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#1063503 - 09/10/19 05:19 PM Aluminum head repair  
Joined: Mar 2012
Posts: 747
MC96 Offline
Member
MC96  Offline
Member

Joined: Mar 2012
Posts: 747
St. Johns MI
So I picked up a set of Dart heads from a friend of mine.

They were on a dirt mod, the engine lost water and he didnt pull off, cooked it.

It dropped two intake seats in one head, it must not have spun many times after it did because it didnt chew the combustion chamber up too bad. The other one might be good to go pending a check up.

They need to be
-Cleaned
-Checked for straightness
-Possibly decked
-Bowl work on the one, which probably includes welding
-2 New seats
-Tested for cracks

So I guess I'm looking for a recommendation on somewhere in Michigan/Indiana/Ohio/Illinois that can do all of that. I've emailed a few places including Dart themselves but havent gotten a reply.

Based on whats cast into them, they are somewhere between 1900-2200 a piece new, plus they came with a set of Ti valves that are $2000+ new

Gotta brag that I only have $150 into them so far.


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1063504 - 09/10/19 05:47 PM Re: Aluminum head repair [Re: MC96]  
Joined: Jun 2006
Posts: 1,701
Travis Jones Offline
10+ Year
Travis Jones  Offline
10+ Year
Member

Joined: Jun 2006
Posts: 1,701
Ferndale, MI
Id give livernois a call


86 SS 6.0L LQ4, TBSS GEN IV intake, 92mm TB, 30lb injectors, Summit Stage 3 NA Cam, Stainless long tube headers, Stainless 3in exhaust, Microsquirt ECU, FABbot AR5 5-speed, Torsen LSD, QA1 Lvl 3 Suspension Kit, UMI Front & Rear Braces. Check out my build blog on Summit Racing's OnAll Cylinders https://www.onallcylinders.com/author/travis-jones/
#1063506 - 09/10/19 07:31 PM Re: Aluminum head repair [Re: MC96]  
Joined: Mar 2012
Posts: 747
MC96 Offline
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MC96  Offline
Member

Joined: Mar 2012
Posts: 747
St. Johns MI
I completely forgot about them, and Katech. I also forgot about Rhyne in Gary who does engine work for my buddy Jacob Poel.

Got some calls to make.


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1063508 - 09/11/19 12:41 AM Re: Aluminum head repair [Re: MC96]  
Joined: Feb 2008
Posts: 751
AkronAero Offline
10+ Year
AkronAero  Offline
10+ Year
Member

Joined: Feb 2008
Posts: 751
Akron OH
Mike McKinney, who built an awesome ProTouring gen IV with his son is the General Manager at Rhyne. Lots of good info in any case...
He's doing work for me. Tell him I/we recommended you call him. Contact info:

Mike McKinney, General Manager
Rhyne Competition Engines
Office (219) 845-1218 or 6606
Fax (219) 845-3012
raceengine@comcast.net
www.rhynecompetitionengines.com

Gordon

#1063513 - 09/11/19 11:21 AM Re: Aluminum head repair [Re: MC96]  
Joined: Mar 2012
Posts: 747
MC96 Offline
Member
MC96  Offline
Member

Joined: Mar 2012
Posts: 747
St. Johns MI
Yeah Ive met Mike a few times and Matt Rhyne.

That reminds me I forgot to message them yesterday.


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1063516 - 09/12/19 02:34 AM Re: Aluminum head repair [Re: MC96]  
Joined: Mar 2012
Posts: 747
MC96 Offline
Member
MC96  Offline
Member

Joined: Mar 2012
Posts: 747
St. Johns MI
I talked to Matt Rhyne today, as well as Dart, Mullins, Motor Mission Machine, and a two local guys on recommendation although I dont think people realize the processes are quite a bit different between cast iron heads and aluminum. Im going to call HVH too, I think they did the CNC work

Only got a price out of Dart (~$1300 ouch), and a ballpark from Motor Mission ($5-600). They all agreed that they need to be brinell tested first. Matt says that if they have been softened they will continue to drop seats. Now, I'm going to flip them anyways but I still wouldn't do that to anyone. Chad Mullins said anything below the original spec of 90-115 is a crapshoot at best.

If they werent worth so much / a special alloy I would do the welding myself. I even entertained getting or making an R8 holder fly cutter to deck them myself as well but I will probably just leave it to the experts.

http://www.dartheads.com/wp-content/uploads/2016/01/Dart-C355-T61-V2.pdf

I met a guy in a bar in April, now Im his crew guy on a UMP modified. Hes an engineer with access to a rockwell tester so I volunteered him to check the hardness, then it will be converted to Brinell. I guess I'll keep my fingers crossed.


Last edited by MC96; 09/12/19 02:54 AM.

86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1063517 - 09/12/19 02:34 AM Re: Aluminum head repair [Re: MC96]  
Joined: Jan 2000
Posts: 4,422
mmc427ss Offline
15+ Year
mmc427ss  Offline
15+ Year
Member

Joined: Jan 2000
Posts: 4,422
Pottstown, Pa
The NMCOA convention was in Greensburg, Pa many, many moons ago, Mike and his sweet Aero were there. Nice guy, very nice car.
His old link to his car is gone now, just this.
https://www.protouraero.com/home

Mike is a member here, it's been a few years since he posted anything. But that's true of a thousand other people.
Bob

#1063519 - 09/12/19 06:06 PM Re: Aluminum head repair [Re: MC96]  
Joined: Mar 2012
Posts: 747
MC96 Offline
Member
MC96  Offline
Member

Joined: Mar 2012
Posts: 747
St. Johns MI
When I worked at motorstate/allstar I helped Mike out with piecing together a bump steer kit and maybe even an adjustable centerlink set up.
Then when we were debuting our new online ordering system for dealers he came and sat with us for an hour for some beta testing at PRI

I spoke with a local guy today upon recommendation, he does everything from cast iron to top fuel head repair. He claimed there's no way for a head to get hot enough to anneal unless its in a garage fire or something. All said and done through him I would have about a grand into them.

I guess I am still going to hardness test them, since its free. I really didnt want to put more than $500 into them so I guess whoever is cheapest among the reputable guys gets them

ANOTHER person just messaged me that has a friend in northern Indiana that used to repair all of the Gaerte sprint car heads. I guess its better to have a ton of contacts than none at all.


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress

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