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D16A6 Best N/A Build?

13K views 17 replies 6 participants last post by  greasemonky89  
#1 ·
The Subject says it all folks. I'm getting a spare D16A6 in a couple days and I want to build it for the best N/A Setup. I want to stick with obd0 for now because it's a daily driver. This is a long term project because my car is in working order right now. Thank you and comments are appreciated.
 
#5 ·
jdillon22 said:
sxysweed said:
How deep are your pockets?
My pockets aren't deep at all but like I said, it's a long term project so I can always save and buy as I can.
jdillon22 said:
200 whp and reliable? I know... Your car is only as reliable as you build it to be. What kind of work/parts are involved?
What kind of gas would you run it on?

I'd wach the head ALOT. Probably close to like 0.110" to get the quench pads flush with the the head surface. Maybe weld the head and grind it down to get nice/flat quench pads. I'd cut a single singh groove into each pad. Have the quench pads on the pistons match the head and tweak the design to get maybe 14:1 compression (or more?). Bisimoto Level 3 cam (judging from dyno's I've seen of the Level X, it's dead bellow 4k rpm, bad for a daily), with matching springs/retainers/cam. I'd have a GOOD head porter port the head. Maybe have a Performer X manifold ported (not sure if it'll support the powergoals otherwise), otherwise I would just make the jump to ITB's.

Custom header built to my specs (or just get a Bisi header since they're under $400 now), 2.5"+ exhuast. A few other tricks to increase power output, such as a nice crank scraper, coatings on the pistons/head/valves. Of course the oil/water pumps would be ported. Maybe a few other things (forgot, been reading about F/I builds lately).

If I could build a motor with similar to the above specs, I'm sure I could get 180whp out of the Level 3 cam. Maybe change a few things, and 200whp on a Level X. Have the block $leeved and bored out to 79mm would al$o help bump power up. But I'm not sure if I'd rather do a D15 over a D16..

Look at Bisi's Dyno vualt and see how those builds do. Nihkon's brother supposedly had a sick ~170whp D16A6 as well. Oh, and get reading on onecamonly.com.

Personally, I've been going back and forth between doing a all motor A6 build or a boosted Z6 build... It's like high-strung non-vtec @ 175whp vs boosted vtec @ 350whp..... Such a hard choice...
 
#6 ·
I do know of a GOOD local machine shop that does that. Personally, I have absolutely no welding skills so that would be out of the question. As far as gas, what are you talking about exactly? On this kind of setup a premimum mix would be better?

Chopping the head up that much would make me worry about hitting a valve or something. I could take the pistons to the shop and have him match them up I suppose couldn't I?

How much money do you have in mind on this build?

Oh and I know I mentioned, but reliability is one of my main goals out of this build and performance is my next goal.
 
#9 ·
crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
Lol you're the one bragging about a 300+ whp N/A A6 build. I want to see some results from that myself. Anyway... I might just go with a basic stage 2 cam and high rise pistons or something... Idk yet so keep the comments coming please!
 
#10 ·
If I could get 150+ hp out of an a6 by just doing a cam and upping the compression I would be happy. I'm just wanting to get an a6 back in my car like it use to have. Some dummy put a d15b2 in it and it's a huge lack of power compared to the a6. :shock:
 
#11 ·
jdillon22 said:
crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
Lol you're the one bragging about a 300+ whp N/A A6 build. I want to see some results from that myself. Anyway... I might just go with a basic stage 2 cam and high rise pistons or something... Idk yet so keep the comments coming please!
Please show me were I ever stated or bragged about a 300hp na D????????????????????????????????????????????????? :lol:

In my build thread I stated I was thinking about building a 300hp na motor but never said anything about it being a D 8)
 
#12 ·
crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
I've heard mixed things about bisi. Have you dealt personally with his/their products? Not to jack this thread.
 
#13 ·
Chico7 said:
crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
I've heard mixed things about bisi. Have you dealt personally with his/their products? Not to jack this thread.
Yes mix reviews from the turbo people, but from the N/a people they love him. Delta is starting to copy his regrinds/ make them better so thats another route.
 
#14 ·
I've never been a fan of copy cat companies. As a matter of fact I think thats what somebody told me bisi was doing. Either way, I'm not here to drag anyone's name through the mud. If the stuff works it works. You can't argue with that haha.
 
#15 ·
So yeah back to my build now guys.

Personally i've never heard of bisi so I don't know what to think on that.

I'm a rookie and i've personally never had an engine of my own apart, except for in my automotive classes but that's besides the point.

Explain more about bisi please.
 
#16 ·
jdillon22 said:
I do know of a GOOD local machine shop that does that. Personally, I have absolutely no welding skills so that would be out of the question. As far as gas, what are you talking about exactly? On this kind of setup a premimum mix would be better?

Chopping the head up that much would make me worry about hitting a valve or something. I could take the pistons to the shop and have him match them up I suppose couldn't I?

How much money do you have in mind on this build?

Oh and I know I mentioned, but reliability is one of my main goals out of this build and performance is my next goal.
I think I could reach my goal of maybe 200whp on $4000. But that's not including the transimission (I would want to do a LSD/4.9 FD, and have Bone or Aquafina rebuild it). I'm sure it can be done for cheaper, but idk. And I'd probably run E85 + LOTS of compression. Yeah, you can most likely run 13:1 on 93 and a big cam, but if I ever built a motor, I'd run MORE compression... But maybe on a D15 (crank weighs ~4lbs less, better RS...)....

It's a nice thing to open/port a few oil/water passages in the head to make sure flow is good, but yeah, you would DEFFINATELY need to clay the motor/possibly notch the pistons. P29's or anything with a dome would be a no-go. You also run into problems with the pistons hitting the spark plugs... There's a good thread on shaving the head ALOT and problems associated with it on OneCamOnly.

jdillon22 said:
If I could get 150+ hp out of an a6 by just doing a cam and upping the compression I would be happy. I'm just wanting to get an a6 back in my car like it use to have. Some dummy put a d15b2 in it and it's a huge lack of power compared to the a6. :shock:
I/H/E, Nice cam, and 11-12:1 compression and you should be able to hit 150whp no problem. Look at the builds on d-series.org. If your 'B2 is DPFI, swap to MPFI and swap in a Si Transmission, and it should feel alot more like a Si.

crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
D17's have thin rods and a relatively crappy R/S. People have bent/snapped rods revving above like 7-7500rpm. In threads where I've asked about D17 strokers, I've been advised several times not to take it too far over 7000rpm... But I also wonder if it'll make power past that (depends on alot of things though)....

Vitara's + Shaved Rods can be made to work with the D17 crank if you don't mind the pistons coming out of the block.... :eek:

Chico7 said:
crxvtec91 said:
D17 crank, rods, pistons, bisi cam, bisi header, bisi cam gear. Shave the head and block down to get comp over 10, plus a tune and you may end up with around 150 maybe 160hp.
I've heard mixed things about bisi. Have you dealt personally with his/their products? Not to jack this thread.
I've heard great things about Bisi himself, but I don't like his sales people. They don't provide complete answers to some emails and I don't like their posting style on some forums... But I've never actually bought from them.

@Chico7: Nothing anyone does in the Honda Performance sector is remotely new. All the ideas are taken from somewhere else (like the muscle car community, they know what they're doing).

jdillon22 said:
So yeah back to my build now guys.

Personally i've never heard of bisi so I don't know what to think on that.

I'm a rookie and i've personally never had an engine of my own apart, except for in my automotive classes but that's besides the point.

Explain more about bisi please.
Bisi Ezerioha is a guy out in California that founded the company "Bisimoto". He's well known for building sick SOHC honda's, but also for extracting power out of any motor he touches. He's built several D's and F's that have done 10-second (or better) quarter miles. He sells cams/springs/retainers/cam gears/H2D and H2B conversions/headers/all kinds of stuff. www.bisimoto.com
 
#17 ·
Some people say rods are weak and you cant rev it ect. Im thinking of building a cheap D17 motor dispite the so call bad thing. Plan is to rev as far as it will make power. If it goes to 8 or 9k then so be it.

Heres a nice link, http://www.d-series.org/forums/showcase ... build.html

His made 130hp and 118ft/lbs motor only has a few bolt ons nothing crazy.