Online Performance Resources for the 250 I6?

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Bad Jack XV

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Montana
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Barb
Truck Year
1976
Truck Model
K-15
Engine Size
4.1L 250ci In-line Six
Hey guys!

So one of the biggest issues I've been running into with my In-Line Six is finding online resources for Upgrades, and what I mean by that is not JUST parts themselves, but info on what kind of Upgrades people are doing.

I already peruse Jegs, RockAuto, LMCTruck, Summit Racing, and the like, but mostly they offer either Original parts or nothing for what I'm after. And for Performance, the sources I've been looking at seem kind of scarce. I'm totally open to the possibility that I'm simply missing the huge neon sign ( a site that I'm just not finding? I dunno! ) so I thought I'd ask.

Things I'm already doing for performance upgrades includes swapping in an HEI distributor, and finding a non-integrated head for it.

If it helps, I can go take a pic of what I got.
 

1987 GMC Jimmy

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350
http://www.crankshaftcoalition.com/wiki/Building_an_inline_6_Chevy_250_engine
http://www.mustangandfords.com/how-to/engine/1310-how-to-upgrade-performance-in-vintage-mustang-six-cylinder-engines/
http://classicinlines.com/HopUpYourSix.asp

I looked through these articles, and they seem very helpful. One is a wiki, one is a Mustang article with pictures of the mods, and one is kind like a diagram of the different levels of I6 upgrades. Hope this helps!
 

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