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SPEEDMASTER ALUMINUM HEADS
- Thread starter cawley
- Start date
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512Stroker
We are all here because we are not all there.
Using my Samsung phone made in South Korea
Ive found my Pro Maxx small block CNC ported heads to be really very very good. Disassembled checked out good to go. I personally modified the spring seat for different springs.
Just a FWIW.... Cawley did. Not Tony.
512Stroker
We are all here because we are not all there.
My mistake I will edit past post.
Thanks for pointing it out to me.
Still dont care for Chinese parts on an American muscle car.
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Quality cleanup and a little paint, an engine don't know or care where a cylinder head is made.
Performance is the only thing that matters. lol
Performance is the only thing that matters. lol
512Stroker
We are all here because we are not all there.
j par
Well-hung Member
I think some people's budgets you just can't change.... It really does come across as if you're telling people how/where to spend their money...
James Clews
Well-Known Member
"" speedmaster heads are made in china"" Where do you think edelbrock heads are cast?
SLOPAR72
Well-Known Member
Or your ignition, carburetors, blah, blah, blah. Find the most American built hotrod and you will find chinesium.... I didn't do it. Don't blame me. It was set in stone well before I was born.....
JW
Let's get back on track here guys.
j par
Well-hung Member
I'm pretty positive the Edelbrocks are cast here in America, but LOL A lot of people are now finding the Speedmaster castings nicer at less than half the price...
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My Speedmasters are every bit as nice as any other head out there. The quality seems second to none. Kim
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Wyrmrider
Well-Known Member
the earlier procomps had problems
get the speedmasters bare and pick your parts
edelbrocks spotty qa is well documented- you have to rebuid them
get the speedmasters bare and pick your parts
edelbrocks spotty qa is well documented- you have to rebuid them
512Stroker
We are all here because we are not all there.
What crime pay out all that money and you have to rework new heads.
I guess you get what you pay for. Wouldn't a fella would be better off just to buy better heads rather than buy the cheap heads and add the cost of making them right?
Nope I am wrong. Cast in So California....
1380 S Buena Vista St, San Jacinto, CA 92583
I have a pair of Speedmasters and they look pretty good. It has been written and posted hundreds of times that any new head you buy should be checked out before you pull it out of the box and bolt it on. Just my take on the subject.
dart_68
Well-Known Member
Sounds like I've got the same heads as you but I just got mine back from the head shop. The machinist said that the CNC porting job looked pretty good but the valve job was ****. He said it looked like they did a 1 angle valve job and that the cut was pretty far back (deep?). The spring rates weren't very consistent but usable. However, I'll probably have to shim springs maybe .030 to bring the pressure up a bit to match my intended cam. I also had an intake and exhaust port flowed. Results match up pretty well to what others have posted with the intake topping out at 274.
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While I’m sure there are plenty here who got a nice set of cast and machined Speedmasters the set I got had a few too many machining issues especially the rocker stands radius not matching the shafts (oem or the Ersons I have, the shafts were loose) and a couple rocker stand heli-coils not installed correctly, and the valve job on the seats were’nt very good so I unloaded them and went with something else.
Yep. Like everybody says. he price is right and with a little work can be made into some pretty good heads. I started a thread with links to all the Speedmaster head threads. Some good stuff in some. Speedmaster head thread index
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I bought a bare set of CNC heads...added their intake and exhaust valve...retainers and keepers too.....bought PAC 1903 valve springs since that is what i use for Flat tappet cams...paid the local machine shop to do a valve job and assemble them...all said and done i have 1500 invested....
eddy heads are that much ...
trick flow 2200 dollars plus bolts or studs...
my speedmaster did not look very good on their flow bench....but with the slug of a short block 360 ...the car has run 11.19 @ 118.56 in Vegas which is at 2000 ft plus lousy Barometric Pressure...car weighted 3000 lbs with me...weighted at the track....probably run 10.90s in Bakersfield....
Would the TF be faster?,,,,,maybe...but probably not this the short block...So I think they are a hell of a deal....
Next Black Friday I will be looking again....
eddy heads are that much ...
trick flow 2200 dollars plus bolts or studs...
my speedmaster did not look very good on their flow bench....but with the slug of a short block 360 ...the car has run 11.19 @ 118.56 in Vegas which is at 2000 ft plus lousy Barometric Pressure...car weighted 3000 lbs with me...weighted at the track....probably run 10.90s in Bakersfield....
Would the TF be faster?,,,,,maybe...but probably not this the short block...So I think they are a hell of a deal....
Next Black Friday I will be looking again....
Yes..he took a flash light and eye balled the CNC work said it looked good but they left a small ridge in the bowl...Said the valve job would be 350 dollars and he would clean up the bowls...plus for another 50 bucks he would flow one of the ports...I brought new valve springs....these heads are new and never have been run.
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