K20 head on a r18a1???
02-17-2010, 06:56 PM
#1
Thread Starter
Join Date: Feb 2010
Posts: 8
Likes: 0
Received 0 Likes
on
0 Posts
K20 head on a r18a1???
Whats goin on,
i recently have had a 2010 civic with the automatic sohc i-vtec r18a1.
and i was wondering along with i/h/e since i cant do a tranny swap what would give me a little more power. can i have some more input??
i recently have had a 2010 civic with the automatic sohc i-vtec r18a1.
and i was wondering along with i/h/e since i cant do a tranny swap what would give me a little more power. can i have some more input??
Last edited by fg10; 02-17-2010 at 07:30 PM.
02-21-2010, 06:48 PM
#5
Honda-Tech Member
Join Date: Dec 2005
Location: 630 ish
Posts: 806
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
Yeah sorry cuz, a twin cam head won't fit on a single cam block. Maybe look into nitrous after you've done the necessary bolt-ons for a bit more power? Quick, cheap, easy, and surprisingly fun, especially after you beat a few people who think it's "just" a single cam haha.
02-21-2010, 07:39 PM
#7
Re: K20 head on a r18a1???
Yeah sorry cuz, a twin cam head won't fit on a single cam block. Maybe look into nitrous after you've done the necessary bolt-ons for a bit more power? Quick, cheap, easy, and surprisingly fun, especially after you beat a few people who think it's "just" a single cam haha.
Incorrect, but depends on the motor. Quite a few people have done a "G22" or "G23" where an H series head is put on an F series block.
Probably not the same case for the R18 though.
Trending Topics
02-23-2010, 06:48 PM
#8
Honda-Tech Member
Join Date: Dec 2005
Location: 630 ish
Posts: 806
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
^ Okay, okay touche haha. I was more or less talking about the K20 head on the R18 block because as far as I know it shouldn't fit but I've been wrong before.
02-23-2010, 07:45 PM
#9
Honda-Tech Member
Join Date: Jan 2002
Posts: 5,502
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
whoa, this is just like the other thread that got locked, except this one doesn't have asianskater91 busting out the science 
04-28-2012, 08:46 AM
#10
Trial User
Join Date: Apr 2012
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
Yeah sorry cuz, a twin cam head won't fit on a single cam block. Maybe look into nitrous after you've done the necessary bolt-ons for a bit more power? Quick, cheap, easy, and surprisingly fun, especially after you beat a few people who think it's "just" a single cam haha.
05-01-2012, 06:13 AM
#11
Honda-Tech Member
Join Date: Jul 2010
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
07-14-2013, 06:42 AM
#14
Trial User
Join Date: Jul 2013
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
Its possible, i've seen it done. It takes ALOT of work. But it isnt worth it. If you want power out of your r18 your either going to have to strap a turbo to it, my recomendation would be something smaller (low boost but fast spool) or do an all motor build (internals, injectors, cam, intake, intake manifold, race test pipe, 3" exhaust, tune on flashpro running high octane fuel) and remove as much weight in the car as possible. I drive an r18, i love it. And having an extremely quick automatic r18 that can smoke si's is alot more unique than a fast si.
07-15-2013, 01:18 PM
#16
Honda-Tech Member
Join Date: Jan 2002
Posts: 5,502
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
Its possible, i've seen it done. It takes ALOT of work. But it isnt worth it. If you want power out of your r18 your either going to have to strap a turbo to it, my recomendation would be something smaller (low boost but fast spool) or do an all motor build (internals, injectors, cam, intake, intake manifold, race test pipe, 3" exhaust, tune on flashpro running high octane fuel) and remove as much weight in the car as possible. I drive an r18, i love it. And having an extremely quick automatic r18 that can smoke si's is alot more unique than a fast si.
If the r18 auto tranny is anything like the d16 auto tranny, turboing the motor is a quick way to kill the tranny. They're not made for higher power levels. The Si is really the most cost effective way to make decent power. Not only do you start 55 HP up bone stock, but the motor and tranny are much stronger if you want to modify the motor.
07-20-2013, 09:21 PM
#20
Honda-Tech Member
Re: K20 head on a r18a1???
now this i gotta see. k series head on r series block...... i call 
(:
otherwise OP should just keep car as is until you save for a full k swap.
(:otherwise OP should just keep car as is until you save for a full k swap.
07-21-2013, 01:08 PM
#21
Honda-Tech Member
Join Date: Mar 2013
Location: East Coast_VA
Posts: 14
Likes: 0
Received 0 Likes
on
0 Posts
Re: K20 head on a r18a1???
OMG I love this thread guys! bahahaha
I cant tell you how awesome it is to login and browse through forums and find pointless a** responses like childs play and yet then everyone repeats each other (k series this and that)
come looking for answers or just general knowledge and get childish
I cant tell you how awesome it is to login and browse through forums and find pointless a** responses like childs play and yet then everyone repeats each other (k series this and that)
come looking for answers or just general knowledge and get childish
Thread
Thread Starter
Forum
Replies
Last Post
SomeDude56
Honda CRX / EF Civic (1988 - 1991)
8
08-29-2005 12:58 PM
