Re: Poly 318 engine specifics (Was Re: NO SUBJECT)
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Re: Poly 318 engine specifics (Was Re: NO SUBJECT)



>>I'm putting a subject description on this discussion thread to keep better track on the topic.
 
2 More: 

>>My heads were re-done with 1.95 intake, and 1.625 exhaust valves. Waiting for my flow numbers.
Bill M

>>I just ported a set and they had 11/32 valves they didn't make any difference in flow. Didn't try 5/16 yet.
Bruce Toth


>  -------Original Message-------
 
>  I'm putting a subject description on this discussion thread to keep better track on the topic.
>  
>  Thanks,
>  Gary H.
>  '62-'65 Admin.
>  
>  
>  >  -------Original Message-------
>  >  From: tothperformance
>  >  
>  >  We have 1.94 and 2.02 intake and 1.60 exhaust stainless valves available.
>  >  They are 3/8 stem 45 degree seats.
>  >  
>  >  
>  >  --------------------
>  >  
>  >  FROM: "'Stan Kafouse'  
>  >  
>  >  
>  >  What size valve do these engines run? Has anyone tried a 11/32 stem or 5/16
>  >  stem valve or a 30 degree seat?
>  >  
>  >  
>  >  On Thursday, January 8, 2015 4:50 PM, "tothperformance  wrote:
>  >  
>  >  
>  >  The heads flow 254 cfm at this point I feel be close to 270 cfm when we are
>  >  done with the R&D. Roller cams are a custom order. However we have new flat
>  >  tappet solid cams available for $299.00, New lifters are $129.00.
>  >  
>  >  Bruce Toth
>  
>  
>  >>'Stan Kafouse'
>  What do they flow at 300? They flow 260ish at what lift? So these engines will only make the power 260ish will allow.   what about torque?  So no matter what, naturally aspirated these engines are flow limited  to around 400 or so hp? Just trying to educate myself on these engines. Thanks
>  
>  >> 'Stan Kafouse'
>  Just out of curiosity what size are these poly engines (motors are electrical devices) being built?  How much torque is made and what do the heads flow when ported?  Can you get an off the shelf roller cam or is that a custom deal?  There are a lot of poly engines in my area (southern ga.) if anyone is in need of one.
>  

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