B20 VTEC...let's discuss this
03-07-2002, 02:54 PM
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B20 VTEC...let's discuss this
Okay guys...I'm considering changing my hybrid up once again. For those of you that don't know of me (formerly Yellow Dragon), I dropped a B18C1 into my '92 CX.
Well, I'm getting bit by the bug again and NEED more power. What better way than to build a B20 C1.
Does anyone here know of the B18C1 head being put on the B20 block? I would go through the whole bottom end, new pistons, bearings, rings, you name it.
What about the tranny? Will my GSR tranny work well with this setup?
How much hp do you think I could put down (WHP)?
Thanks in advance.
-Todd
Well, I'm getting bit by the bug again and NEED more power. What better way than to build a B20 C1.
Does anyone here know of the B18C1 head being put on the B20 block? I would go through the whole bottom end, new pistons, bearings, rings, you name it.
What about the tranny? Will my GSR tranny work well with this setup?
How much hp do you think I could put down (WHP)?
Thanks in advance.
-Todd
03-08-2002, 10:29 AM
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Re: B20 VTEC...let's discuss this (Todd C)
I'd have the C1 block sleeved and bored to 84.5mm. That way you get 2 liters (rounding up) and retain the oil squirters, block girdle, nice gsr crank, etc
03-08-2002, 10:46 AM
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Re: B20 VTEC...let's discuss this (Bert)
I'd have the C1 block sleeved and bored to 84.5mm. That way you get 2 liters (rounding up) and retain the oil squirters, block girdle, nice gsr crank, etc
03-09-2002, 08:59 AM
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Re: B20 VTEC...let's discuss this (Todd C)
Yeah, but why bore out and resleeve the B18...if it's not ruined?
How much does a used B18C1 bottom end (shortblock) go for?
How much does a used B18C1 bottom end (shortblock) go for?
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03-09-2002, 09:12 AM
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Re: B20 VTEC...let's discuss this (rainforest)
gsr head = .2 compression more
b16a =5.25 percent better flow.
b16a =5.25 percent better flow.
you're right about the higher c/r with GSR head but a stock GSR head flows better then a stock B16A head. B16A heads are just cheaper/easier to find...alot of people seem to confuse why B16As are most commonly used for frankenstiens..
I'm currently building B20B shortblock/ B18C1(P-72) head and GSR tranny.
The GSR tranny is great if you will be daily driving your car...the gear ratios are short but not too short so it is possible to cruise on the highway doing less then 4K RPM....get the Z10 block girdle and don't skimp on the rods/pistons..
with close to 12.0:1 c/r, a good p/p and ITR cams you will be over 200WHP with the right bolt-ons and should be above 150ft-lb...
a frankenstien is NOT for the faint of heart...if you scared then don't try it...but the brave will learn to love the almost F/I like torque but N/A baby!!!
03-10-2002, 12:41 AM
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Re: B20 VTEC...let's discuss this (vtecdoc)
Go check out www.crvtec.com.
It says on their website that b16 head flows better than b18 head. Should talk to Jeff at Import Builders. He just built a B20 Turbo that made 350+ at the wheels. He should know all that you want to know and more.
Jay Kim
It says on their website that b16 head flows better than b18 head. Should talk to Jeff at Import Builders. He just built a B20 Turbo that made 350+ at the wheels. He should know all that you want to know and more.
Jay Kim
03-10-2002, 05:02 AM
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Re: B20 VTEC...let's discuss this (kim307)
sorry, no AIM...but my e-mail is hybridteg@hotmail.com ...feel free to send questions my way anytime...
http://www.crvtec.com does not provide very accurate info....I wouldn't suggest that site to anyone who is just getting started...
this however is a link to a better article regarding cr/vtec and ls/vtec...
http://www.c-speedracing.com/frame.html
this at least has pics to demonstrate some of the steps...but hence, is also an incomplete article...it only goes into the basics of the actual build-up...
I'm actually working on an article which is outlining my frankenstein build-up...it includes detailed instructions of the build-up, an outline of all the parts used and why they where used...baseline #s for the B18C1 and power #s of the finished product and will be updated every so often to outline reliability...
the "how to" frankenstien question is asked countless times every day...hopefully my article will provide most if not all the answers....
as for the B16A head VS the B18C(gsr) head...anyone who knows about these heads will tell you that the GSR head flows better then the B16A head...stock for stock of course....just because the B16A head has the same dimentions as the ITR head it doesn't mean that they flow alike...remember the ITR head comes with a mild p/p and 5 angle valve job from honda..not to mention the ITR I/M...there is no debate about this, stock for stock the GSR head takes the cake every time
http://www.crvtec.com does not provide very accurate info....I wouldn't suggest that site to anyone who is just getting started...
this however is a link to a better article regarding cr/vtec and ls/vtec...
http://www.c-speedracing.com/frame.html
this at least has pics to demonstrate some of the steps...but hence, is also an incomplete article...it only goes into the basics of the actual build-up...
I'm actually working on an article which is outlining my frankenstein build-up...it includes detailed instructions of the build-up, an outline of all the parts used and why they where used...baseline #s for the B18C1 and power #s of the finished product and will be updated every so often to outline reliability...
the "how to" frankenstien question is asked countless times every day...hopefully my article will provide most if not all the answers....
as for the B16A head VS the B18C(gsr) head...anyone who knows about these heads will tell you that the GSR head flows better then the B16A head...stock for stock of course....just because the B16A head has the same dimentions as the ITR head it doesn't mean that they flow alike...remember the ITR head comes with a mild p/p and 5 angle valve job from honda..not to mention the ITR I/M...there is no debate about this, stock for stock the GSR head takes the cake every time
03-10-2002, 10:34 AM
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Re: B20 VTEC...let's discuss this (T.O.tegs)
Whatever you decide to do do it right the first time It will save $$, time, and headaches. You will definitely like the torque from the b20 but yeah dont cheap out on building that bottom end.
03-10-2002, 04:25 PM
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Re: B20 VTEC...let's discuss this (Todd C)
a friend of mine has the following
b18c1 head
gsr block bored to 84mm(pretty sure its 84)
rollerwaves
rods(maybe crower)
skunk2 cams
skunk2 ecu
dynoed 210 hsp
went 12.05 @ 113 mph in a daily driven hatch.
b18c1 head
gsr block bored to 84mm(pretty sure its 84)
rollerwaves
rods(maybe crower)
skunk2 cams
skunk2 ecu
dynoed 210 hsp
went 12.05 @ 113 mph in a daily driven hatch.
03-10-2002, 08:37 PM
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Re: B20 VTEC...let's discuss this (jinxproof99)
the beauty of a cr/vtec though is that you can put down 200+ whp with typeR cams...which are very mild cams...
now lets say you drop in toda spec Bs...I'd say over 240whp easilly..
now lets say you drop in toda spec Bs...I'd say over 240whp easilly..
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