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who does cnc head porting ? #3041377
05/11/22 05:08 AM
05/11/22 05:08 AM
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qc
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mxbeep Offline OP
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I need a set of Stealth heads ported, Hughes no longer does CNC porting, i wished Dwayne Porter could do them but he as well no longer offers the service, however he was kind enough to recommend me to KG engines, which i have been trying to get a hold for the last few months without any answer or replys from them.

Anyone know of a machine shop who offers CNC porting aside from the 3 mentioned?

thanks in advance

Re: who does cnc head porting ? [Re: mxbeep] #3041386
05/11/22 06:11 AM
05/11/22 06:11 AM
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NW Indiana
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fbs63 Offline
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All the cnc head porters are backed up. That being said contact Scott Brown at buyracingparts.com. He has some great programs for Mopar heads.

Re: who does cnc head porting ? [Re: fbs63] #3041392
05/11/22 06:37 AM
05/11/22 06:37 AM
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Brisbane Australia
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572B1 Online content
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440 source has them in stock.

Re: who does cnc head porting ? [Re: fbs63] #3041399
05/11/22 07:03 AM
05/11/22 07:03 AM
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Portage,michigan
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Originally Posted by fbs63
All the cnc head porters are backed up. That being said contact Scott Brown at buyracingparts.com. He has some great programs for Mopar heads.


I think he uses Modern to do his stuff, or at least he used to.


69 Dart GTS A4 Silver All steel, flat factory hood, 3350 race weight
418 BPE factory replacement headed stroker
Best so far, 10.68 at 124.48
1.44 best 60 foot.
6.76 at 101.63 best 1 /8

Re: who does cnc head porting ? [Re: 572B1] #3041423
05/11/22 08:51 AM
05/11/22 08:51 AM
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GY3 Offline
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Originally Posted by 572B1
440 source has them in stock.


Interesting.

I wonder if they got their issues worked out with Modern?

Last edited by GY3; 05/11/22 08:52 AM.

'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: who does cnc head porting ? [Re: GY3] #3041436
05/11/22 09:52 AM
05/11/22 09:52 AM
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S.E. Michigan
ZIPPY Offline
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Originally Posted by GY3
Originally Posted by 572B1
440 source has them in stock.


Interesting.

I wonder if they got their issues worked out with Modern?


Last I heard, they were asking around for someone to go try to get their pallet of heads back.

I'd probably try KG if I were in the market.
https://www.facebook.com/profile.php?id=100057228979563



Rich H.





Re: who does cnc head porting ? [Re: ZIPPY] #3041454
05/11/22 11:05 AM
05/11/22 11:05 AM
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So. Burlington, Vt.
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fast68plymouth Offline
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My impression is that 440 Source has someone other than Modern doing the cnc work now.

I suspect a phone call would clarify that.

Also, in the recent overview on a cnc Stealth head by Eric Weingartner where you could see the chamber side of the head, the chamber wasn’t ported like when Modern did them, and it looked to me like the same valve job that comes on the unported heads.

https://m.youtube.com/watch?v=ti4RZOQrMvk


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: who does cnc head porting ? [Re: fbs63] #3041486
05/11/22 12:09 PM
05/11/22 12:09 PM
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On the parachute mount
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n20mstr Offline
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Originally Posted by fbs63
All the cnc head porters are backed up. That being said contact Scott Brown at buyracingparts.com. He has some great programs for Mopar heads.


X2 On Scott Brown, He will do a great job , but you have to remember the current state of supply is horrible. You may have to wait no matter who you use....as businesses are short not only on the supplies and materials they use, but it is getting harder to get quality workers...


....BAD A$$ STREET CAR.....
Re: who does cnc head porting ? [Re: n20mstr] #3041493
05/11/22 12:18 PM
05/11/22 12:18 PM
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Portage,michigan
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Originally Posted by n20mstr
Originally Posted by fbs63
All the cnc head porters are backed up. That being said contact Scott Brown at buyracingparts.com. He has some great programs for Mopar heads.


X2 On Scott Brown, He will do a great job , but you have to remember the current state of supply is horrible. You may have to wait no matter who you use....as businesses are short not only on the supplies and materials they use, but it is getting harder to get quality workers...


Like I said above, Scott doesn’t do porting, he sends it out. He used to use Modern to do the porting work he sold. Not sure currently who he uses, might still be Modern.


69 Dart GTS A4 Silver All steel, flat factory hood, 3350 race weight
418 BPE factory replacement headed stroker
Best so far, 10.68 at 124.48
1.44 best 60 foot.
6.76 at 101.63 best 1 /8

Re: who does cnc head porting ? [Re: fast68plymouth] #3041499
05/11/22 12:32 PM
05/11/22 12:32 PM
Joined: Dec 2021
Posts: 810
Loudoun County, VA
Brad_Haak Offline
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Loudoun County, VA
Originally Posted by fast68plymouth
My impression is that 440 Source has someone other than Modern doing the cnc work now.

I suspect a phone call would clarify that.

Also, in the recent overview on a cnc Stealth head by Eric Weingartner where you could see the chamber side of the head, the chamber wasn’t ported like when Modern did them, and it looked to me like the same valve job that comes on the unported heads.

https://m.youtube.com/watch?v=ti4RZOQrMvk

That's definitely not the same level of CNC and seat & valve work that the Stealths used to get from Modern. scope I didn't watch the entire vid to get the rest of EW's review.


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: who does cnc head porting ? [Re: fast68plymouth] #3041505
05/11/22 12:46 PM
05/11/22 12:46 PM
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Wichita
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GY3 Offline
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Originally Posted by fast68plymouth
My impression is that 440 Source has someone other than Modern doing the cnc work now.

I suspect a phone call would clarify that.

Also, in the recent overview on a cnc Stealth head by Eric Weingartner where you could see the chamber side of the head, the chamber wasn’t ported like when Modern did them, and it looked to me like the same valve job that comes on the unported heads.

https://m.youtube.com/watch?v=ti4RZOQrMvk


I really like Eric's Youtube channel. Very interesting stuff.


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: who does cnc head porting ? [Re: GY3] #3041506
05/11/22 12:54 PM
05/11/22 12:54 PM
Joined: Dec 2021
Posts: 810
Loudoun County, VA
Brad_Haak Offline
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Originally Posted by GY3
I really like Eric's Youtube channel. Very interesting stuff.

It would be nice if he figured out how to pronounce the brand of his own flow bench correctly. It's spelled S-a-e-n-z... pronounced "Sigh-enz" (it's a Spanish surname)... and he keeps calling it "San-yez." no


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: who does cnc head porting ? [Re: Brad_Haak] #3041510
05/11/22 01:00 PM
05/11/22 01:00 PM
Joined: Dec 2013
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Wichita
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GY3 Offline
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Originally Posted by Brad_Haak
Originally Posted by GY3
I really like Eric's Youtube channel. Very interesting stuff.

It would be nice if he figured out how to pronounce the brand of his own flow bench correctly. It's spelled S-a-e-n-z... pronounced "Sigh-enz" (it's a Spanish surname)... and he keeps calling it "San-yez." no


He's an Okie so he gets a pass. grin


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: who does cnc head porting ? [Re: GY3] #3041530
05/11/22 02:03 PM
05/11/22 02:03 PM
Joined: Jan 2003
Posts: 14,171
So. Burlington, Vt.
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fast68plymouth Offline
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If one of the new version cnc’d Stealths finds its way to my shop I’ll take some measurements to compare to the MCH cnc’d Stealth I checked out a few years ago.

My “expectation” is that I’d see a higher flow number on my bench than Eric saw on his.
I think it was 286@.800” on his bench, which seems pretty soft for a fully ported head.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: who does cnc head porting ? [Re: GY3] #3041559
05/11/22 03:21 PM
05/11/22 03:21 PM
Joined: Dec 2021
Posts: 810
Loudoun County, VA
Brad_Haak Offline
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Brad_Haak  Offline
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Loudoun County, VA
Originally Posted by GY3
Originally Posted by Brad_Haak
Originally Posted by GY3
I really like Eric's Youtube channel. Very interesting stuff.

It would be nice if he figured out how to pronounce the brand of his own flow bench correctly. It's spelled S-a-e-n-z... pronounced "Sigh-enz" (it's a Spanish surname)... and he keeps calling it "San-yez." no


He's an Okie so he gets a pass. grin

Chad Speier mispronounces it the same as Eric W. Chad is from Kansas... what's his excuse? laugh2


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: who does cnc head porting ? [Re: Brad_Haak] #3041571
05/11/22 04:04 PM
05/11/22 04:04 PM
Joined: Dec 2013
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Wichita
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GY3 Offline
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Originally Posted by Brad_Haak
Originally Posted by GY3
Originally Posted by Brad_Haak
Originally Posted by GY3
I really like Eric's Youtube channel. Very interesting stuff.

It would be nice if he figured out how to pronounce the brand of his own flow bench correctly. It's spelled S-a-e-n-z... pronounced "Sigh-enz" (it's a Spanish surname)... and he keeps calling it "San-yez." no


He's an Okie so he gets a pass. grin

Chad Speier mispronounces it the same as Eric W. Chad is from Kansas... what's his excuse? laugh2


Maybe they're related? shruggy


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: who does cnc head porting ? [Re: GY3] #3041587
05/11/22 04:53 PM
05/11/22 04:53 PM
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napa ca
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procharged 484 Offline
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I have access to a new haas 4 axis machine . Will that cnc heads or does it have to be 5 axis

Re: who does cnc head porting ? [Re: procharged 484] #3041597
05/11/22 05:52 PM
05/11/22 05:52 PM
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Pattison Texas
csk Offline
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Originally Posted by procharged 484
I have access to a new haas 4 axis machine . Will that cnc heads or does it have to be 5 axis


Not sure about 4 or 5 axis needed, but the other issue is a good program for the 440 source heads


1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392

Re: who does cnc head porting ? [Re: csk] #3041601
05/11/22 06:02 PM
05/11/22 06:02 PM
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Some people think you just bolt a head down and flip the power on. Instant cnc’d head. Good luck with that.


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: who does cnc head porting ? [Re: procharged 484] #3041605
05/11/22 06:24 PM
05/11/22 06:24 PM
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Melbourne , Australia
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Originally Posted by procharged 484
I have access to a new haas 4 axis machine . Will that cnc heads or does it have to be 5 axis


It's not going to be able to access the entire port without the 5th axis.


Alan Jones
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