the 86) and can realistically be found used for the same price as a mint-used/new 86 (unlike a Cayman S, which will still be $35-40k+).

They have a powerful 6 cyl engine, good chassis/steering/handling (though, I am guessing the 86 is better and much more balanced) and good brakes. The cons would be that it is a bit heavier, doesn't handle as good, isn't as balanced and ...it is proper fugly lol.

Some hot lap times (Laguna Seca, Randy Pobst, Motor Trend):
BRZ 1:51.3
135i 1:46.0
M1 1:43.31


I bet with just simple suspension mods, brakes and tires, even a stock powered NA 86 and not even SC, would take out 135is'.

[Yui-Chan]

I know you guys hate numbers...but here's some crank-power to weight ratios for those BMWs above anyways.. for reference, lol.

135i
3373lbs / 300bhp = 11.2

135is
3373 / 320 = 10.5

1-Series M
3296 / 340 = 9.7

235i
3500 / 322 = 10.9

[CSG David]

Originally Posted by Yui-Chan

I know you guys hate numbers...but here's some crank-power to weight ratios of those above BMWs anyways for reference, lol.

135i
3373lbs / 300bhp = 11.2

135is
3373 / 320 = 10.5

1-Series M
3296 / 340 = 9.7

235i
3500 / 322 = 10.9

Numbers game is great, but they are meaningless after you spend a little time to drive the cars.

Come out with us to play! There is a 86 Cup on September 20th at Auto Club Speedway in Fontana. It's local so you get a chance to see what different cars can do.

[Yui-Chan]

Yes I saw that. I'll try to go watch.