Honda/Acura Tech Honda tech discussion.

SOHC or DOHC

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Old Feb 3, 2009 | 03:18 PM
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Originally Posted by StrictlyBusiness
Why? You can do that with a BONE STOCK b16, no need to build it. Also, to make that on the SOHC I bet you have to run a high amount of boost as well, but I have personally seen over 300whp on 9lbs of boost without problems on a conservative tune on a bone stock b16 w/ ebay kit.


DOHC>SOHC all dayyyyyyyyy
Because that b16 will cost twice as much as the parts to build the d16, and will still only be stock internals which have a chance to go out at any time, also when you build the sohc you now have all new internals and seals. A new engine.

Also wtf does it matter if you have to run more boost? If you knew a damn thing about engines, turbos, or physics youd know that boost pressure doesnt mean a damn thing when it comes to power output. CFM does. Yes the higher your boost the higher your intake charge can be but beyond that "9lbs" mean JACK SHIT. 9lbs on a 57 trim t3/t4 may make 280hp while 9 lb on a t25 may make 180. Just an example.

And yes, I was referring to a d16 built with a turbo, not just rods and pistons. You will never get 250 out of a D16 NA, and its highly unlikely youll ever see 250WHP out of a B series either.
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Old Feb 3, 2009 | 03:54 PM
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Hmmm... ive seen some fast both....

Cant really hate... on either.. but i def prefer my Dual cam to any single cam ive had...
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Old Feb 3, 2009 | 05:11 PM
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Originally Posted by HonkeyDong
My friend is going to get his SOHC built and boosted setup tuned this friday by vega, I'll let you know how much it makes.

stop talking about me. on 14 lbs i made 249 whp and 222 tq. that was a month ago running rich. i plan to be making 300+ after friday
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Old Feb 3, 2009 | 05:13 PM
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Originally Posted by tai mishuu911
stop talking about me. on 14 lbs i made 249 whp and 222 tq. that was a month ago running rich. i plan to be making 300+ after friday
"rich" is an understatement. You were dumping so much fuel.
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Old Feb 3, 2009 | 05:17 PM
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a n/a b20/V would give a stock boosted single cam a run for its money if not beat it....
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Old Feb 3, 2009 | 10:04 PM
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And would cost way more. Were talking block, head, if someone doesnt have the capability of doing the engine work then it will need to be installed. Conversion kit, mounts, linkage, axles, ecu. Itll end up costing the same (at minimum) or more, and itll have the same peak power. The sohc will be quieter (NA are loud and annoying), have WAY more torque and be more reliable than a b20 (siamese sleeves) if tuned right. There are arguments either way but if you want to make over 350hp go dohc, but to make ~300 itll be cheaper to do it with a sohc.
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Old Feb 3, 2009 | 10:10 PM
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I dunno if anyone has seen it, but if you get a chance pick up project car magazine, issue 7. They have an article on the price of a b16 swap in an EF vs a budget turbo setup on a crx. The b16 was way more expensive even without any turbo setup and even without a tune (stupid FMU) the d16 made gobs more torque and flat out destroyed the b series across the board. Now if you were to go turbo on the b16 it would make more power but also end up costing twice as much.
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Old Feb 3, 2009 | 10:20 PM
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Originally Posted by FrodoGT
I dunno if anyone has seen it, but if you get a chance pick up project car magazine, issue 7. They have an article on the price of a b16 swap in an EF vs a budget turbo setup on a crx. The b16 was way more expensive even without any turbo setup and even without a tune (stupid FMU) the d16 made gobs more torque and flat out destroyed the b series across the board. Now if you were to go turbo on the b16 it would make more power but also end up costing twice as much.

B16 suck dick!!! my old n/a single cam beat them.
b16's are way over rated,only b-series id ever do is again b20z/V or GSR/typeR
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Old Feb 4, 2009 | 05:22 AM
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well this is all really helpful and im deffinitly going sohc because i am (like most people) limited on money. but to kinda change direction, on the edelbrock turbo kit you can adjust the boost psi on that right?
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Old Feb 4, 2009 | 03:48 PM
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if you know what youre doing, it would be cheaper to piece together your own kit with QUALITY parts
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