Porting Heads

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pete walton
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Porting Heads

Post by pete walton »

few hours work and they are ready for the machine shop .....thanks to Blue for the porting templates ..Will they work ???who knows .....i am going to try and measure the inlet runners for the volume to see if they are all even .....new valves coming this week then of for a valve job ...pictures in no particular order
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Blue
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Re: Porting Heads

Post by Blue »

Yes they will work, you have taken out the restriction under the valve basically.
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pete walton
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Re: Porting Heads

Post by pete walton »

Got my heads back today from AMS ,valve seats all done ,slight clean up on the face ,porting finished up a bit better than my finish ...All said and done not as expensive as i thought and well pleased with the result ....will they work ???
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Pete
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Re: Porting Heads

Post by Pete »

Another step forward, Pete.
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Captain Chaos
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Re: Porting Heads

Post by Captain Chaos »

It’ll be interesting to see the results👍
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RobTwin
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Re: Porting Heads

Post by RobTwin »

What compression ratio are you going for Pete?
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Blue
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Re: Porting Heads

Post by Blue »

I’d block the heat riser as well if I was me…
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pete walton
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Re: Porting Heads

Post by pete walton »

I have ordered a set of stock replacement Molnar rods and a set of Diamond lightweight racing pistons ,not sure what the final comp ratio will be as the block is being decked and honed as we speak but it should come out somewhere around 12.1 ....Block is being honed ,decked ,1/2 inch oil pick up fitted along with studs for the main caps .So pretty basic upgrades for a stock engine .....cam is a bit up in the air at the moment as i plan on getting one ground by Hughs
Last edited by pete walton on Tue Jun 29, 21 8:23 pm, edited 1 time in total.
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Pete
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Re: Porting Heads

Post by Pete »

Are you going to run C12, or 99 octane with a splash of Race gas?
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Re: Porting Heads

Post by mopar_mark »

Blue wrote: Tue Jun 29, 21 5:57 pm I’d block the heat riser as well if I was me…
Having never personally blocked off a Heat riser, although I understand the benefits, how do they block them off ?

Do they fill with an epoxy or something else ?
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Blue
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Re: Porting Heads

Post by Blue »

Epoxy if you’re posh or melt an old piston down and pour that in if not….
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MattH
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Re: Porting Heads

Post by MattH »

Is that harder valve seat inserts installed there?

Is that best policy with no lead, even on US engines where they went lead free alot earlier than Europe?
I assumed the seats were hardened as standard or is that only 72 on?
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Blue
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Re: Porting Heads

Post by Blue »

Valve seat recession with unleaded fuel hasn't proved to be a problem with the limited mileage we do in these old cars Matt.
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Re: Porting Heads

Post by Derek »

It's a filthy job to do but worth it in the end.
Are we there yet dad ..... 10 to the gallon but worth it.

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Re: Porting Heads

Post by mopar_mark »

Blue wrote: Tue Jun 29, 21 10:32 pm Epoxy if you’re posh or melt an old piston down and pour that in if not….
:thumbright: :D :D :D
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