My first rebuild
Thread Starter
Drifting
Joined: Aug 2012
Posts: 1,650
Likes: 2
From: Tulsa Oklahoma
Here is a test that Car Craft did with a bunch of cheap aluminum heads. Say what you want about the testing, but at least you get flow numbers for each head, on the same flow bench, under identicle conditions.
http://www.carcraft.com/techarticles...t/viewall.html
Scott
http://www.carcraft.com/techarticles...t/viewall.html
Scott
Safety Car
Joined: Mar 2007
Posts: 3,652
Likes: 49
From: Bridgewater nj
notice something - the hole in the front (side) is for the dipstick
The hole in the back - is for that cable I told you to NEVER forget to install, and the one which, if you incorrectly hook it up to your carb, will burn the transmission up in as little as 20 miles.
The hole in the back - is for that cable I told you to NEVER forget to install, and the one which, if you incorrectly hook it up to your carb, will burn the transmission up in as little as 20 miles.
The extra few hundred look like a big difference in power on those heads. I wished they tried the eBay specials but that would hurt their ad supporters.
Thread Starter
Drifting
Joined: Aug 2012
Posts: 1,650
Likes: 2
From: Tulsa Oklahoma
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Melting Slicks
Joined: Aug 2012
Posts: 2,548
Likes: 379
From: Woodinville WA
hmmm... I must have missed the post where you scored the heads... nice
black balancer looks good.... except how are you planning on seeing the timing line when the motor is in the car?
a bit of silver in the slot goes a long way to helping you see the line
black balancer looks good.... except how are you planning on seeing the timing line when the motor is in the car?
a bit of silver in the slot goes a long way to helping you see the line
Thread Starter
Drifting
Joined: Aug 2012
Posts: 1,650
Likes: 2
From: Tulsa Oklahoma
I am going to paint the timing line just haven't got to it yet.
Back to the heads, I scuffed the block surface, put sealer around the water jackets and put the heads on. I sure hope you aren't getting ready to tell me I have to pull them and get new gaskets! Ha!
Thread Starter
Drifting
Joined: Aug 2012
Posts: 1,650
Likes: 2
From: Tulsa Oklahoma
Good info and good entertainment all in one thread!!
Le Mans Master
Joined: Mar 2008
Posts: 5,948
Likes: 72
From: Oxford MA-----You just lost the game!!!!
Ugh! This is the first I have heard about scoring the heads.
I am going to paint the timing line just haven't got to it yet.
Back to the heads, I scuffed the block surface, put sealer around the water jackets and put the heads on. I sure hope you aren't getting ready to tell me I have to pull them and get new gaskets! Ha!
I am going to paint the timing line just haven't got to it yet.
Back to the heads, I scuffed the block surface, put sealer around the water jackets and put the heads on. I sure hope you aren't getting ready to tell me I have to pull them and get new gaskets! Ha!
Just kidding! Sheesh! Seriously, though, what gasket did you end up using? And what did you use as a sealer? And, did you use anything to seal the head bolt threads? They go into the water jacket, ya know, and they need to be sealed. Did you by any chance flip the heads over before you installed them, and pour some solvent into the combustion chamber to make sure the valves sealed? Chances are they do, I wouldn't bother to take 'em off to check, but you should have done this before you put them on, just for peace of mind. I know, I know, hindsight is 20/20, isn't it?You are approaching the part of the build where things get tricky......the valvetrain. Take your time, and look before you leap! Having the valvetrain and the distributor set up correctly is crucial to a smooth break-in upon initial start-up. Double and triple check everything! And, as always, don't be afraid to ask stupid questions. You may feel silly asking a dumb question, but think how silly you'd feel if you destroy your engine 5 minutes after you start it up, because you didn't ask! Good luck!
Scott
Safety Car
Joined: Sep 2012
Posts: 4,688
Likes: 41
From: Palm Harbor, Florida
Thread Starter
Drifting
Joined: Aug 2012
Posts: 1,650
Likes: 2
From: Tulsa Oklahoma
So, what head gasket did you use? Whatever it is, it's the wrong one, and needs to be replaced! Just kidding! Sheesh! Seriously, though, what gasket did you end up using? And what did you use as a sealer? And, did you use anything to seal the head bolt threads? They go into the water jacket, ya know, and they need to be sealed. Did you by any chance flip the heads over before you installed them, and pour some solvent into the combustion chamber to make sure the valves sealed? Chances are they do, I wouldn't bother to take 'em off to check, but you should have done this before you put them on, just for peace of mind. I know, I know, hindsight is 20/20, isn't it?
You are approaching the part of the build where things get tricky......the valvetrain. Take your time, and look before you leap! Having the valvetrain and the distributor set up correctly is crucial to a smooth break-in upon initial start-up. Double and triple check everything! And, as always, don't be afraid to ask stupid questions. You may feel silly asking a dumb question, but think how silly you'd feel if you destroy your engine 5 minutes after you start it up, because you didn't ask! Good luck!
Scott
Just kidding! Sheesh! Seriously, though, what gasket did you end up using? And what did you use as a sealer? And, did you use anything to seal the head bolt threads? They go into the water jacket, ya know, and they need to be sealed. Did you by any chance flip the heads over before you installed them, and pour some solvent into the combustion chamber to make sure the valves sealed? Chances are they do, I wouldn't bother to take 'em off to check, but you should have done this before you put them on, just for peace of mind. I know, I know, hindsight is 20/20, isn't it?You are approaching the part of the build where things get tricky......the valvetrain. Take your time, and look before you leap! Having the valvetrain and the distributor set up correctly is crucial to a smooth break-in upon initial start-up. Double and triple check everything! And, as always, don't be afraid to ask stupid questions. You may feel silly asking a dumb question, but think how silly you'd feel if you destroy your engine 5 minutes after you start it up, because you didn't ask! Good luck!
Scott
Would rather ask a dumb question and regret the stupidity later! Hahaha!
