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-   -   250 inline six (https://classracer.com/classforum/showthread.php?t=36328)

art leong 09-28-2011 04:53 PM

Re: 250 inline six
 
Glen Tredwell from Fla runs inline motors in comp also.

kansas stocker 09-28-2011 06:37 PM

Re: 250 inline six
 
Troy,
Check www.inliners.org.
There is a book on chevrolet sixes written by somebody whose name starts with S.
I'll look aroung and see if I can find it but I think it is loaned out.
Pete

Chuck Norton 09-28-2011 07:06 PM

Re: 250 inline six
 
Troy,

There are probably a lot of people who have put in time on those heads but I doubt that many have devoted as much of their life to them as Mike Kirby, a partner of Kay Sissell back in the day <http://www.sissellautomotive.com>. Mike has the molds that he and Kay designed and casts up a pallet or two of castings every year. Watching him machine a raw aluminum casting into a race head is a fascinating way to spend some time.

A couple of years ago, one of Mike's customers wanted a fuel injected 250 so he fabbed a manifold, we hooked up a Holley Commander 950 FI system and he and I spent a couple of days on his dyno sorting out fuel and timing maps. That was a very responsive little motor.

In addition to the aluminum heads Mike has a comprehensive product line of bolt-on components for those motors. He runs Kay's old twin-six dragster on the nostalgia circuit with some success. Last time I talked to him he was experimenting with running nitro in the dragster.

It would be worth your time to call him (number is on his website) and talk about what he has to offer. Mike is a great conversationalist as well as a died-in-the-wool six-banger gearhead.

Good luck,

c

Ed Fernandez 09-29-2011 01:25 AM

Re: 250 inline six
 
I know someone who I believe still has one of those Kay Sissell heads.Let me know if you're interested and I'll find out.

greg fulk 09-29-2011 01:49 AM

Re: 250 inline six
 
After running both the 230 & the 250.....unless your putting it in a truck or have a light aftermarket crank the 230 is the way to go.....230 uses 283 pistons & crank is about 18 lbs lighter!

Dwight Southerland 09-29-2011 09:10 AM

Re: 250 inline six
 
Quote:

Originally Posted by okieracer (Post 285111)
Kevin Self is Glens son. Currently runs comp. 580-924-5866

Correct. Brain fade.

Troy Henderson 09-29-2011 09:18 AM

Re: 250 inline six
 
You guys are a wealth of information, thank you.

I never see any 230's but 250's seem to run rampet. They'll take 307 pistons but I'll proabably have to have some made anyway to handle the boost.

Ed I would be interested in that head, they are usually very expensive and hard to find though.

Harry 6674 09-29-2011 11:15 AM

Re: 250 inline six
 
The Chevrolet Six Cylinder Power Manual by Leo Santucci is the ones you want. Volume two is a little more into turbos and super chargers. I'm building an injected-turbo 292 for bracket racing as we speak. Injecting a siamised port engine can get interesting unless you use a throttle body. Mine is port injected. Some claim close to 1000 hp out of these things. I'm not going that far. Looking for half that.


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