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I guess that is a Chevy 250 then? The induction and exhaust are on the driver side of the head it looks like? Can't make out anything on that side but what looks to be a regulator, and a PCV breather.
I'd burn him.
Him and all of his N/A Chevy six bangin junk...
And while trying to find that out, I found this information,..(Cut out of a "How to build an inline Chevy 6 Cylinder,...amended for 2017)
Who knew?
Some things to consider
Building a straight 6 250 is not any harder to do than any other inline 6, be it a Ford or Chevy, GMC, etc. Parts aren't as common for the inline 250 as they are for a SBC, but there is info and quite a few suppliers for parts, as well as places that cater to almost nothing but the Chevy inline 6 engines.
The inline 6 Chevy 250 should not be compared to a SBC engine. Besides the obvious differences, they share practically no parts w/the V8 engines (save for the oil filter (AC Delco PF25 or equivalent) and some of the valvetrain (the rocker arms do not interchange with the Chevrolet V8 (all series). Because of this fact expect it to cost more per horsepower than a Chevy V8. The reward is this is not a "belly button" engine; instead it is considered "old school" and has cred because of what it isn't as much as for what it is.
To the right person, building a 250 Chevy 6 can be just as rewarding as any other engine, and if parts are selected in a coordinated manner and the engine used in a way that accentuates its strong suits- like dependability and good lower RPM torque production for its size- a very satisfying result can be had.
It's a fool's mission to build a NA inline 6 like the Chevy 250 expecting to run amok on all the SBC and SBFs out there. Not only will the results be very humbling, but the amount of money that would need to be spent in order to go toe-to-toe with a SBC 350 will break most people's budget all to hell.
Given enough time, effort and cash, an inline Chevy 6 can make >/= 2 HP/ci naturally aspirated and far more than that using a turbocharger. Superchargers can also be used, but the turbo is the preference of many who are going for boost.
Who knew?
Some things to consider
Building a straight 6 250 is not any harder to do than any other inline 6, be it a Ford or Chevy, GMC, etc. Parts aren't as common for the inline 250 as they are for a SBC, but there is info and quite a few suppliers for parts, as well as places that cater to almost nothing but the Chevy inline 6 engines.
The inline 6 Chevy 250 should not be compared to a SBC engine. Besides the obvious differences, they share practically no parts w/the V8 engines (save for the oil filter (AC Delco PF25 or equivalent) and some of the valvetrain (the rocker arms do not interchange with the Chevrolet V8 (all series). Because of this fact expect it to cost more per horsepower than a Chevy V8. The reward is this is not a "belly button" engine; instead it is considered "old school" and has cred because of what it isn't as much as for what it is.
To the right person, building a 250 Chevy 6 can be just as rewarding as any other engine, and if parts are selected in a coordinated manner and the engine used in a way that accentuates its strong suits- like dependability and good lower RPM torque production for its size- a very satisfying result can be had.
It's a fool's mission to build a NA inline 6 like the Chevy 250 expecting to run amok on all the SBC and SBFs out there. Not only will the results be very humbling, but the amount of money that would need to be spent in order to go toe-to-toe with a SBC 350 will break most people's budget all to hell.
So instead of trying to beat the world, it may be much more satisfying to build a Chevy 250 to make around 0.8-1 HP/cid (~200-250 HP), and revel in the uniqueness of it and enjoy as torquey, strong running engine that has a sound and look all of its own.
Given enough time, effort and cash, an inline Chevy 6 can make >/= 2 HP/ci naturally aspirated and far more than that using a turbocharger. Superchargers can also be used, but the turbo is the preference of many who are going for boost.
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