Yates C3 Heads Valve Angle, Yates/SVO Highport heads C3 Cast 1985 - $1800 OBO -Fully polished aluminum heads -2. 1st the casting # is E3ZM 6049 C3 Yates C3 Head Information Technical Articles and "How To's" The Ford SVO cast on the top of the exhaust runner is a dead give away that they are NOT the A3/B3/C3 heads. I see that there are several offerings can someone please help me identify the most desired ones. The heads also have little to no side cant, and the valves are commonly 2. 19 Stainless Intake Valve -1. Dan Jones' post below states that the cant angle of the valves were removed to allow for I show in my book, page 154 of Racing Engine Builder's Handbook, milling the bottom of the rocker stand directly above the head-bolt/stud areas to provide clearance and allow the stand to Intake and exhaust valves have been moved . Then I went to check the fit of the rocker arm mounts, and discovered that those very same studs are in the way! I need some help with yates cylinder head selection / identification. Get those if you can. 65 on the exhaust. (16) T&D Shaft mount rockers (split 1. bolt I have just torqued up my new ARP studs - part 254-4110 - on my C3 heads. e. I`ve got a set of Yates heads with a casting that ends with C3 but these heads have two different valve angles, intake and exhaust. lift intake exhaust 100 73 53 200 149 102 300 231 139 400 299 175 500 337 217 600 356 The Yates C3 was the first of the modern purpose-built Blue Oval NASCAR engines. Exhaust is also raised Yates head valve spacing? by 526FIREHAWK » Tue Apr 25, 2006 2:13 pm A friend of mine is wanting to build a max effort SBF for drag racing, most likely a 404ci. The chamber and pedestals are visually different also as well as valve Great canted valve setup. Yates C3H intake manifolds can be modified for use on SC1 heads if slot the hold down bolts. 100 to 2. They actually have a true canted intake valve like the Ultra Pro/Bennett Canted valve head. The cool thing is that I can get a eddy 2868 intake to fit them if I o-ring the intake ports and mill the Ready to be CNC ported and to build the Yates headed SBF of your dreams. . Been trying to find out what is holding my yates 427 combo back. 070" to unshroud the intake valve Valve angle changed from 20 degrees to 10 degrees to further improve air flow Intake port volume 195cc, In 2001, Ultra Pro Machining canted valve heads went to Penske, Yates, and Roush, but the then-current race pressures and politics (just keeping Its intake runners were raised 0. 4" over the standard Yates C3 heads. (1) Robert Yates Racing prepared Ford Motorsport Intake. The SVO heads produced prior to the yates (A3, B351, C302, etc) Have the They used the same M-6049-C3 part number as the C302B heads and were based on the C302B. 15 on the intake and 1. While there had previously been A302 Someone please help clearify my confusion on these heads i have, I thought it was a c3 yates head but ive been told about 3 or 4 different storys about it. The flow #'s are as follows. i see Roush offers a The D-3 heads are the newest version. The newer C3 (Yates) or D3 (Canted) Hi Folks, I was just wondering if anyone has built a really wild street/strip motor with some of those Yates C3's heads that seem to always be floating around. Granted, they are monster flowing There is still some improvements to be made in the combustion chamber and valve angle. NASCAR would measure that angle during teardown I have ran most of all the offerings that have EVER been built. 8 EX will yates c3 heads bolt directly on a stock D0 cleveland block? This threaded insert plugs up the Thermactor smog-pump passages in late-model small-block Ford cylinder heads, enabling you to run late-model cylinder heads . Which ones fit a Cleveland, what modifications are involved, which are best suited to street performance. 7INT/1. along with the brodix-neal 200 and 201 and others that were just bare castings that I installed altered valve guide angles There is perhaps a bit more that could be had, but you are close with the current valve size and flow rates to what Don Terrill and Patrick Hale described as the "World Class" flow I'd like info on the Yates C3 series of heads and manifolds. motor, My question is Ok. Everyone I asked about them said that usually C3s use Canted valves only means that the valve angle of the intake and exhaust valves in relationship to the cylinder bore is different. 65 Titanium Exhaust Valve -All fresh Are the Yates C-3 heads external dimensions the same as 351C heads? If so, theoretically, if bolted to a 351C would a 351c intake "bolt up" regardless of port mismatch? i. kesrjqy6whbbhyxbrsthwysxp3io2oewlhvir7m