hi im building an ls vtec mods are.

b16 head

crower springs and retainers
blox all motor valves
aem cam gears with ctr cams
minor port and polish
aem fuel rail with rc 310 injectors
stock intake manifold

b18b1 block
-Block has been decked
-Micro polish LS crank
-Shoped LS rods (To fit CTR Pistons)
-81mm CTR Pistons
-Block guard
-ARP Rod bolts
-ARP Head Studs
-ITR oil pump
-ITR Water pump
-ITR Timing Belt

question????

u guys think ill pass 200whp or not

 

1 Grab a motor
2. look at it
3. toss as much money as you can on brand name parts
4. pray for hp

that's not how **** work buddy. plus there are 1.5gizillion threats about how much power m'i going to get.

is somebody down to design a honda engine dyno simulator like the V8 guys have?.. i can make some intense guap out of it..

 

Go with bigger cams.

 

with ctr pistons bigger cams?????

 

Ehh, that's a good point. Clay it and see how much room there is. That's part of what I hate about those pistons . . .

 

yeah he needs bigger cams to bleed off the compression so its even streetable.

i dont see it making 200whp just for the ismple fact that the t uner wont be able to put any timing into it unless its on 100+ octane fuel.

 

no you will not make 200 whp.....sorry

 

whats ur set up and ur whp

 

Nah, bigger cams increase overlap which reduces the amount of incoming fresh charge.

Yes, it is possible to hit 200 whp with CTR cams in a 1.8L but takes some serious doing and it is not cheap.

 

well yes, but do believe you can use a larger lobe to lower the dynamic compression cant you?

i mean the fact still stands that the flame travel on those pistons is horrible, and you will have a very difficult time running decent timing.

 

i'm running 12:15:1 CR on my LSV and i'm running on Skunk2 STG. 2 camshaft w/ cam gears at +1,+1. so yes you should be able run higher lift cam. just clay your motor first. and it'll be hard to hit 200whp with just ctr cam. you'll need alot of tuning as mar778c stated. i only made 196whp with my setup and thats on STG. 2 cams but it was with a quick tune. with a little more in-depth tuning i should be able to reach 200whp, as another tuner told me. but i was too broke to go any longer. LOL.

 

thanks all u guys let me see if i can find other cams

 

I think you may be thinking of another concept. While dynamic compression is important, the state air for combustion is even more important.

What I'm referring to is the amount of air charge for combustion. The amount is the same because the vacuum for pulling in the charge, the piston size is still the same. The difference is the amount being pulled from the intake side versus the exhaust side. With the exhaust valve open longer, this will allow for the spent gases to be pulled back into the chamber. The spent gases introduce gases with act as inhibitors to the generation of a flame kernel.

 

so what cams do u guys recommend with this setup???????

 

i see what your saying, i guess it goes along with why you see a vacuum loss with larger cams also?

 

IMHO its not what cams, its what pistons should you use instead.

 

pistons are installed already i only need a head gasket to put everything together im going with cosmetic 3 layer.

 

Clay first, then measure what size headgasket you need to get best results.

 

can someone tell me how to clay the motor properly

 

Hey everyone, glad to be back...


Maybe it's me, and i'm not seeing 200hp on the current set up either, but wouldn't it be more efficient, cheaper even to just boost it at this point?

I mean you'd garuntee hit that 200 mark, hell go over that even AND might even save money depending on the Piston's you'd need for the goal + Labor.

 

My bad, just noticed i'm in the all motor forum...sorry, been a minute.

Question though, why the B16 head over the GSR head when you went LS-V?

 

i like the b16 head more flow, and with ctr pistons i don t need a gsr head.

 

the flow difference is negligible. the difference is in the chamber size/shape and compression yielded.



but yes with the pct's use the b16.

 

so the only thing that don t let me reach the 200 are the cams

 

imho, no, but they are an issue.

i dont think you will ever be able to put enough timing in it.