Lexus IS-F CCS Concept at Tokyo Auto Salon
02-08-10, 07:05 AM
#77
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02-12-10, 05:42 AM
#81
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Apparently nobody but Chevrolet knows how to make a V-8 close to 400 lbs producing decent power. The F's engine is nearly 100 lbs overweight. BMW's M5 V-10 is a whopping 524 lbs! The Chevy may have only 2 valves per cylinder, but they make very good power, get very good mileage, and produce class leading power. It's tough to beat them at the V-8 game. Kudos to the LF-A for prodigious power in a light package, but so few will ever get to experience it first hand.
Right after I win the lottery I'll be developing a whole host of titanium parts for the 2UR-GSE starting with crank, rods, and torque converter...
Right after I win the lottery I'll be developing a whole host of titanium parts for the 2UR-GSE starting with crank, rods, and torque converter...
Different engines for different goals. The LS is a pushrod design that is nowhere close to being as refined as the 2UR-GSE in terms of NVH. The LS engines offer good fuel economy, good packaging, and low weight at the cost of refinement/NVH.
GM also has over 60 years experience in making pushrods. They are the world's best when it comes to pushrods.
Toyota on the other hand does not have nearly that much experience making DOHC engines. Let's wait and see what Toyota can do after 60 years of DOHC experience.
all numbers quoted here are fully dressed unless commented otherwise.
552hp lfa's 1lr-gue v10 : ~380 lbs (0.7 lbs/hp) [bare or dressed?]
255hp rx7's 13B-rew rotary: ~400lbs (1.6 lbs/hp) [unverified]
505hp c6z06's ls7 v8: ~460 lbs (0.9 lbs/hp)
605hp carrera gt's v10: ~470lbs (0.8 lbs/hp)
405hp c5z06's ls6 v8: ~500lbs (1.23 lbs/hp)
638hp c6zr1's ls9 v8: ~530 lbs (0.8 lbs/hp)
600hp viper v10: ~550lbs (0.9 lbs/hp)
320hp supra 2jz-gte i6: ~590lbs (1.8lbs/hp)
480hp skyline's vr38dett v6: ~610lbs (1.3 lbs/hp)
552hp lfa's 1lr-gue v10 : ~380 lbs (0.7 lbs/hp) [bare or dressed?]
255hp rx7's 13B-rew rotary: ~400lbs (1.6 lbs/hp) [unverified]
505hp c6z06's ls7 v8: ~460 lbs (0.9 lbs/hp)
605hp carrera gt's v10: ~470lbs (0.8 lbs/hp)
405hp c5z06's ls6 v8: ~500lbs (1.23 lbs/hp)
638hp c6zr1's ls9 v8: ~530 lbs (0.8 lbs/hp)
600hp viper v10: ~550lbs (0.9 lbs/hp)
320hp supra 2jz-gte i6: ~590lbs (1.8lbs/hp)
480hp skyline's vr38dett v6: ~610lbs (1.3 lbs/hp)
01-08-11, 01:42 PM
#82
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I apologize for bringing this thread back from the dead if there is no interest, but I am curious to know more about this concept if it is available. Could not really find anything solid from a google search here and in Japan. The engine weight discussion was interesting, but I am hoping that in the ten+ months this thread has been asleep that someone has some more information about the CCS or other track models that may be 'coming' to shows.
In looking at ground kit it looks very similar to the recently completed kit for ViperVern, ( https://www.clublexus.com/forums/is-...-the-is-f.html )
Thanks,
Charles
In looking at ground kit it looks very similar to the recently completed kit for ViperVern, ( https://www.clublexus.com/forums/is-...-the-is-f.html )
Thanks,
Charles
01-08-11, 06:58 PM
#83
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I apologize for bringing this thread back from the dead if there is no interest, but I am curious to know more about this concept if it is available. Could not really find anything solid from a google search here and in Japan. The engine weight discussion was interesting, but I am hoping that in the ten+ months this thread has been asleep that someone has some more information about the CCS or other track models that may be 'coming' to shows.
In looking at ground kit it looks very similar to the recently completed kit for ViperVern, ( https://www.clublexus.com/forums/is-...-the-is-f.html )
Thanks,
Charles
In looking at ground kit it looks very similar to the recently completed kit for ViperVern, ( https://www.clublexus.com/forums/is-...-the-is-f.html )
Thanks,
Charles
Seems to be a show car only. Nothing like it available here or overseas. Shame really a lightweight IS F would be interesting.
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