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banshee heads

3769 Views 20 Replies 8 Participants Last post by  Lift Gate Gus, 
Kawiking
im goin to be running a k&t head with 20 domes.. im 300 above sea level.... not sure about alky or gas yet

421 cub motor...
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BBIII
I am running a prodesign with a custom cut 18cc alky dome.

350cc drag ported and i am about 900'
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Kawiking
do u have to get domes cut for alky ??
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BBIII
Some say yes and some say no, it just depends on what your builder says.

The guy that did my cylinders told me to get some alky cut domes so i did.
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B
My preface disclaimer- Ive always said if we all did it the same, you'd just go to Wal-Mart to buy your stuff.

Here's what my testing has lead me to - Ive found that as they are two different fuel types- they also work better with two different head designs.
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Kawiking
cool.. i didnt know that. if i do go alky.. should i talk to f.a.s.t. about alky domes or try and get ahold of someone like NOSS about it ??
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BBIII
Well like Backcountry said every ones setup is different, but if he is your builder than ask him first.

IMO it's all trial and Error on setup.
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Kawiking
is that a long trail or short trail , bobby ??

i always believe in trial and error... j/k lol
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BBIII
haha
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hilarious
nothing but error here.
im using a blue head that says "banshee" on it.
stock stroke 350cc 64.5mm bore drag port by area 51 offroad
on 50/50 race gas and alky mix.
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Kawiking
QUOTE (hilarious @ Jun 27 2008, 03:08 PM) index.php?act=findpost&pid=3864nothing but error here.
im using a blue head that says "banshee" on it.
stock stroke 350cc 64.5mm bore drag port by area 51 offroad
on 50/50 race gas and alky mix.
what domes ?? stock cyln ?
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hilarious
im not sure on the cc size of the domes but theres about 180psi
worth of compression.
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9
QUOTE (hilarious @ Jun 27 2008, 02:34 PM) index.php?act=findpost&pid=3868im not sure on the cc size of the domes but theres about 180psi
worth of compression.
I run a white knuckle head.It's one piece with 2 domes and 4 o-rings I think.Very nice and I don't deal with all those o-rings.lol.
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Kawiking
any pics of that 99 ???
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dajogejr
QUOTE (Backcountry @ Jun 27 2008, 03:36 PM) index.php?act=findpost&pid=3851My preface disclaimer- Ive always said if we all did it the same, you'd just go to Wal-Mart to buy your stuff.

Here's what my testing has lead me to - Ive found that as they are two different fuel types- they also work better with two different head designs.

And my bike runs very well and consistent with Backcountry's domes...

I talked with him over PMs, figured out what I needed...and it's been going like the Energizer bunny since....

Thanks again Dan!
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P
I was gonna say if im not mistakin I believe jeff has gotten domes from him as well.I run a K&T head
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Kawiking
any heads out there to stay away from ??
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hilarious
QUOTE (kawiking @ Jun 30 2008, 07:23 AM) index.php?act=findpost&pid=4047any heads out there to stay away from ??

i have never had any that was bad.
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dajogejr
I like my Chariot head for simplicity....look and finish.
Chrome is flat out awesome, and even the mounting hardware is top notch.
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BBIII
The only head i have had a problem with it my pro design on one of the fin's in the middle for the water jacket it had broken that little lip off and i had to more less rebuild it but other than that it is the only one i know of with a problem.


I had a Chariot head and the quality was outstanding for sure, the only thing was [email protected] domes wont fit in it unless mine where a odball set.
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