Besides measuring the valves themselves you can also tell their size by the casting numbers. Alternator bracket for camel hump heads with no acc. Springs, no accessory bolt holes, small chevy, each. At that time the camel hump heads were commanding a premium price and were getting hard to find, and the few aluminum heads around at the time were too expensive for the average guy, so lingenfelter, joe sherman and others made use of these heads. Ict billet alternatorpower steering bracket kits 551576. My power steering pump is on the lower drivers side, and my alternator is upper passengers side. Guide to chevy smallblock production heads every step of the smallblock chevys performance history has originated out of production parts. Chevy double hump heads 3927186 6970 corvette pair of bare chevy double hump heads part number 3927186 these are the double humps with accessory holes, just back from machine shop diagnosis is they need new guides installed, or oversized valves. The north slope of the mountain borders the winooski river, which has carved through the green mountains over eons. Chevy sbc assembled aluminum camel double hump 461. Even the older performance double hump heads are now considered passe.
Oh yea, do they have any accessory bolt holes on each end. I know it sounds hypocritical to run a camel humps and an alternator but it will be under the hood of 55 chevy so the non traditional sins will be hidden along with the mallory dist. Circle track takes a closer look at chevrolets famous double hump cylinder heads. The hump of the camel small windows to gods big universe. Made in the usa from aerospace grade billet aluminum. Accessory drive bracket double hump heads 305 327 350 383 5. The famed camelhump or fuelie heads used until 68 had no accessory boltholes and used 1.
Most of these heads had accessory bolt holes and were identified with casting numbers ending in 186 or 492. Im building a 350 with camel hump heads off 66 corvette, im wondering what to do without drilling accessory holes in the heads. Double hump heads, no accessory holes 160 cc runners. Many heads with the double hump mark were installed on. The park came about as an original gift of acres including the summit from colonel joseph battell, who originally bought camels hump to preserve the. Nnn nnnnnnn70350lt1,camel hump,accessory holes,64cc, straight plug. The double hump heads pre 69 didnt have the bosses cast on the heads. Ict billet sbc alternatorpower steering pump accessory drive. Aluminum gm 3782461 chevy 327 sbc camel backdouble. Now i am running these on a restricted 2 brl engine500 cfm hollyand an intake that is a non emissions. Double hump heads, no accessory holes 160 cc runners 302 327350. They were used from 68 through 72 on 302 ci z28 engines as well as 70 through 72 in lt1 350 ci corvettez28 engines.
How much hp does 350 have with double hump heads have answers. The name camels rump was used on a historical map by ira allen in 1798, and this became camels hump in 1830. One group to do badly out of covid19 is the guild of celebrity charismatic prophets, who have uniformly both failed to predict it except in the last september god gave me a secret message i can now reveal manner, and who even got their false retrospective words from god wrong as they decreed instant death on the virus by easter or passover, for some reason. Some of the small brackets that mount to the headers are weak and do break if you have a fairly hot cam. Some of these heads had accessory mounting holes, but heads made before 1969 do not. How to identify camel hump aka double hump small block chevy heads.
Camel hump heads, adding accessory bolt holes chevy message. Ict billet sbc lwp alternator bracket double hump heads. Apr 14, 2004 reading some of frans replies on the 348 and 409 engine forum got me thinking again about the double hump markings on my 65 327275 and a few others that i have noticed thru the years. Ict billet sbc alternatorpower steering pump accessory drive bracket kit for. Heads with tall casting marks were identified as 291, 461, 461x and 462 castings and did not have accessory bolt holes. The 492, 292, and 186 heads have a slightly different looking camel hump. These early heads did not have accessory bracket bolt holes. Just to make things interesting, another casting, the 041, was basically the same as the 186 heads, but did not have the camel hump casting symbol. How much hp does 350 have with double hump heads have. Includes all hardware to attach bracket to long water pump and engine block. Kipling bases many of his books off of old folktales, such as how the camel got his hump and the jungle book.
The camels beautiful back suddenly grew a lump, which was the camels hump. Comparing cylinder heads and fasteners for chevy small block. Aluminum gm 3782461 chevy 327 sbc camel backdouble hump. The 3782461x head, 196063, camel hump, slightly larger as cast intake ports, 17264cc port volumes. This video shows you how to identify camel hump heads. I am running camel humps and i guess have been hogged out, so i was just wondering. The guy who built it ran nhra class racing for a gazillion years holding some records for his class for quite awhile.
Buy ict billet sbc alternatorpower steering pump accessory drive bracket kit for. Both were used between 6466 on the 327cid and had 64cc chambers. Heads with short doublehump casting marks were used in later highperformance sbcs. V8 powered corvette cylindar heads corvette fever magazine. Found a wrecking yard here that specializes in classic cars and i scored a ton of parts for my 65 and it still has the hp 327 in it with the camel hump heads but questiion is are they worth pulling for 35 a piece.
These heads had no accessory mounting bosses and bolt holes. To get the trick flow specialties tfs3022 cylinder heads with the accessory bolt holes you will use part number trick flow specialties tfs3027. I want an electric fan set up and i dont really need the ac is there a car that i can swap my accesories and belt routings to, or. At 4,083 feet 1,244 m, it is tied with mount ellen for the thirdhighest mountain in vermont. Oct 01, 2006 the double hump or camel hump casting marks can be found on a variety of smallblock iron heads and designate a highperformance casting. When hardworking animals complain to the magic desert watcher. How to identify camel hump aka double hump small block. Both are good camel heads if you already have them or can get them dirt cheap. I have a late model block that i am rebuilding and it has the lower holes drilled. The hump markings on the end of the heads of double hump or camel hump heads will vary slightly with the size of the valves. The first doublehump heads had no accessory holes, because the brackets were mounted to the block or water pump.
As for the other side,i mounted ac on my double hump heads for the first time a few months back. Buy ict billet sbc lwp alternator bracket double hump heads adjustable billet kit small chevy 305 327 350 5. May 01, 2006 the famed camel hump or fuelie heads used until 68 had no accessory bolt holes and used 1. Nov 06, 2011 im building a 350 with camel hump heads off 66 corvette, im wondering what to do without drilling accessory holes in the heads. Double hump heads chevy message forum restoration and. This casting number cylinder head has become infamous for having no accessory holes for mounting any front drive accessories from the head. Camel hump heads, adding accessory bolt holes 092106 02. Beginning in 1969, chevy added accessory holes to the front of all its cylinder. Because i know many women keep their hair tied up on the top part of their heads and it does look like a hump.
Made from premium grade, lightweight a356t61 aluminum, dhc 175 heads feature the. The later drilledtapped heads have a totally different casting design on each end. I like the 186 heads just because they have the latest factory technology and metallurgy. If anyone has done any custom mods id like to see pictures, or if any one knows of a kit to go around. Trick flow dhc 175 cylinder heads for small block chevrolet. The name camel s rump was used on a historical map by ira allen in 1798, and this became camel s hump in 1830. The djinn rolled himself up in his dustcloak, and took a walk across the desert, and found the camel looking at his own reflection in a pool of water. The last 3 numbers of the serial number under the valve cover would be 461 or 462. Brackets free delivery possible on eligible purchases.
Summit racing cast iron cylinder heads for small chevy sum. The standard 461 heads intake port volume was 161cc, exhaust was 62cc. In the following hadith, can you please elaborate on heads looking like humps of camels. The last drag motor i ran was a 302 69 z motor dz block with the double humps. The 041 heads have a completely different right angle symbol on their ends. Heads with short double hump casting marks were used in later highperformance sbcs. Aluminum gm 3782461 chevy 327 sbc camel backdouble hump cylinder head assembled step back in time with our modern reproduction of the iconic chevy 461 double hump cylinder heads, now cast in lightweight aluminum. Doublehump heads from trick flow give modern performance. Jun 29, 2007 camel back heads are called that becuase. Fuelie camel hump heads and ac chevy message forum. In fact, weve brought back classic chevy performance in a big way with these readytorun heads for small block chevy. I drilled the holes in the heads to mount the bracket. This story is a warning against laziness, and the camel learned his lesson by getting a hump on his back after rejecting work too many times by saying humph.
Nov 29, 2008 this video shows you how to identify camel hump heads. Jan 05, 2016 350 with camel hump heads for sale doug johnson. Jan 01, 2001 we landed a set of complete camel hump chevy heads 1964 castings at the swaps with 1. I want an electric fan set up and i dont really need the ac is there a car that i can swap my accesories and belt routings to, or can i buy brackets that bypass the heads. Camel hump heads, adding accessory bolt holes 092106 09. Camel hump heads, adding accessory bolt holes chevy. Because though the double hump or camel hump heads from the 60s were good, not all of them came with the larger valves. Also known as fuelie heads, the 3782461 castings were used on many legendary chevrolets from 19611967.
Chevy diy chevy muscle car tech tips, guides, articles. Aug 20, 2008 because though the double hump or camel hump heads from the 60s were good, not all of them came with the larger valves. Sbc alternatorpower steering pump accessory drive bracket. No listing in the parts book for air suspension head. Accessory hole double hump heads which head to run youtube.
Camel hump,no accessory holes,larger 17264cc port volumes, 62cc chamber 37958966365. On camel hump heads casting numberare the intake valve 2. Alternator and power steering bracket kits, sbc accessory drive bracket kit for. Compatible with double hump heads does not use cylinder head bolt holes. Chevy small block history chevy high performance magazine. This tech tip is from the full book, chevrolet small block parts. The early heads dont have this nor enough material to provide enough thread engagement. Highperformance efforts have always begun by improving upon what the factory built, and the smallblock chevy is the poster child for that effort. Sbc cylinder head identification crankshaft coalition wiki. It does require you to swing the alternator 180 degrees so that the adjustment bolt is on the bottom instead of the top as you face the engine. Does anyone know what stock camel hump runners flow. Reading some of frans replies on the 348 and 409 engine forum got me thinking again about the double hump markings on my 65 327275 and a few others that i have noticed thru the years. The djinn assured the camel his hump would always be a help, not a hindrance.
Comparing cylinder heads and fasteners for chevy small. When it comes to oldschool stock car racers and stock cylinder heads, chevrolets longrunning double hump cylinder heads have always been the gold standard. Actually, there are four part numbers for this cylinder head. The double hump or camel hump casting marks can be found on a variety of smallblock iron heads and designate a highperformance casting. If there was another size, that info has long since left my mind.
Some of these heads had accessory mounting holes, but heads made before 1969 do. This simple bracket cured our alternator mounting issues with double hump heads wout accessory bolt holes. I have a set of camel hump heads with no accessory holes in the heads, does anybody know where to pick up a bracket so my alternator does not flap in the wind. Guide to chevy smallblock production heads chevy diy. Chevy v8 sbc block and head casting numbers chevy v8 bbc block and head casting numbers chevy v8 w motor 348409 casting numbers chevy v8 crankshaft casting numbers chevy v8 crankshaft journal sizes chevy v8 bore and stroke list chevy v8 notes sbc crate motors bbc crate motors sbc cylinder heads holley carb information holley tuning tips. In chevrolet small block parts interchange manual by ed staffel. Sbc lwp alternator bracket double hump heads adjustable. The 492 and 186 camel hump heads do have accessory holes. Later models were designed for use with accessory brackets that mount to the heads. The numbers you posted are probably real close camel heads and porting. I relocated the outerupper bolt inward about 34 because it was originally way out on the end of the head. I have camel hump heads on my 327, does anyone know how to mount the alterator on the pass. Nov 08, 2009 on camel hump heads casting numberare the intake valve 2. Since then, the price from gm has risen steadily, but as this book is written, the.