LS1 RX-7 vs 13B RX-7 Mazda
02-14-2008, 12:22 AM
#24
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A 13B actually weighs more than LS1 to my knowledge. Which is strange... Who would've thought a 1.3L motor would weigh >= a 5.7L V8
03-27-2008, 09:06 AM
#26
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The reason is because the rotary can be sick from a roll. The LS1 had light mods so it was probably in the high 11's. T04R 13bs have been in the 9s and 10s. I've waited for a vid like this considering how potent the 13b can be with really a aggressive porting and set up (not very reliable or streetable). My friend anthony at T and R racing got into the 10's (flat 10) for about 5 grand with a T78. The 13b's are awesome, there are just many (mostly) stock ones out there and the built ones need to be rebuilt often.
