[Spridgets] Jag engine!

[Matt Hagopian]

I don't believe they are sleeved, they are extremely heavy castings..  
There is a LOT of room as they use the same block for a 4.2 L as a  
3.8.. Our 4.2 is bored .040 over with no sleeves and running 12:1  
pistons. The engines are beautiful especially with tripple webers on  
there!! Oh I forgot to add before.. The 4.2L is perfectly balanced  
with a 50/50 weight distribution. Inline 6's are supposed to be the  
second most balanced motor to the boxer 4, however jags come with a  
heavy duty harmonic balancer

Sincerely,

Matt Hagopian

On Apr 11, 2010, at 10:53 PM, jjj at acsnet.com wrote:

> I think I agree with David. The Jag 6 is a gorgeous engine and  
> tough--I
> believe the cylinders are sleeved as are the crank seal joural's.
>  As to the inherant balance, I'm not so sure. If my memory serves me
> correctly, and it does'nt always anymore, the privateer that won the C
> prod championship against the Datsun factory team the last year the 6
> cyl E type could run, made the engine live by fitting a 454 chev
> harmonic balancer. The jag factory had given up on keeping the  
> cranks in
> them.
> I believe the only engines that don't require balancing are flat  
> engine's
>
>  Kurt.
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