DASA work of art [Archive] - ATV Riders Forum

chad502ex

11-01-2005, 06:34 PM

Dan from DASA told me I could picture the valve work and dome, but not the port work.

All I have to say is that the entire head is a work of art. I wish I could picture the ports for ya, but I gave my word to him that I'd keep his port work a secret for him so that he can continue to pull every holeshot at every Pro race. WTG DASA.

look at how many angles on the valve seat. each angle is precise for maximum flow. This is the exhaust side with valves removed.

questions are encouraged,

This work is all DASA!!

:macho:

fasterz

11-01-2005, 06:36 PM

yummy.

Stealth450r

11-01-2005, 07:18 PM

if i wanted to get my head ported and all new valves and everything else involved how much would it cost and is it worth it.

nice looking work

chad502ex

11-01-2005, 07:30 PM

Originally posted by Stealth450r
if i wanted to get my head ported and all new valves and everything else involved how much would it cost and is it worth it.

nice looking work

Well, give Dan at DASA a call and ask him for yourself cause I would think it would be better if he answered those questions. You could always go to his DASA section here at ATVRIDERS forum, start a thread and ask him.

The thing here is that there are plenty of "port polishers" that only will last minutes after the engine is first started then disappears from the heat and detonation abuse the combustion has to offer. My point is that there is nobody even close to the level of port quality DASA can, even after the polish diappears the DASA performance remains.....

if you could only see the best part of the work- the intake port!

tucson450r

11-01-2005, 07:33 PM

That is some good looking work!!! Joe at Rossier does some awesome work also. That valve job is PRISTINE!!!

chad502ex

11-01-2005, 07:44 PM

Originally posted by tucson450r
That is some good looking work!!! Joe at Rossier does some awesome work also. That valve job is PRISTINE!!!

Thanks. More than looks to this is a work of art. The intake is technology taken from GM ;)

No wonder how DASA's heads pull 63rwhp on stock 450 bore,.... incredible..

11-01-2005, 08:21 PM

Originally posted by chad502ex
Dan from DASA told me I could picture the valve work and dome, but not the port work.

All I have to say is that the entire head is a work of art. I wish I could picture the ports for ya, but I gave my word to him that I'd keep his port work a secret for him so that he can continue to pull every holeshot at every Pro race. WTG DASA.

look at how many angles on the valve seat. each angle is precise for maximum flow. This is the exhaust side with valves removed.

questions are encouraged,

This work is all DASA!!

:macho:

WOOOOWWWW :macho :macho

smorris

11-01-2005, 08:32 PM

I'm with ya 100%.. He turned my 450 into a screamer!
Yall dont back him up with too much work ..I gotta get another one done for next year!

11-01-2005, 08:37 PM

Originally posted by chad502ex
Dan from DASA told me I could picture the valve work and dome, but not the port work.

All I have to say is that the entire head is a work of art. I wish I could picture the ports for ya, but I gave my word to him that I'd keep his port work a secret for him so that he can continue to pull every holeshot at every Pro race. WTG DASA.

look at how many angles on the valve seat. each angle is precise for maximum flow. This is the exhaust side with valves removed.

questions are encouraged,

This work is all DASA!!

:macho:

does he do this port work for everyone, or just u

im thinkin about building my motor, but im not wanting to lose my low end power by doing some huge porting, just curious

chad502ex

11-01-2005, 08:38 PM

smorris. you smile every ride now, don't you?

OH, you can never have too much work.... :D

everyone should be getting their porting done by DASA. period.

11-01-2005, 08:40 PM

Originally posted by chad502ex
smorris. you smile every ride now, don't you?

OH, you can never have too much work.... :D

everyone should be getting their porting done by DASA. period.

ya, ive talked to Dan a few times, really nice guy, and the support hes throwin to the non-pro riders is great, im def looking forward to getting some stuff done :macho

iceracer65

11-02-2005, 09:30 AM

i saw/heard the difference in smorris's motor first hand, quite the difference.:macho

11-02-2005, 10:05 AM

what kind of increases are we talking, with DASA head/valve porting on a completely stock motor?

chad502ex

11-02-2005, 10:07 AM

On Dans stock bore he is able to push from high 30's to low 60's with just top end work like porting, valve and cam

chad502ex

11-02-2005, 06:18 PM

here's another teaser

more of the dome work

diangelo#67

11-02-2005, 06:25 PM

i'm a big fan of there motor work

one word be-ut-ti-ful

Pappy

11-02-2005, 07:18 PM

Originally posted by chad502ex
On Dans stock bore he is able to push from high 30's to low 60's with just top end work like porting, valve and cam

thats getting the job done!

11-02-2005, 07:21 PM

Originally posted by Pappy
thats getting the job done!

lol no kidding

h-bomb450R

11-02-2005, 08:30 PM

if i got DASA to pot and polish my motor...would i end up with too much explosive power for woods racing???

Austin

11-02-2005, 08:38 PM

Originally posted by h-bomb450R
if i got DASA to pot and polish my motor...would i end up with too much explosive power for woods racing???

Austin

no, he can port your engine for woods racing so that you still have a good overall powerband

Chino886

11-06-2005, 09:18 PM

Originally posted by Yurik Norton
no, he can port your engine for woods racing so that you still have a good overall powerband

I'm jealous. I am wondering what kind of HP a stock 400ex would have with Dan's port work.....

Knowpig

11-07-2005, 10:07 PM

Originally posted by chad502ex
On Dans stock bore he is able to push from high 30's to low 60's with just top end work like porting, valve and cam

I'm a DASA fan, but I think DASA might have to slap you for that.
Yes, just top end work......porting, valves, springs, retainers, cam, piston, pipe, ignition, and race gas.
Just those FEW things, and you to can have huge power gains.
What else can you do?:eek2:

But I'll say this, the little teaser on the head is pretty.

11-07-2005, 10:54 PM

those pictures are like something out of a magazine...kinda like art...WOW :eek2:

#404's Dad

12-02-2005, 01:41 AM

Thats one bad *** looking head there boy. wow

chad502ex

12-02-2005, 06:18 AM

got a lot more pictures too. Trying to get DASA approval to post a few more. stay tuned.

JDiablo

12-02-2005, 08:07 AM

Wow looks like im starting to like DASA even more,what kind of options do they have for the YFZ?

12-02-2005, 08:08 PM

can't wait for the new motor to be done, so you can let us know how well it does!:D

chad502ex

12-02-2005, 08:14 PM

Originally posted by Jasson450r69
can't wait for the new motor to be done, so you can let us know how well it does!:D

I start the purchase and tear-down on the 16th....

all will be documented on-line. every step of the way with pictures too.

wahhhooooo

12-02-2005, 08:18 PM

sounds good bud, i hope it goes long, and makes the numbers you want.