Now if you port a set of trick flow heads I would say they should make more power. I'll edit with updates as I go along with new information. 030-inch bore fixture. Don't forget pictures! Performer intake) and would like to use all the accessories off my current 350. That means the heads are an affordable option to those wanting the vintage look of a great small-block head for their ride. 300" small valve A460 Heads bone stock. Here is what I think I am going to do:. I just ran down stairs and looked at the heads quick, the in are 2. Something like 385 to 370 in one test I read. 4500/575/671/559/652.
25. also keep in mind that between the twisted wedge and 165s, the tw have bigger intake valves. Tyrone, PA. 1260 Posts. For those of you who are still interested in donating to help Josh defer costs, my email is. This page was last updated: 10-Mar 23:34. The Results: With a standard Holley 1150 provided by Lem Evans on a mixture of 80% 93 octane pump gas and 20% 110... 826. Have you checked the dynamic cr with the combos? I should have dyno numbers and track times by Sunday. "We even have a cast parting line like the original heads, " says Roth. My biggest complaint is that the spring seat cup is a stamped "cheap" piece that doesn't really stop any valve spring wiggle because it doesn't locate on either the guide or the machined aluminum on the outside. Adding the Trick Flow Top-End Kit to the Ford 5. It came with 172cc runners and a larger combustion chamber.
The question would what is the best bang for the buck and which head makes the best power for your engine rpm. Recognizing this, the folks from Trick Flow put together Top-End Kits designed to work together to upgrade your 5. 40 over flatop stock style pistons. George Bernard Shaw. I can't wait to see the end results. I finally have my goals and options set up for my 496 build but wanted to get people's thoughts across my head options.
Location: Posts: 1, 897. I have a bare 350 block sittling in my garage. Not only does this help the test, but it might make gathering parts a little easier too. 3&4 (tied) Blue Thunder with the raised exhaust port and Ford bolt pattern, and the TFS Street Heat head, again with a raised exhaust port and Ford bolt pattern. I was shooting for a. According to Trick Flow tests, the exhaust port flows 198 cfm at. 700" and 5 to 10 CFM at. RE: afr 165 or trick flow twisted wedge? I still got a fair amount done. 016″ exhaust) and duration (12 degrees intake and 16 degrees exhaust). Twisted Wedge 11R 190 heads with CNC Competition Ported runners feature fully CNC-machined runners and chambers with a premium high resolution finish for ultimate performance. While all double-hump heads were cast iron, Trick Flow chose to engineer the new head in A356-T61 aluminum, as the company has no experience with iron castings. I don't like the compression that high, but I don't really see another option. I think both heads are a good choice, depending on your motor budget.
2000 rpm it would already be putting out 350 lb*ft of torque! Now AFR heads are cnc ported from the factory so they should make a little more power. But you are going to stroke it now definitaly go with the afrs you will see much better #'s. Courtesy of Charlie Evans.
Link for you nooblets out there(damn, i feel sorry for you folk running stock heads). I was thinking this might be something you could do yourself at home for little to no cost. I'm hoping to knock out the valve train this weekend. Things to note: My best MPH was with a 150 Lb. Last edited by CamaroZGuy; 12-20-2010 at 10:51 PM. Also i have been messing around with porting my self on cast iron heads and can see these have been tweeked a little bit. I am running an alum.
I might add it was done by someone who looked like they knew what they were doing and had a very neat hand (the walls were straight and the overall execution was certainly above average). There are many things to selecting the correct head and the other items as well when building an engine. Intake valves are 2. The greatest gains seemed to be in the mid-range on the exhaust ports. I don't know what my 421 has cost me as of yet because I haven't added up the bills (better that way), but I am positive it's more then most would be willing to spend.