
lol im doing aluminum heads im doin Edelbrock E-Street Cylinder Heads thought i mentioned this on an above thread here are the specs.
Application. The Edelbrock E-Street Aluminum Cylinder Heads are designed to be a direct bolt-on for 1986 to 1995 5.0L Ford V8 engines.
Specifications:
* Combustion chamber volume - 60cc
* Intake runner volume - 170cc
* Exhaust runner volume - 60cc
* Intake valve diameter - 1.90"
* Exhaust valve diameter - 1.60"
* Valve stem diameter - N/A
* Valve guides - Manganese bronze
* Deck thickness - 5/8"
* Valve spring diameter - 1.25"
* Valve spring maximum lift - 0.550"
* Rocker stud - 3/8" with guide plate
* Guideplate - Hardended steel
* Pushrod diameter - 5/16"
* Valve angle - N/A
* Exhaust port location - Stock
* Spark plug fitment - 14mm x 3/4 reach, gasket seat
Technical Notes. Use with hydraulic camshafts .550" max lift. Recommended spark plugs 14mm x 3/4" reach with flat gasket seat. Requires hardened pushrods. 289-302 cid with 7/16" head bolts requires #9680 head bolt bushing kit. 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance.
By the way RIO5.0 that motor is breath taking lol