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Multi cylinder engines

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comp75

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When do you think someone will come out with a multicylinder car/truck engine like the some of the planes. Since we are seeing more and more twin engine cars/trucks factory built I think it will just be a matter of time. What do you guys think? :cheers:
 
Probably as soon as they can find out how to keep a single cylinder engine tuned and cool.

It would be totaly tit's to have a v-twin on my savage though...
 
Anyone see the Reader's rides in RCCA or RCN.. forgot which one, but some guy built a 4 cylinder engine with 4 carbs and all... it was on a mad force chassis... pretty interesting.
 
.21Rc10GT said:
Anyone see the Reader's rides in RCCA or RCN.. forgot which one, but some guy built a 4 cylinder engine with 4 carbs and all... it was on a mad force chassis... pretty interesting.
Click to expand...

I can't imagine why in the right mind a person would put 4 carbs on a custom built engine. Wouldn't it make more sense to design an intake manifold and just use a larger carb?
(this from a person who has 4 fuel tanks on 1 truck, lol)

First problem I could see with a multi-cylinder engine (assuming we're talking 2 strokers) is keeping all pistons at BDC after it's run. maybe if you could possibly design a crankcase that had some sort of "oil pan style" bottom that you could remove to disconnect the connecting rods from the crankshaft, so you could pull all pistons to BDC for cool down. Although that would be extremely inefficient w/o a fast way to disconnect everything... (mild torque drill maybe?)
 
Yeah, but if you think about it, you couldnt disconnect the con rods without taking the whole engine apart. I don't know why he didnt machine an intake manifold as well. Just put one big carb on top and go.
 
You sure it was a 4 cylinder engine or 4 single cylinder engines?

I know motorcycles (some) run a carb for each cylinder. When I was about 10, my older brother had a honda that was a 4 cylinder and it had 4 carbs. I do remember him complaining when he took it in for a tune up and carb boil (let it sit with fuel in the tank over the winter) that it was really expensive to get it running right.
 
.21Rc10GT said:
Yeah, but if you think about it, you couldnt disconnect the con rods without taking the whole engine apart. I don't know why he didnt machine an intake manifold as well. Just put one big carb on top and go.
Click to expand...

exactly. It would totally inefficient. Now maybe if we're talkin about some serious high speed racing then maybe. Unfortunatley I don't think there is a market for extremely high HP multi cylinder engines. Unless somebody starts a sort of NASCAR or F1 racing series of super high peformance cars.
 

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