I have a 1992 Volvo 740 (non turbo) stationwagon and I have no idea if it's a v4 or v6!! I have read nearly the entire manual, I have searched numerous times online. The only thing I can find is that some 740's are v4 and some are v6. I don't know how to tell which mine is. Can anyone please help me? Should I just look around for cylinders in a v, and count?

 

first. dont feel like a moron.

second. these aren't v4 motors. They are inline 4 motors.

Third, yours is going to be a 2.3l 4 cylinder motor.

 

the 760's and 780's came with either a 2.8L V6 or a 2.3L I4 (turbo), but the 740's were always the 2.3L I4 with or without turbocharging.

a V4 is a rather rare engine design, the only one I can think of are early Saab's and Ford Capri's.

 

Hey...don't forget Johnson and Evinrude!

 

yeah, ok. outboards are another beast entirely.

 

Well heck, SAAB's...outboards...pretty much all the same!!

 

I thought Saabs were aeroplanes?

 

97% of the people viewing this thread are glad you asked this question because they won't, so yeah, you are not a moron for asking.

 

If you look under the hood (and assuming the car isn't some modern thing with plastic junk hiding the actual engine), you would see 2 heads & valve covers on a V engine and one on a inline. you would see 4 spark plugs and their wires on a 4 cylinder, and 6 on a 6 cylinder. if it was a V6, there would be 3 on each side. you'd also see 4 ports on the intake manifold of that 4 cylinder, and 6 on the 6 cylinder, ditto exhaust headers, the inline 4 would have 4 in a row on one side of the engine, while the V6 would have 3 on each side.



[of course, there are always exceptions to every rule.... Subaru and old Volkswagens use 'flat' or 'opposed' motors where there are two heads but they are directly opposite rather than in a 'V' configuration.... VW/Audi also had a VR6 engine which was sort of in between an inline and a V design... and there's a few other exotic designs]

 

I thought saabs were boat anchors

I never could trust a car company that took several years to realize, that they were putting the engines in backwards!

 

hey, the Saab 900 coupes were pretty neat cars. we almost bought a 900S circa 1986-87 (but got a 240GL instead.... my wife, who has very short legs but a long torso, feltt he windshield on the saab was claustrophobically close...).

 

BTW Ford Capris NEVER had a V4... L4 or V6 only, later the uS version, V8.

 

Never Lev?
Obsolete Engines 101: The Mythical “V4″