Long story short............ I bought a 86 SVO in 01 from a guy in Las Vegas(I also had a 84). I kept it for a bit and sold it to one of my buddies. After I sold it, this guys brother called me wanting to buy the car. He was telling me that the car had the big valve head on it..........................So fast forward to this week, my buddy has put less than 800 miles on the car and the turbo does not boost..........so I bought it back from him. My question is, how can i find out for sure if it has the big valve head or the stock head without pulling the head.
Bought 86 SVO, have questions
- Thread starter cmozez
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Do you have X-ray vision?
There's really no way to tell without taking the head off. You can't see anything to indicate one way or another otherwise.
There's really no way to tell without taking the head off. You can't see anything to indicate one way or another otherwise.
Yup and nope.
Lots of people do big valve heads, but they do that by cutting out the valve seats on a stock head, putting in new larger seats, and installing the big valves.
Lots of people do big valve heads, but they do that by cutting out the valve seats on a stock head, putting in new larger seats, and installing the big valves.
65ShelbyClone
Founding Member
+1. Currently there are no aftermaket iron heads for the 2.3s(that may change if Rhea Performance & Machine ever gets them into production). An aluminum head could be one of several different types.
65ShelbyClone
Founding Member
Rhea Performance is supposed to have an iron performance head in the works, but I haven't heard much about it lately. The castings for it are going to come from China, BTW....
Stinger
Founding Member
But they are still just a reworked stock head. No unique casting number. They also don't flow any better than a stock head without porting (and knowing where to port them).
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