1992 mx18 diablo engine questions please help
 

I got this boat for free like four years ago or so.the heads were cracked and I never went and picked them up. So I don't know what heads to put on the engine. I'm pretty sure its a 4.3 vortec 262 but I'm not sure.

A friend has some cheap heads off a 1991 chevy s10. Blazer. I'm pretty sure the heads will fit. Is thre anyway I can verify this or can anyone else? If anyone knows anything about this please let me know asap. He's gonna sell the heads to somone else tomoro.thanks and have a nice day

Re: 1992 mx18 diablo engine questions please help
 

They will bolt right on.
You don't have a vortec motor if it's a 92.
Make sure they have three mounting holes on the front side of the heads. Also make sure they have 6 holes for the intake side. If they only have 4 they are vortec heads. But they weren't used til 1995 so you ought to be fine.

Re: 1992 mx18 diablo engine questions please help
 

Thanks for the info. Can u look at the pics of the heads for me and see if u think they will fit? I'm not sure what mounting holes are.here is the link to the heads I'm interested in
If the link doesn't work please copy and paste into url so u can check out pics for me please.

215 friendly REBUILT HEADS 91 CHEVY S10

Re: 1992 mx18 diablo engine questions please help
 

Can't see the intake side , but they look like they are the right ones for your 4.3. The mounting holes I refer to are on the front side of the heads. They are for accessory bolt up.
Here is what the intake side needs to look like , and if you look close at the other pic , you can see the three holes in the end of the head.
http://i271.photobucket.com/albums/j...eoval1ss/4.jpg

http://i271.photobucket.com/albums/j...eoval1ss/5.jpg