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300rwkw Challenge

smok3y

By smok3y,
in General Automotive Discussion

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igota33 Enthusiast

igota33

Posted
Posted

have a mate that is currently modding his ls1. intake and exhaust with extractors got 200rwkw which is what most get. another $1000 this week for ls1edit and a tune and the tuner reckons up to 250rwkw. if you want 300, i reckon you need cam at least. 200rwkw vt calais auto vs. 200rwkw r33 manual (me) and i walk all over him at any speed apart from the launch. throw in some curves and at the first corner he can't even see my rear end. you'll be surprised what torque RB25's produce. i've got close on 500nM with stock turbo, injectors and pump.

r34gtt 300rwkw manual would, in my opinion, kill an auto 300rwkw ls1. weight is the killer!

rob82 Mentor

rob82

Posted
Posted

There is so much variation in horsepower of the LS1's but gerneally a VY 235M will make about 200rwkw with an exhaust and may go to about 220rwkw with a tune on 98Oct. Put in a 218 deg square at 50 thou camshaft with 112 deg lobe centre's from memory and you will get up around the 260-270rwkw mark with a MAFLESS tune. I've never seen one make 300rwkw and thats with big camshafts around 230 at 50 thou on standard motors anyway.

And yes the R34 would smash it with 300rwkw.

VB- Veteran

VB-

Posted
Posted

take into consideration now that GENIIIs are gettin as cheap as R33's, and then factor in that its alot cheaper to get 300rwkw in an LS1. i honestly cannot think of ever seeing a skyline make 300 at the wheels without a built motor, or at least a basic rebuild with forgies, then add in the bigger turbo, fuel system etc.

GENII+4k capa supercharger+exhaust and tune=300+rwkw with fairly good reliabilty.... or so im lead to believe

Robo's Mentor

Robo's

Posted
Posted
take into consideration now that GENIIIs are gettin as cheap as R33's, and then factor in that its alot cheaper to get 300rwkw in an LS1. i honestly cannot think of ever seeing a skyline make 300 at the wheels without a built motor, or at least a basic rebuild with forgies, then add in the bigger turbo, fuel system etc.

GENII+4k capa supercharger+exhaust and tune=300+rwkw with fairly good reliabilty.... or so im lead to believe

They are definately pretty cheap to do up in a bolt on case.

Exhaust and twin 2.5 $ 1500

Tune and OTR $ 1600

My brother done this and it kicks out a little more power than mine, 250rwkw, but mine has broader stronger midrange so i can still blow him on roll ons. But its still impressive and it would beat a standard turbo R33 with mods.

Busky2k Veteran

Busky2k

Posted
Posted

WogsRus, that is, providing you did it in 4th gear which is 1:1. Otherwise you have to divide by the gear ratio.

Mind you my car "only" pulls 400nM on the dyno in 4th gear (245rwkw), which dividing by 3.69 gives you 108nM the flywheel which is like a 1.5L carby motor!! So yeah torque at the wheels on a dyno is not comparable to the engine torque.

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