AccordtypeT

Ok I built an h22 and I want to put a turbo like a GT4088 or S366 and i would like to know how many rpm faster an h22 spool vs a B18C ??

JDM H2B EK

2x

TheShodan

iTrader: (14)

That's not an easy question to answer. typically displacement plays a factor in when the turbo reaches positive pressure, but other factors come into play, static compression (for off-boost shifts), max rpm, manifold, etc. It's not just a matter of XXX rpm
number of "spool" between 2 engine types.

AccordtypeT

I already have a sleeved h22a1, 8.5cr wiseco piston, eagle rod, p&p head, BC stg2 turbo cam, crower spring and retainer, OBX intake manifold, AEM water injection and I don't know if I wil put a spoolin quick 4 or rcautowork mini-ram. I don't really know what turbo put. I stick between holset hx40, pt6176sp, sc63, s362, s366, gt4088. I want journal bearing. This will be a street/strip car. Lag is not really an issue.Power goal is 400whp low boost, 600+hi boost. I want 13-15psi beford 5K. Is it possible with those turbo??

AccordtypeT

Also I don't really know the good and the bad to go t4 or t3. I think t4 will flow better and spool faster,but it will have a dark side.

30psi_gst

T4 wont spool faster. If anything it will spool slower but it will flow a lot of air up top. The GT4088 and 366 wont spool by 5k probably. Close but probably not. All the others probably will. They dont make the 6176 anymore. If u order it, all your gonna receive is a 6165. If you dont believe me, just order it and read the sticker on the comp cover. It will be on the inlet where your intake coupler would go.

I wouldnt go with any of those turbos myself, but if your set on one of those. The S362 has my vote if you go with an extended tip. BorgWarners arent the fastest spooling turbos but they arent the slowest either. They make real good power as well.

TheShodan

iTrader: (14)

There are a few journal bearing turbos that will do the job that are not precision that are from the Garrett camp, its just a matter of using the correct wheels and housings. I've made it a point to create a few Garrett and BW options that can "spool" realitively quickly compared to Garrett Ballistic series without a problem. Please PM me if you'd like for options for the H22 with that setup.

Turbo-LS

iTrader: (4)

ditch the bc turbo cams, stock would be better. Turbo cams are garbage in a honda engine

AccordtypeT

I know they are not the best cam ever, the spec are a little more aggressive than the type-s cam I will let them a chance, any way its to late

AccordtypeT

Have you a h22?Just for askingI make this tread because they are more turbo b serie than the h serie. When a h guy ask for what kind of turbo will work for is goal, many of the answers and experience come from b guy. I've talked with a guy who had a b18c5 with 630+hp gt4088r, he said to me that under 6k there was nothing but after pull like hell. If he had has an h22 may be is engine would pulled 1500rpm sooner and that would be perfect to me.I just need a reference.
Setup or setup how fast an h22 spool vs b18c. If some one have make the experience.

Sorry for my english

TheShodan

iTrader: (14)

For such a large turbo, the difference between the B and H isn't that significant, because the turbos themselves were designed for TOP END POWER. Because you're asking about Top End larger framed turbochargers that are 64mm and larger, Spool doesn't play much of a concern, because a) few run that large on a street application REGARDLESS of B/H/K engine for street/strip reasons, and b) between 1.8-2.5 litres, its still not going to respond more quickly based upon the displacement. Its still under 3 litres, so those people don't worry about that. they use the large turbos you're looking at for drag racing only, or at least, very little street use.

30psi_gst

I agree and disagree to some extent. A larger turbo to me on a Honda doesnt really make much of a difference because of the changeover. Almost every car that ive ridden in if the turbo wont spool by the changeover point. Its at full boost at the changeover. I rode in a friends GSR turbo that made like 565whp. It was pathetic until vtec. I think on the dyno it only made like 200whp pre-vtec. Then after it shot straight up and just leveled off. Kinda worthless if u ask me. My 6262 billet wheel makes full boost on my stock headed, 272, DSM by around 4800. A friend has one on an SRT with a built head and its only around 4300. The larger port work in the SRT head makes a big difference. If it had a stock head it would probably be closer to 4k. Displacement makes a good difference IMO. I pray this motor in my GST blows up, because i wont hessitate to go 4g64 (2.4L). All of my friends have SRT's, so ive fallen in love with a 2.4. Except ill be able to rev mine much higher then 8k lol.

I love the way my honda is setup. Changeover is still at the stock RPM point at 4500. The turbo makes full boost by 4ish give or take. I like it because i dont have that big dip. Its like it hits full boost, but when it comes in, since its boost only and no vtec. When it makes full boost and vtec comes in it makes 10psi feel more like 20. Ive not gotten a change to take it to the track. But on 15psi i have no doubts it will go 95+mph in an 8th.

Turbo-LS

iTrader: (4)

if your reaching fullboost by 4k, get it on a dyno and see how the power production is, you could possibly lower vtec and have even more of a powerband and the car would be that much more fun to drive

TheShodan

iTrader: (14)

But you're also comparing displacement WITH Different engine characteristics altogether. An A853, though similar to a 4G63 is COMPLETELY different than a 2.2 Litre H-series engine for the same power considering especially that the H22 engine in order to acquire the characteristics of the closed-deck blocks that you compare above, has to be sleeved and properly built. I understand your point about the utilization of the VTEC cams, but VTEC changeover is rather subjective, as the key point of the changeover is based upon the tuner's ability to have the secondary lobes of the cam create a smooth transition into VTEC with the turbocharger used.

Either way, to even come close to your engine comparisons based upon displacement alone, he needs to sleeve the block of the H22 to come even close to what you're trying to your point of analysis.