550whp with hx35
04-22-2014, 07:22 PM
#26
Re: 550whp with hx35
Car is mostly going to be used at the strip, want to get as far as I can into 10s. Just trying to get opinions on what I could do with my hx35. From the sounds of it seems like this STC reaper turbo would out perform my hx35 for track use, and I could also go for more power with it than I could with my hx35.
My other option is a BW s360 with a t4 .91 ar housing(can get at a good price). Not sure if that would be too big a housing for my 1.8l to spool. Then again I'm not an expert on how twin scroll would affect the spool.
My other option is a BW s360 with a t4 .91 ar housing(can get at a good price). Not sure if that would be too big a housing for my 1.8l to spool. Then again I'm not an expert on how twin scroll would affect the spool.
04-22-2014, 10:50 PM
#27
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Re: 550whp with hx35
Both the Reaper and the S360 are larger and flow more than the HX35, so in theory they should make for a faster car. As I said previously the HX35 would have to be pushed very hard to get to 550whp
If you can swap it for a 60mm HX40 with minimal cash outlay, then that would work also.
I believe the 0.91 housing is the smallest divided housing for the S360, Full-Race recommends the 1.00 or 1.10 for VTEC engines running over 25 psi. The divider does take up some space which reduces the effective A/R.
If you can swap it for a 60mm HX40 with minimal cash outlay, then that would work also.
I believe the 0.91 housing is the smallest divided housing for the S360, Full-Race recommends the 1.00 or 1.10 for VTEC engines running over 25 psi. The divider does take up some space which reduces the effective A/R.
Last edited by extremeracer; 04-22-2014 at 11:06 PM.
04-23-2014, 07:46 AM
#28
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Re: 550whp with hx35
Yea I forgot bisimoto has forged pistons and rods for the f20b. the other nice thing is that the f20b has forced pin oiling which helps control friction and cooling in the top end of the motor.
I know a few people making 300-350hp on stock f20b motors with just ARP headstuds, although they aren't really needed because the f20b already has fairly beefy head bolts.
when I can get around to swapping the accord I am going to delete the balance shafts and get som sort of cam, maybe bisi's 2.4 along with (obviously) springs and retainers. given the motor is a true manual I can make some money back by selling the springs and cams. I'm also going to lightly clean up the ports, deshroud the valves and polish the chambers, along with arps and a new OEM gasket. should make for one hell of a street car since I plan on using my evo9 twin scroll 16g, maybe upgrading to a billet 20g wheel and slightly larger turbine wheel.
the intake manifold is still up in the air
I know a few people making 300-350hp on stock f20b motors with just ARP headstuds, although they aren't really needed because the f20b already has fairly beefy head bolts.
when I can get around to swapping the accord I am going to delete the balance shafts and get som sort of cam, maybe bisi's 2.4 along with (obviously) springs and retainers. given the motor is a true manual I can make some money back by selling the springs and cams. I'm also going to lightly clean up the ports, deshroud the valves and polish the chambers, along with arps and a new OEM gasket. should make for one hell of a street car since I plan on using my evo9 twin scroll 16g, maybe upgrading to a billet 20g wheel and slightly larger turbine wheel.
the intake manifold is still up in the air
04-23-2014, 04:06 PM
#29
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Re: 550whp with hx35
I'm friends with bisi, I don't pay retail lol.
although I would probably get custom pieces made, we have good relationships with numerous piston and rod companies but personally I want to see what the stock internals can do first. I also don't want to lower compression, if anything I want to go up. we've had a lot of good results with 11:1-15:1 turbo motors. 12.5:1 is about as high as I would go on 93 and meth injection.
IMO swapping in the h22 crank kinda kills the whole point of the f20b in the first place.
although I would probably get custom pieces made, we have good relationships with numerous piston and rod companies but personally I want to see what the stock internals can do first. I also don't want to lower compression, if anything I want to go up. we've had a lot of good results with 11:1-15:1 turbo motors. 12.5:1 is about as high as I would go on 93 and meth injection.
IMO swapping in the h22 crank kinda kills the whole point of the f20b in the first place.
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