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Hey I was looking at some of the head packages from DH Racing. How about this for my D17A2? Stock port and polish head, 3 angle valve job, polished valves, race titanium valve springs, retainers, rocker arms and a stage 3 race cam. To put this set up on top of a stock block, is this head set up too powerful for the stock bottom end? If not, how well will the bottom end hold up if I decide to put a 50-75 shot of nos in the picture? This head package totals just a little over $1000 dollars and is supposed to produce power to the wheels like you wouldnt believe so I am pretty interested and am hope on getting this done after the 1st of the year. I'd appreciate any info from any of the experienced racers, thanks.

 
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PM catalyst or wait for him to reply... he's the only one that has gotten his head done from dave hickman racing....

 
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Yea, i have that. It is nice with the stock ex header on my lx. If you combine this with a nice header and an intake manifold, it will be extremely nice.

I think that since my stock bottom end held up with this head + 13 psi of boost, i think it will hold up just fine NA.

 
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Well then, I guess it seems as though the bottom ends in our 7th Gens are a little stronger than once thought. I'm probably gonna be on a tight budget around that time so the manifold may have to wait but I've already got a dc header on there.

 
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Well, DC sports wasnt what i was thinking. I was thinking more along the lines of a long tube 4-1 that is port matched to the head. Something along the lines of the SF NA header.

 
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Of course you were

 
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thanks, I appreciate the info

 
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has any one done a lx to ex headswap

 
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anyone done a head swap

 
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swapping an ex head onto a lx/dx wont do squat. your not gonna get any gains or VTEC.

 
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if you run a v-afc you will gain vtec so y wont it work

 
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no. you wont.

 
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you need the computer and engine harness (or run your own wires) to make the vtec work.

talk to c2i0v0i2c, he knows what you need.

 
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i have a question.....why in the hell is everyone raving about this dhracing so damn much? is it because the all mighty catalyst has something done by them? i mean, i know he's the leading guy in all of the d17 turbo stuff but how come the only companies i ever really hear about are ones that he's partnering with or that he's tried? why arent there other guys out there going to other places to get things done? i dont get how the d17 community is basicly being monopolized by a few companies. and i know what your thinking...those people make the best products right, so thats why they are leading? WRONG....who in the hell else out there has had headwork done by someone else? its not like its hard to do a proper 3-angle valve job or port out a head. who cares if the guy has ran in the 9's or watever. its the craftmanship that counts, not who you are in business with. and even yet, i bet for the price of the all mighty dhracing head you could find at least a dozen other shops that will match dhracings quality and hey...imagine this, maybe another shop might know somehting that dhracing doesnt? BUT i know, dhracing is the best dude...no one else comes close b/c he can put a d16 into the single digits. its not like dave hickman is the only one. i cant wait for you guys to open your eyes when im done with this project....you dont have any clue that there is a world of worthy companies out there just because your zoned into this world of catalyst. latr

 
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you wanna know why, cause the last two campanies that tried (Gude and KMS), where crap, no gains, only problems and power loss, there have been people that have tried other stuff, just none seems to work....

 
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KMS is a company that cant get anything right, thats why their company hasnt grown one ioda in passed years. and Gude, anytime i see more escort zx2's than any other car at a shop it makes me start to wonder...

 
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Everybody raves about DH racing and SF because they are proven to make good gains , be reliable, and is quality work at a reasonable price. Plus both are located in Lancaster California with is an hour and a half from my house so when I am ready to get some work done itll be very convienent.

 
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Check out this thread I started in the Tech section:

http://www.7thgencivic.com/forums/sh...hreadid=123181

Its about PnP jobs from Endyn - which are all over the Honda-tech forums. If you do a search there about PnP jobs there they are recommended over pretty much anyone else (and not to start a flame war), even DH racing.....

Reason is, from what I understand is because they have been around forever I guess. Do a search for DHracing on honda-tech too - see what comes up. Its interesting seeing different opinions that people have about places.

Now just to re-iterate - I'm NOT starting a flame war, so don't think that is the case.

Now GO, read, and learn.....

 
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SF and DH are the small business leaders in our 7thgen automotive industry. They focus on quality and amazing R&D. Why would you not want to buy from a company that is dedicated to make the best products for your needs?

By the way--I have no affiliation with SF or DH. So dont tell me I am advertising. But hopefully, I will soon.

 
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The rave over Dhracing is because Dave Hickman, owner of DHracing (hench the DH in the name) was one of the first honda drivers into the 9's. And his portwork is on most of the other cars that went 9's. He holds the world record for most powerful B16 head (all stock parts, just portwork).

And the reason other companies are recommended over DHracing is because those companies are huge. They have advertisements everywhere. Not because their quality is better or their gains are better. I dont know how anyone could get better gains, because Dave holds the world record. And until someone breaks it, he is the best in my book.

 
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^^^^Well put. I don't care if DH is the smallest company making aftermarket parts, he is the best. Look at all the things Dave has done for us on this site. I mean, hell he is taking time to build anything you want for the D17. How many other companies are doing that? Not many because they think the D17 has no promises in making power. Well you haave proof that the D17 can make power and keep up with the DOHC motors. Granted that it don't make as much power, but I think it can make enough power to get noticed. So far with just FI the D17 has gotten into th 13s. With alittle bit of motor work I dont' see why the D17 can't get into the 12s or even the 11s with slicks.

Dont' get me wrong, I would love to have a K20A2 with boost under my hood and make 400 hp. But after reading all of the post on clubrsx and ephatch all of those guys have a hard *** time getting anywhere.