I have a friend with a pair of Sbc head the casting numbers are 261 another person I know has a pair of 333882 witch are better? I dont have alot of cash to spend or I would get some vortecs or camel humps

Can someone please help ???
Thanks,

 

I don't recognize the number 261. If they're center-bolts but not swirl-ports, get them. Otherwise, take the 882s.

 

I looked on mortec.com and found this listing near the bottom of the page
14079261...86......350

Not much info on them maybe someone else would be able to tell you more about these heads.
I have used 882 heads, with comp springs ported and polished ect...they were average at best.
I put on vortec 906 heads, reworked of course..and man do they work. No comparision to 882 heads.

If you have the time to save the $ or can borrow $600.00 from someone they are the way to go on a budget. I paid $100.00 for mine, had all the machining done, including valve springs, and pinned down studs for $500.00 more.

 

I'm also not familiar with the 261's. FWIW, the S/R (not the S/R Torquer) 043600 76cc head is an NHRA-accepted replacement for both the 882's and 261's.

Goggle doesn't help much. Almost all sites use the same data as Mortec. One rebuild site said you'd get either 261's or 624's with your rebuilt engine (low priced rebuilt engine, I'd add).

I'd say only take either of them if you need to hold a door open or keep a boat from drifting away. You'd be better off getting some LG4 305 heads.

 

i would recommend to save up for some better heads. I have a set of 041 heads i'm thinking of selling and save up for afr heads

 

the way i always understood it the 882's were supposed to be some of the best all around heads, behind the double humps of coarse, if your going vortec i would sugest going with a 062 casting out of a 98 and newer 5.7, the exhaust ports are bigger allowing something like 30% more flow than the 96-97 906 casting heads. seen/ felt that one work, would have thought it was a whole different motor, huge difference

 

Before I bought my 906' heads I did alot of research on the two choices. Initially there was some misguided info posted by a reputable car magazine that said basically the same thing, which they later recanted. Both of the 906 and 062 are the same casting, with the 906 heads having a pressed in seat for the exhaust side which may hamper exhaust side flow by a small percentage. According to acticles I have read this can be negated by smoothing in the edge of the seat to the head itself.... which I did with my heads. I guess there are many different opinion out there just do you homework before you choose.....I PM'd F-bird 88 when I was doing mine. He has a ton of knowledge of these heads. Good luck

 

882's are only some of the best all around heads when somebody is trying to sell you some.

They're junk, as are 624's. From what I've gathered looking into answering this question, 261's belong in the same pile.

Double humps are for points restorations only.

 

Agree here on all points - 882/624/261 are just low compression, crack prone, inefficient smog era heads. They bring nothing to the table.

One of the best kept secrets for SBC heads, though it seems to be somewhat known on this board, is the 305 heads from the mid to late '80s. Look for castings 416, 601, and 081 on anything with a 305 from about '82-90. Trucks, vans, cars. The best of those three are the 601 castings. They are usually found in early '80s trucks and vans. Rarely if ever in cars. These heads have the best chamber design and they flow the best of those three castings.

The 416 and 081 castings both have a good chamber design, almost as good as the 601 but a little different. They flow about the same as the 601 through the ports. The 416 and 081 are exactly the same, except that the 416 uses a perimeter bolt valve cover, and the 081 uses a centerbolt valve cover and has the center two intake bolts at the '87+ angle. The ports, chambers, etc are all the same.

All three of those castings have a good chamber design, very similar to the double hump heads, but with smaller chambers (58cc). And being 305 heads, they are everywhere and you can get them for basically nothing.

 

Good for holding open doors but also make good boat anchors. Like the old double hump heads, they're old technology and don't stand up to a modern head. Even a plain Vortec head will out perform them.

 

I want to start off by thanking everyone for there help.

Also how good are powerpack heads off a 67 chevelle ss ?
are they worth 100$

Thanks again for all your help

The casting is 858

 

I'm not familiar with SBC heads number 858 I looked around and could only find a BBC on MORTEC.com ;

3873858....65-67...rect..CLOSED..396, 427, 109cc chamber

As you probably know these wont fit a small block. You could try

I think they might be worth something to someone doing a period correct
restoration. check this link out....
http://shop.ebay.com/items/_W0QQ_dmp...eads&_osacat=0

mind you nobody has bid !!!!

 

Assuming they are SBC heads from the '67 time frame, you don't want them. They won't have the accessory bolt holes on the ends, meaning more hassles to find new accessory brackets.

 

The 'Power pack' motor was a 283 as well, IIRC. The heads will not be good performance heads. Small valves (smaller than even our 305s had), medium chambers of mediocre design, and poor flowing ports. Also no accessory mount bolt holes. Not worth the trouble.

Get the 305 heads - best bang for the buck out there IMO if you don't want to change the intake like the Vortecs would require.