Re: [DML] Turbos - bad wrap. What's UP!!

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Actually I didn't say that in my original mail - I was listing a 
difference that Renault made. However, I have had an answer from a 
Renault guy who pointed out that as long as you've got mass-air-flow 
sensing of some sort (which K-Jet basically is) and continuous 
injection, like a carb, then odd-firing isn't a problem for a turbo. It 
all comes down to the metering of the fuel. Also for a higher 
performance engine, the counterweights on the crank shaft are 
detrimental to performance. Going even-fire allows the pistons to 
balance each-other

Remember the PRV was originally meant to be a V8. 90 degree V6's are 
rare because they have to be odd-fire in order to run smoothly. Renault 
got around this on the even-fire lumps by adding an eccentric weight to 
the camshafts

Martin

Dick Ryan wrote:

>One thing I do not understand is the constant refernce
>to  turbos not being "odd-fire" friendly.  Man, have
>you ever ridden in a Buick Grand National?  Now
>there's a turbocharged odd-fire V-6 engine that
>screams.  Though I'm certainly not an expert, the
>owners I have known have not had bad things to say
>about them.
>  
>





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