What happens if you keep number of cylinders constant but increse displacement?

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joesmoke

Diamond Member
Nov 2, 2007
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a friend of mine had one of those bare-bones f150 work trucks (07 or 08) with i think a 4.3 v6 in it. it only had like 200/240 hp/tq but it seemed quite smooth on the few occasions he revved it out.
 

thedarkwolf

Diamond Member
Oct 13, 1999
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And ford made 300ci 4.9l straight 6 gas engine for trucks up till around 94. It revved and made HP/Tq like a diesel but without the diesel's fuel mileage.
 

angry hampster

Diamond Member
Dec 15, 2007
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www.lexaphoto.com
BTW, since an I6 is balanced you can make a huge one without creating a lot of vibration. There are a lot of big diesel I6 truck engines

Is 6.7L big enough for you?
http://www.allpar.com/mopar/cummins-diesel.html

big-cummins.jpg


15 liters, inline 6
ISX15_2010.jpg



Cummins ISX15. 2050lb-ft of torque.
 

SooperDave

Senior member
Nov 18, 2009
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Chevy produced a 4.3L V6 for many years. Had around 190hp and close to 240ft/lb torque in some of the later variants. It wasn't really anything more than a sawed of 5.7L V8. If they hacked two cylinders off the LS7 we could have a 5.3L V6 LOL

I had a 94 non Vortec in a half ton longbed. No vibration issues and ran like a top. The only complaint was the mileage/power. I got the power of a V6 and the mileage of an V8 (well, close to it). It was not worth it. I would research heavily before buying another full size with a V6. Engines have come a long way so it's not out of the question.