i got set of 462 heads i got free that have been reworked and ready to assemble screw in studs 2.02 valves and all that jazz i was wondering what intake i should use to go with these heads cam i am using is a XS274S motor is a 350 bored .040 over flat top pistions stock stroke crank carb is a holly 650DP

and yes guys i no vortecs flow better but these are free and dont have cash for heads and these heads need no work so they will do just good for this year just wondering what intake would work best and what HP i could expect out of this build any info will help thanks!

 

Do they have hardened exhaust seats & valves?

 

They don't have the bolt holes to put your accessories back on.

You won't get far without an alternator.

No you can't drill and tap em. If you could, there'd be AHELLUVALOT more of em driving around, than you've ever seen before. There's ALOT LOT LOT of those in the world, sitting around in people's garages, waiting for .... something that will never happen .... , because they don't fit anything made since before 1970.



This is all you've got to drill into. All the space you've got for a bolt. And of course, the bolts would have to go into water. Basically, no way to work. Yes, if it were possible, somebody would have figured out a way, in the 40-odd years since those quit coming on cars; the fact it hasn't been figured out yet, ought to send up a big red flag in your mind.

There's a reason they were "free". Think about it. And that reason is, nobody else can use em, either. If people could actually make use of em, they'd have value, and they wouldn't have been free.

Best not to go too far down this road, lest you tear up something you can't easily fix. Which might be, some part of your car, or scrapping the heads themselves outright, or who knows what else.

Sell em to the next "greater fool" that doesn't know what the deal is, and buy something you can actually use.

 

hardened exhaust not intake and i no i got a low mount set up that mounts off block so no need for accessories as i dont need power steering or water pump pulley and they were free as the guy who had them i worked with him in a machine shop and he passed away suddenly and his daughter was just going to throw them away and i said i would take them what intake should i run dual plane or single? i was thinking weiand team G single plane but wanted to hear what ideas you guys had
thanks

 

What intake you run depends upon what cam you run.

 

the cam is a comp cams extreme energy cam part number is XS274S its a solid flat tappet cam. .501/.510 lift Duration @ .050" Lift: 236 intake 242 exhaust or if you feel that cam wont go good with these heads im open for suggestions

 

The heads may not do as well with that cam as other heads might, but a Performer RPM would be the intake to use.

 

what cam would you suggest then i was just going to use that as comp cams recommended it and BES racing also did but im open for suggestions and any idea what hp level this motor may make

 

That cam should be fine. Agree on the RPM intake as well.

 

any idea on what HP this combo may make my last motor with 882 heads and stock roller cam and stock converter and 4.56 gears powered my 82 camaro into a 13.75 i was hoping this may get me close to a low thirteen or even 12.99 with these heads cam intake 3000 stall and 4.86 gears any ideas thanks

 

What a coincidence. I'm getting ready to just give away my 462 heads too. Don't feel like letting them sit in the garage, and it wouldn't even be worth the 4 or 5 dollars in scrap money.

 

they will work fine for me