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How is Koeffels machine work on B1 heads #1373698 01/21/13 06:07 PM 01/21/13 06:07 PM
Joined: Dec 2012 Posts: 1,823 Wind Gap,Pa. S Sammy OP top fuel
Sammy OP top fuel S Joined: Dec 2012 Posts: 1,823 Wind Gap,Pa.	I'm Looking to get a set of B1 heads machined. How is Koeffels work? Does he have CNC machining for port work?

Re: How is Koeffels machine work on B1 heads [Re: Sammy] #1373699 01/21/13 07:02 PM 01/21/13 07:02 PM
Joined: May 2011 Posts: 4,489 northern,Ohio,USA C Clanton master
Clanton master C Joined: May 2011 Posts: 4,489 northern,Ohio,USA	I know his hand porting is realy good but no CNC that I know of.What heads do you want done? GOTBOOST!New improved with Victor heads. http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/

Re: How is Koeffels machine work on B1 heads [Re: Sammy] #1373700 01/21/13 07:57 PM 01/21/13 07:57 PM
Joined: Jan 2007 Posts: 345 iowa wesw enthusiast
wesw enthusiast Joined: Jan 2007 Posts: 345 iowa	i would go with tom himphill, best machine or muscle motors before i would let koffels do them. i had a set done by them that didn't make it out of the burn out box. dropped a valve and i had to buy a another head to replace it. all of it was new. 598 ci predator

Re: How is Koeffels machine work on B1 heads [Re: wesw] #1373701 01/21/13 08:06 PM 01/21/13 08:06 PM
Joined: Jun 2004 Posts: 294 Memphis TN B B1HEAD_USER enthusiast
B1HEAD_USER enthusiast B Joined: Jun 2004 Posts: 294 Memphis TN	Tom did mine back in the mid 90's still going. I think he may have a cnc machine now. Give him a call. Hemphill racing engines

Re: How is Koeffels machine work on B1 heads [Re: B1HEAD_USER] #1373702 01/21/13 08:22 PM 01/21/13 08:22 PM
Joined: Apr 2005 Posts: 2,128 Salt Lake City C camastomcat top fuel
camastomcat top fuel C Joined: Apr 2005 Posts: 2,128 Salt Lake City	Quote: Tom did mine back in the mid 90's still going. I think he may have a cnc machine now. Give him a call. Hemphill racing engines Tom is very good, but expensive!

Re: How is Koeffels machine work on B1 heads [Re: camastomcat] #1373703 01/21/13 08:25 PM 01/21/13 08:25 PM
Joined: Oct 2007 Posts: 3,978 Hilltown Pa 1967dartgt master
1967dartgt master Joined: Oct 2007 Posts: 3,978 Hilltown Pa	Web site said 1650 for cnc b1s. Not to bad as far as cnc price. Brett Miller W9 cnc'd heads STR Chassis fabraction

Re: How is Koeffels machine work on B1 heads [Re: 1967dartgt] #1373704 01/21/13 08:34 PM 01/21/13 08:34 PM
Joined: Feb 2007 Posts: 6,295 U.S. M moparniac master
moparniac master M Joined: Feb 2007 Posts: 6,295 U.S.	$1650 for a Cnc job? Yea ok..... Mopar Performance

Re: How is Koeffels machine work on B1 heads [Re: moparniac] #1373705 01/21/13 09:37 PM 01/21/13 09:37 PM
Joined: Oct 2007 Posts: 3,978 Hilltown Pa 1967dartgt master
1967dartgt master Joined: Oct 2007 Posts: 3,978 Hilltown Pa	Quote: $1650 for a Cnc job? Yea ok..... So what is a fair price for a cnc job? Hand develop a intake and exhaust port digitize the port. A lot of work. Last edited by 1967DartGT; 01/21/13 09:40 PM. Brett Miller W9 cnc'd heads STR Chassis fabraction

Re: How is Koeffels machine work on B1 heads [Re: 1967dartgt] #1373706 01/21/13 10:23 PM 01/21/13 10:23 PM
Joined: Jul 2003 Posts: 977 Colorado 5 506RR super stock
506RR super stock 5 Joined: Jul 2003 Posts: 977 Colorado	Jeff at Modern Cylinder Head is CNC'ing my B1 Originals. Call him or email for pricing, but it is quite a bit less than $1600.

Re: How is Koeffels machine work on B1 heads [Re: 506RR] #1373707 01/22/13 12:31 AM 01/22/13 12:31 AM
Joined: Jan 2003 Posts: 5,485 SoCal Brian Hafliger master
Brian Hafliger master Joined: Jan 2003 Posts: 5,485 SoCal	Quote: Jeff at Modern Cylinder Head is CNC'ing my B1 Originals. Call him or email for pricing, but it is quite a bit less than $1600. He has a nice program! Brian Hafliger

Re: How is Koeffels machine work on B1 heads [Re: Sammy] #1373708 01/22/13 01:05 AM 01/22/13 01:05 AM
Joined: Aug 2003 Posts: 43,172 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,172 Bend,OR USA	I bought a complete top end kit from Koffels several years back, I had them port them, there flow sheets said 420 CFM at .600 lift, 430 at .700 and above to .900 and no stalling. I haven't used them yet so no other input besides that. I have had Jeff at MCH do three different types of heads on his CNC programs, two sets of 440-1, one set of B1-BS and one set of Eddy RPMs, all of those motors made really good power on the dyno and in the car Big air, big power Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: How is Koeffels machine work on B1 heads [Re: camastomcat] #1373709 01/22/13 02:14 AM 01/22/13 02:14 AM
Joined: Mar 2004 Posts: 781 MD HEMI472 super stock
HEMI472 super stock Joined: Mar 2004 Posts: 781 MD	Quote: Quote: Tom did mine back in the mid 90's still going. I think he may have a cnc machine now. Give him a call. Hemphill racing engines Tom is very good, but expensive! yes tom is only there to make money not to try and help people. I would go to koffels atleast scott will help you if you need it Last edited by HEMI472; 01/22/13 02:48 AM.

Re: How is Koeffels machine work on B1 heads [Re: Sammy] #1373710 01/23/13 01:36 AM 01/23/13 01:36 AM
Joined: Jan 2011 Posts: 511 florida dade C cesar perez mopar
cesar perez mopar C Joined: Jan 2011 Posts: 511 florida dade	all those guys that are mentined are a ripeoff go to race junk on the heads section he charges 13oo for cnc - valve job-seats- guides and flo # 425 cfm

Re: How is Koeffels machine work on B1 heads [Re: Sammy] #1373711 01/23/13 02:12 AM 01/23/13 02:12 AM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	I bought a set of B1 M/c heads then had Modern do the CNC work on them.... was $750 in a group thing to have the CNC work done ... that was a few years ago

Re: How is Koeffels machine work on B1 heads [Re: wesw] #1373712 01/24/13 08:28 PM 01/24/13 08:28 PM
Joined: Mar 2008 Posts: 659 Tampa Fl K kens avenger mopar addict
kens avenger mopar addict K Joined: Mar 2008 Posts: 659 Tampa Fl	Quote: i would go with tom himphill, best machine or muscle motors before i would let koffels do them. i had a set done by them that didn't make it out of the burn out box. dropped a valve and i had to buy a another head to replace it. all of it was new. Hey wes.. I'm gonna be nice.. i've bashed him to much... A smart man wouldn't even go there Remember in here some don't think you should have a Opinion.. sad fact..

Re: How is Koeffels machine work on B1 heads [Re: kens avenger] #1373713 01/24/13 09:34 PM 01/24/13 09:34 PM
Joined: Jul 2005 Posts: 1,162 s e mich ro23car super stock
ro23car super stock Joined: Jul 2005 Posts: 1,162 s e mich	Quote: Quote: i would go with tom himphill, best machine or muscle motors before i would let koffels do them. i had a set done by them that didn't make it out of the burn out box. dropped a valve and i had to buy a another head to replace it. all of it was new. Hey wes.. I'm gonna be nice.. i've bashed him to much... A smart man wouldn't even go there hey cowboy how ya been?

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