Does anyone do CNC porting on 318 Poly heads? I have a friend in Ohio looking for someone that does them.
Thanks in advance,
Tom
Thanks in advance,
Tom
CNC Ported Heads for 318 Poly?
- Thread starter PROSTOCKTOM
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Tom, if anyone would know, it would be Gary Pavlovich. The email for him is listed as [email protected] on this site: Building a Polyspherical (Poly or Polyhead) 318 Mopar Race Motor
That would be a good place to start.
This guy is somewhat local and is really into those poly engines. He bounced me because our political views differ but I’m pretty sure all he offers is hand porting. Not that there is anything wrong with that.
Toth is very good from what I have read.
Pavlovic is top notch.
No one casts Poly heads that I have seen so no CNC but this thread may shed some light on your question. @PROSTOCKTOM
CNC Ported 318 Poly Heads
I am working with a race engine builder on a 394 stroker poly. We spent some serious time (and money) porting the head till we felt we came up with good flow #'s without getting too aggressive. Then the ports were digitized and programed into the CNC machine and heads ported from that program...
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You sure it wasn't because you like Turtles?
Honestly I’m not sure but I’m pretty sure he’s a trump hater.
He stopped by here and saw your taste in Walmart women and he turned and ran the other way.
He stopped by here and saw your taste in Walmart women and he turned and ran the other way.
MOPAROFFICIAL
Oogliboogli
If he is a left winger fk hed, then no one should give him a penny. Send him spam and burning bags of dog ****!
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4eighteener
Well-Known Member
I would like for him to use Charlie S for porting so I can watch and see the results on his YouTube channel
JDMopar
Well-Known Member
Either that....or John posted a Wal Mart pic of the dudes girlfriend!He stopped by here and saw your taste in Walmart women and he turned and ran the other way.
Mmmmmmm, turtle soup.............
There is/was a fella on the B body site that went to town on porting the poly head on his build. Sorry I can’t remember his name. He was doing unusual stuff for his build. Custom domed pistons etc…
I hang out with Charlie Servedio in which you can copy and paste into the YouTube search bar to find him. When he ports a head for the first time (AKA a strange to him head) he sonic checks the head before grinding as to not break through.
He likes to say he likes a thick wall so it will not have issues in the future. IIRC, his number is .100 for thickness. But, it is better to speak with him on this.
So I found a thread on, For B-Bodies Only where a guy did in fact offer CNC porting on 318 Poly heads.
CNC Ported 318 Poly Heads
Tom
CNC Ported 318 Poly Heads
Tom
That’s the guy!
That’s cheap. Get in line. Lol
PRH
Well-Known Member
At $2800 + parts and shipping……….. in 2013 dollars……. I wonder how many takers there were for that?
Look up Bruce Toth
Or Toth Performance
he is Very familiar with the poly platform and he does custom porting and sales alum heads for Mopar RB & LA applications.
11/32 int/exh
.10 75/63
.20 158/105
.30 218/130
.40 241/171
.50 250/192
.55 256/198
.60 260/201
.65 264/205
5/16 int/exh
.10 79/67
.20 162/109
.30 222/134
.40 245/175
.50 254/196
.55 260/202
.60 264/205
.65 268/209
5/16 with valve work int/exh
.10 72/67
.20 141/104
.30 211/133
.40 248/175
.50 263/198
.60 266/211
.70 271/217
I guess you gotta really love those heads to pay that much money for those numbers.
pink340swinger
Well-Known Member
Those flow numbers are with 1.94" intake and 1.625" exhaust valves at 28", easily 500+ hp with good parts and quality machining, especially with the combustion chamber designed the way it was. Those heads were decades ahead of their time, SB2 heads and most Nascar heads were copied from them in some way/form not that long ago. It's a shame they never caught on as a performance head.
abdywgn
dismantler
don't forget the 351 Cleveland and it's variants
There was a stroked 318 Poly in an EMC entry that made 580 HP. Spending massive money for 271 cfm isn't my cup of tea, but for some its interesting to have something different.
Personally I am more interested in the 471 cfm and above stuff, but I can appreciate the dedication spent on all variations in the engine world.
Tom
Personally I am more interested in the 471 cfm and above stuff, but I can appreciate the dedication spent on all variations in the engine world.
Tom
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