TRADE: Pro Topline Vortec Heads

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09-10-2013
badmojoe

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TRADE: Pro Topline Vortec Heads

At this point this is mostly a feeler thread, but I came up on a set of Pro Topline 350C (cast # 2236494906) cylinder heads that look to be in good condition. Now before I proceed with this proposed trade I will have them cleaned up and checked out by a machine shop. Now on to what I want, I have a K2500 suburban that I am trying to get just a little more out of, and since I am in California I don't want to attempt the Vortec swap. Since this truck has the 76cc (I think thats right) combustion chambers I would like to trade my Topline heads for a set of clean/rebuilt 64cc 350 TBI heads.

So is there anyone out there that's interested??

Thanks
Rob
09-10-2013
roughneck427

Where in ca?

Quote:

Originally Posted by badmojoe

At this point this is mostly a feeler thread, but I came up on a set of Pro Topline 350C (cast # 2236494906) cylinder heads that look to be in good condition. Now before I proceed with this proposed trade I will have them cleaned up and checked out by a machine shop. Now on to what I want, I have a K2500 suburban that I am trying to get just a little more out of, and since I am in California I don't want to attempt the Vortec swap. Since this truck has the 76cc (I think thats right) combustion chambers I would like to trade my Topline heads for a set of clean/rebuilt 64cc 350 TBI heads.

So is there anyone out there that's interested??

Thanks
Rob
09-10-2013
badmojoe

I work in the Santa Clarita Area, not far from Los Angeles.
09-10-2013
roughneck427

I don't know of any 64cc tbi heads made may wanna look for some L98 tpi heads
09-10-2013
badmojoe
Quote:

Originally Posted by roughneck427

I don't know of any 64cc tbi heads made may wanna look for some L98 tpi heads

Cylinder Head Specs: For trucks <8600 Lbs GVWR
- Casting number 14102193
- Swirl port intake port design
- 64cc Combustion chamber
- 1.94" Intake valve 1.50" Exhaust valve
- Valve spring part number is 3911068 (same spring used with the old 300hp 350 crate engine)
- Installed height 1.70" Pressure @ Installed height is 80 LBS * Pressure with valve open is 267 lbs.
- These springs are good for .550" lift but clearance between guide and retainer must be double checked before attempting.
- 7 Bolt exhaust flange
- Center bolt valve cover flange
- 1987-1995 Intake manifold bolt pattern with center intake bolts canted @ 72 angle
Cylinder Head Specs: For truck >8600 Lbs GVWR
- Casting number 14102191
- Swirl port intake port design
- 76cc Combustion chamber
- 1.94" Intake valve 1.50" Exhaust valve
- Valve spring part number is 3911068 (same spring used with the old 300hp 350 crate engine)
- Installed height 1.70" Pressure @ Installed height is 80 LBS * Pressure with valve open is 267 lbs.
- These springs are good for .550" lift but clearance between guide and retainer must be double checked before attempting.
- 7 Bolt exhaust flange
- Center bolt valve cover flange
- 1987-1995 Intake manifold bolt pattern with center intake bolts canted @ 72 angle
09-12-2013
badmojoe

I am also willing to entertain any offers, if your interested in these heads.
09-13-2013
Fast355

Quote:

Originally Posted by roughneck427

I don't know of any 64cc tbi heads made may wanna look for some L98 tpi heads

ALL 350 TBI heads are in the 64-66cc range. The difference between the 8600+ GVW trucks is an 18cc dished piston vs a 12cc dished piston.

If you go with TPI heads, you will have the same compression ratio and less torque than the swirl ports. About the only thing that can be done is mill/angle mill the heads and intake and us a .016" compressed steel shim headgasket or change the pistons.
09-10-2014
Chas

I've got some freshly rebuilt TBI 350 heads just from the machine shop. I'm interested in this trade for those Pro Topline heads. I don't know anything about Pro Topline, so I'll need to do my research. Let me know what your machine shop says about them.

I'll get a picture of my heads and send them to you. Will you be checking your Private Messages or do you prefer email?
09-10-2014
badmojoe

Quote:

Originally Posted by Chas

I've got some freshly rebuilt TBI 350 heads just from the machine shop. I'm interested in this trade for those Pro Topline heads. I don't know anything about Pro Topline, so I'll need to do my research. Let me know what your machine shop says about them.

I'll get a picture of my heads and send them to you. Will you be checking your Private Messages or do you prefer email?

I'll send you a PM.
12-30-2014
Tylerz281500

i have my tbi heads that should be coming off soon, newer valve seals, valves etc idk how id ship em though.
12-30-2014
badmojoe

Where abouts are you located?
12-30-2014
Tylerz281500

Michigan lol the other side of the country