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#63956 08/07/2006 6:24 AM | Joined: Jul 2006 Posts: 58 Member | | Member Joined: Jul 2006 Posts: 58 | Well no. There'll be no cracking in here.
Valves. They control when intake and exhasut enter a cylinder head (and a bit of how much).
Now, I'm on a psychotic binge on making my inline faster while being cheap at it.
As far swapping heads with other inlines, could I put another head onto my 250 (from a motor that is other than a 250) and improve engine performance?
If this is so, what head would you recommend putting on a 1967 250 inline 6 that would also fit my original intake and exhaust manifolds?
1967 Chevy truck "The Hurricane"
WARNING:
This suspect has a tendency to jerry-rig.
"My engine ain't fast, but I pulled a tree trunk out of the ground once."
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#63957 08/07/2006 9:49 PM | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | The 194 head used on early chev-II raises compression ratio a little. A modified cam would be the next easiest step. The heads can be modified to flow better but that would get involved.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
#63958 08/08/2006 1:58 AM | Joined: Feb 2000 Posts: 5,194 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,194 | All 230, 250, and 292's use the same basic head, except for the intergal late models which should be avoided at all cost! So with this information, NO swapping heads will not produce more performance! Like Wrenchbender said, the 194 head will produce more compression, but even it needs modifing to produce more power.
There is no magic part for more power on a inline, the best you can hope for is a few more horses with a manifold, carb, and exhaust. When they start out at 140 HP, it takes tons of work just to get in the 200 range.
The intake was designed for cheap dependable transportation. They work pretty good for everyday driving but really suck when it comes to performance. Even with a good carb, the outer cylinders will run a bit lean, thats why a 3 carb intake works so good. Each set of cylinders has its own carb to pull air from.
Start shopping for a RV style cam and different intake. If you are after a lot of power, start looking for a V-8, it will be cheaper to make power with. Joe | | |
#63959 08/08/2006 4:41 AM | Joined: Jul 2006 Posts: 58 Member | | Member Joined: Jul 2006 Posts: 58 | I just dumped 400 bucks into new oil seals.... don't plan on looking at a V8 for a while.
1967 Chevy truck "The Hurricane"
WARNING:
This suspect has a tendency to jerry-rig.
"My engine ain't fast, but I pulled a tree trunk out of the ground once."
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#63960 08/08/2006 3:16 PM | Joined: Apr 2006 Posts: 4 Junior Member | | Junior Member Joined: Apr 2006 Posts: 4 | Not saying that i have some super awesome setup here but i got a dual exhaust 2barrel head off an 82 chevy on my 60,of course its an integral head but I,ll see what it can do. | | |
#63961 08/09/2006 7:45 AM | Joined: Jul 2006 Posts: 58 Member | | Member Joined: Jul 2006 Posts: 58 | Ouch. I heard those integral heads are NOT good. But hopefully you can make it work good.
Hey wait a sec! Split exhaust and 2 barrel carbs are stock on that motor! you cheater!
Haha... just kiddin'. But seriously, EVERY STATEMENT involving the words 'integral' and 'head' on this site usually also involves the word 'junk'. But hey, at least you have that 2 bbl! I've seen them too... those engines are just plain weird!
1967 Chevy truck "The Hurricane"
WARNING:
This suspect has a tendency to jerry-rig.
"My engine ain't fast, but I pulled a tree trunk out of the ground once."
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#63962 08/09/2006 5:53 PM | Joined: Apr 2006 Posts: 4 Junior Member | | Junior Member Joined: Apr 2006 Posts: 4 | Haha,yeah ive heard that the integral heads are junk but i found this one for free and was upgrading from a one barrel single exhaust integral head so im not to worried about it,if it ever cracks i can have a 350 in it in a weekend. | | |
#63963 08/10/2006 5:00 AM | Joined: Jul 2006 Posts: 58 Member | | Member Joined: Jul 2006 Posts: 58 | Niiiiice  Let me know how that integrwted ehad runs compared to the one barrel. And if the exhaust sounds any cooler with a split manifold.
1967 Chevy truck "The Hurricane"
WARNING:
This suspect has a tendency to jerry-rig.
"My engine ain't fast, but I pulled a tree trunk out of the ground once."
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