Lexus isf ( i/h/ex) vs 335i jb4 with full bolt on
07-22-14, 01:45 PM
#5
If the 335 is on pump gas, the ISF will win. If it is on an E85 blend, it will be a toss up. If it is on pure E85, the 335 will win.
My brother had a bolt on/E85 blend 335. This is my experience.
My brother had a bolt on/E85 blend 335. This is my experience.
07-22-14, 02:00 PM
#6
Instructor
^^^^this. They will put down close to 430-40whp on E85. I lost by about a car up to about 125 twice.
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07-22-14, 03:43 PM
#8
yeah, those jb tunes are not something to mess with. I paid 379$ and got like 80 hp, makes it seem like another car. turbo spoooooool 
I feel like the F can win though, never went dead on 335 to isf.
I feel like the F can win though, never went dead on 335 to isf.
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07-22-14, 03:51 PM
#10
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07-22-14, 03:55 PM
#11
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Jb4 335i can en too genenral
So let me put some more info on this 335i most ppl tune
Downpipe
Exhaust
Intake
Charge pipe with intercooler
^^^ thats most ppl do
Keeping the stock turbo*** on runing on pump gas or mix with e85..
I do love my isf but i know it is hard to beat a modded 335i
I have seen 335i with some internal upgraded with jb4 that pumps the 450whp
But isf with 3 simple mod intake header exhuast
And always a option NOS
So let me put some more info on this 335i most ppl tune
Downpipe
Exhaust
Intake
Charge pipe with intercooler
^^^ thats most ppl do
Keeping the stock turbo*** on runing on pump gas or mix with e85..
I do love my isf but i know it is hard to beat a modded 335i
I have seen 335i with some internal upgraded with jb4 that pumps the 450whp
But isf with 3 simple mod intake header exhuast
And always a option NOS
07-22-14, 04:26 PM
#12
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IDK about you guys, but a full bolt-on JB4 on c16 should still lose to a full bolt-on isf. The race should be close from 40-110ish then the F will pull once its gets into 5th gear.
Edit: I haven't raced a JB4 335 in a while so my results may be different if something has changed with those cars recently. Almost ready to start taking racing again seriously so ill probably find out soon enough
Edit: I haven't raced a JB4 335 in a while so my results may be different if something has changed with those cars recently. Almost ready to start taking racing again seriously so ill probably find out soon enough
Last edited by MRxSLAYx; 07-22-14 at 04:31 PM.
07-22-14, 08:32 PM
#15
a lot of this depends on location which is why I wonder where itsmike lives and why he's losing to a bolt on jb4 335. 330whp is definitely on the low side for an F.
It depends a lot on the driver as well. When we went to the track with 6 isfs, the difference between similarly moded cars was almost a second. You have to know how to shift the F to get the most out of it.
It depends a lot on the driver as well. When we went to the track with 6 isfs, the difference between similarly moded cars was almost a second. You have to know how to shift the F to get the most out of it.
Last edited by jat0223; 07-22-14 at 08:36 PM.
