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Indy 401-SR heads |
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jcisworthy 
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Joined: Jul/23/2009 Location: North Carolina Status: Offline Points: 2805 |
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 Topic: Indy 401-SR headsPosted: Oct/19/2014 at 7:38am |
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New numbers from my Indy heads.
Upgraded to a 1.25/1.67 diameter 5/16 stem titanium Dell West valves and did some more porting.  Not quite done, going to install pushrod tubes which will get me a touch more csa at the pinch and may pick the port up a couple more. |
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Boris Badanov
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Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Posted: Oct/19/2014 at 9:03am |
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Nice, very nice.
Those should be great on a 6" rod Stroker 401+
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Gremlin Dreams
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jcisworthy
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Joined: Jul/23/2009 Location: North Carolina Status: Offline Points: 2805 |
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Posted: Oct/19/2014 at 9:20am |
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Going on my new engine for the Javelin.
Not sure if I am going to stroke it or not but building it for high 13's compression and 8k rpm's with a 5k converter so either way they will work fine.
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Boris Badanov
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Posted: Oct/19/2014 at 11:03am |
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A 6" + rod with flat top pistons and those heads should
make it easy to net 2 hp per CID. |
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Gremlin Dreams
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tsanchez
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Posted: Oct/19/2014 at 11:47am |
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What is the csa, and port volume at.
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jcisworthy
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Joined: Jul/23/2009 Location: North Carolina Status: Offline Points: 2805 |
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Posted: Oct/19/2014 at 2:30pm |
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Have not measured final csa and port volume yet if I get to it this week I will post it.
It should be sizes real close to what the valve needs, the height is set at 2.6" the width is not quite done yet and I dont remember what it is or have the info here. I imagine the runner is somewhere between 245-255 cc's.
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george48
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Joined: Oct/22/2014 Location: Lexington,Ky Status: Offline Points: 1 |
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Posted: Oct/22/2014 at 6:55pm |
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I've got a set of those heads on my 401.They flow like crazy,& the car runs like a "scalded dog". However I had to use "Indys" intake because of the angle of the heads. I personally don't like single plane intakes but it does have bosses for EFI. Hope you enjoy them.
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