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is it worth turbo'ing my DOHC ZC?

Old 19-Jul-2006, 02:28 PM
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is it worth turbo'ing my DOHC ZC?

Hi there, earlier this year i blew my stock motor and put in a ZC (in place of the si motor - figured why not) but now getting ready for the next step and am wondering if it's a viable to turob this motor, it know it's a super low compression 9.5/1 or something like that...or should i just put in something else (i presume a b16 of some sort)and then save up again and turbo that?
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Old 19-Jul-2006, 02:46 PM
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lower the compression the better for boost....but of course you need to build your block to handle the amount of boost

i've seen turbo twin cam zc's...good stuff=)
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Old 19-Jul-2006, 02:59 PM
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but is it difficult to build up the block? (cause parts are hard to find)?
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Old 19-Jul-2006, 03:08 PM
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if its your daily driver.. i wouldn't boost it unless you know what you are doing.

if it was me, i would boost the zc, screw getting a b-series
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Old 19-Jul-2006, 03:46 PM
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Originally posted by chris_si98

screw getting a b-series
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Old 19-Jul-2006, 04:20 PM
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it is my daily driver - is this a major concern? i would use a system with a boost controller, so i can play with the boost levels...i wouldn't want to stress the engine out on a daily basis...only turn it up if i was at the track...
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Old 19-Jul-2006, 04:24 PM
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you can have a boost car as daily, just like most stock turbo cars... a small amount of psi with proper tuning will make it a great daily... if you wanna go track it... raise the boost.. and put in another map that was designed from tuning on that many psi
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Old 19-Jul-2006, 05:07 PM
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Turbo it. You dont even have to build the block if you dont go above 200hp.
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Old 19-Jul-2006, 05:09 PM
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Originally posted by Mattds
it is my daily driver - is this a major concern? i would use a system with a boost controller, so i can play with the boost levels...i wouldn't want to stress the engine out on a daily basis...only turn it up if i was at the track...
doesn't matter. If you aren't very handy.. you might end up paying a lot in shop bills.
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Old 19-Jul-2006, 06:24 PM
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I suppose, what i'd like to know, is if the benifit from being able to run higher psi (due to lower compression)on my DOHC ZC still remains a benifit after one considers the higher HP figures of a stock b16?
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Old 19-Jul-2006, 06:53 PM
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What you should concern yourself with is the amount of power you want from your car, and the budget.
If your goals exceed 300hp then get a B. If they are under, stick with the D. Under 200hp you dont need to build the block, and for more then 200 you do, but the money you save from swapping a B can go towards doing that.
In other words, there is no benefit to the low compression of your D because to see the HP numbers that would affect the compression you would need to build the block, meaning a different set of low comp pistons.
And the B doesnt have much of a HP advantage. It's in the overall strength and design that the engine differs. It has an almost perfect R/S ratio, which means less stress on the sidewalls, which means it is able to rev higher.
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Old 19-Jul-2006, 10:13 PM
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hey, thanks PREMIUM DUDE.

I had to look up what an r/s ratio is...but it all makes sense. thanks guys.
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Old 20-Jul-2006, 05:32 AM
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i know a guy who's been running 14psi on his stock internal zc for over 5 years now without a problem.

boost it.
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Old 20-Jul-2006, 10:38 AM
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Originally posted by weiRtech
i know a guy who's been running 14psi on his stock internal zc for over 5 years now without a problem.

boost it.
what sort of HP/times is he running?
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Old 21-Jul-2006, 05:53 PM
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DOHC ZC+7lbs boost+good tune=Happy Mattds.Boost that biatch.
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Old 21-Jul-2006, 06:11 PM
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just get a greedy kit put that one there with some sort of custom ship or a afc or greedy emanage

or build a custom one

either way 150-160 whp is easy and you will be mroe than happy with that
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Old 21-Jul-2006, 06:23 PM
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Originally posted by chris_si98
i wouldn't boost it unless you know what you are doing.


lol chris soo thats why you blew the motor eh?

haha

whats up with the car now man??
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Old 21-Jul-2006, 07:34 PM
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what's our driveling loss? (well approx.)
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Old 21-Jul-2006, 08:28 PM
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Originally posted by Mattds


what sort of HP/times is he running?
i'm not sure what he has for numbers. i don't think he has had it out to the strip. he has it tuned on zdyne.
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Old 24-Jul-2006, 09:57 AM
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Originally posted by Mattds
I suppose, what i'd like to know, is if the benifit from being able to run higher psi (due to lower compression)on my DOHC ZC still remains a benifit after one considers the higher HP figures of a stock b16?

forget hp numbers... torque is your best friend... turbo DOHC ZC... i think that thing would make some decent torque numbers with a blower on it. b16s are gutless... unless turbo'd...
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