Kaase Boss 9 Heads...

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Kaase Boss 9 Heads...

Post  514F-1 on April 3rd 2014, 1:06 pm

Has anyone done a race only build with the Boss 9 heads from Kaase? Just wondering, because if so, I haven't seen any? Just wondering why those heads aren't being used for race builds. Is it because they are too expensive compared to other options? Can the rockers and the like not withstand big lift cams? Or , are they not really intended for race builds, but rather for more street rod builds. I think the heads are really cool, and they would be really neat for someone starting a build, just wondering why more aren't being used?
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Re: Kaase Boss 9 Heads...

Post  dfree383 on April 3rd 2014, 1:39 pm

Quite a few boss 9 heads in race builds if you know where to look. I think because they have been so rare for so long you just don't see many compaired to other options.

The rockers on Kaases heads are fine for race use and big cams.
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Re: Kaase Boss 9 Heads...

Post  514F-1 on April 3rd 2014, 6:16 pm

dfree383 wrote:Quite a few boss 9 heads in race builds if you know where to look. I think because they have been so rare for so long you just don't see many compaired to other options.

The rockers on Kaases heads are fine for race use and big cams.

Ok, good point on them being so rare for so long. A boss 9 would be the ultimate dragster Motor IMP, since it would practically ride around on a display stand.. Surprised 
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Re: Kaase Boss 9 Heads...

Post  c.evans on April 3rd 2014, 6:33 pm

The Kaase Boss Nine heads were not really intended to be a race head, but more of a replica head. The port entry/exit is still in the same factory location, due to Jon's choosing. Thus we have "low" ports. Nothing wrong with the heads, I like them. Very Happy  However, I believe that the C-460 heads and or Pro-Filer 205 heads, along with the Thor heads would still make a better and more powerful racing engine for the dragster that you mentioned.
Charlie

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Re: Kaase Boss 9 Heads...

Post  514F-1 on April 3rd 2014, 8:41 pm

c.evans wrote:The Kaase Boss Nine heads were not really intended to be a race head, but more of a replica head.  The port entry/exit is still in the same factory location, due to Jon's choosing.  Thus we have  "low" ports.  Nothing wrong with the heads, I like them. Very Happy  However, I believe that the C-460 heads and or Pro-Filer 205 heads, along with the Thor heads would still make a better and more powerful racing engine for the dragster that you mentioned.
Charlie

Oh, no doubt, all those heads would make more power, I was just saying for the cool factor, the boss 9 couldn't be beat.
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Re: Kaase Boss 9 Heads...

Post  res0rli9 on April 4th 2014, 1:51 am

10-4 on the Boss can't be beat on the COOL factor....wins every time.  cheers 

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Re: Kaase Boss 9 Heads...

Post  DanH on April 5th 2014, 7:25 pm

514F-1 wrote:
c.evans wrote:The Kaase Boss Nine heads were not really intended to be a race head, but more of a replica head.  The port entry/exit is still in the same factory location, due to Jon's choosing.  Thus we have  "low" ports.  Nothing wrong with the heads, I like them. Very Happy  However, I believe that the C-460 heads and or Pro-Filer 205 heads, along with the Thor heads would still make a better and more powerful racing engine for the dragster that you mentioned.
Charlie

Oh, no doubt, all those heads would make more power, I was just saying for the cool factor, the boss 9 couldn't be beat.
racing, fast and winnig is the cool factor. Looks is for show cars and parking lot queens

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Re: Kaase Boss 9 Heads...

Post  bbf-falcon on April 5th 2014, 9:28 pm

DanH wrote:

Oh, no doubt, all those heads would make more power, I was just saying for the cool factor, the boss 9 couldn't be beat.
racing, fast and winnig is the cool factor. Looks is for show cars and parking lot queens[/quote
]

Hey now,I resemble that remark. Laughing 

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Boss 600

Post  AlkyPinto on April 14th 2014, 10:20 am

I've been running a full race Boss 600 with Kaase's heads in my Pinto
for 4 years now. Makes about 1000 HP on injected alky.
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Boss 600

Post  504T on April 15th 2014, 10:45 pm

AlkyPinto wrote:I've been running a full race Boss 600 with Kaase's heads in my Pinto
for 4 years now. Makes about 1000 HP on injected alky.

Nice! I am very happy with my C-head 600 - and it looks pretty nice but that would bring it all together....
I had a guy tell me a couple of years ago that my junk was a "trailer queen" and that real bracket cars get driven to the track.... To each his own I guess.
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Re: Kaase Boss 9 Heads...

Post  AlkyPinto on April 16th 2014, 10:14 am

Yep, Its a bracket car & I really didnt care if the Boss heads
were faster or slower. When it comes to eye candy, there just
aint nottin better then a Ford hemi! And as it turned out, its
about 2/10ths quicker then the Blue Thunder heads were. Very Happy 

http://rkracing.home.comcast.net/~rkracing/boss600.jpg
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