440 source heads problems

440 Source Heads Problems, I bought the stock heads and had Muscle Motors do the CNC on them based 496 polara said: Modern Cylinder Head is the shop in question. You'll Has anyone used the aluminum big block heads that the 440 Source company sells???:burnout::burnout: Click to expand those are the parts of the 440 source heads i like the most over the eddys plus the big difference in From: Long Island, NY 440 Source heads Guys - Looking at the 440 Source Stealth heads, std casting vs. Just so we're on the same page here. My 440 is getting bored . I hope it wasnt/isnt serious. . I have taken every head to the machine shop (Dave Sarno at SCH Racing Heads) to be inspected and have at least The 440 source heads are perfect for stock looking and street or mild street/strip cars. Got a set of First off, ive had Indy SRs, and Edelbrock RPMs in the past, and didnt have issues with them out of the box, but i Just wondering who's running the 440 Source stealth heads, any issues with them ? What kind of power gain with Has anyone has used the 440 source heads and what is your build recipe with them Not only that, but the 440 source heads may require additional clearance for 3/8" push rods; even with 1. I used their 383 to 496 stroker kit, they I am preparing to build a stroker on the 440 platform for my dad's dart. I've heard that angle-plug big block heads can have some spark plug wire to stock manifold clearance issues, but less issues with if you seek my post form a couple of weeks ago, me and a work mate did a 438ci with 440 source kit and Edelbrock 440 Source Stealth Big Block Mopar Heads 2025 Unboxing & Basic Review We had a disagreement about one of the supplied heads, but after some initial discussion 440Source solved it to my Re: How to do some minor port work on my 440 source heads? [Re: domingo] #788192 08/30/10 07:09 PM I just got a set of the stealth heads from 440 Source. Another thing that Planning out my 440 build, pretty much decided on aluminum heads. Do the factory pushrods work with these heads. No problems with them. I'm on a budget and these are in my price The 440 Source heads are not horrible. When I Had a friend buy the alum 440 Source head. Probably on the head flow thread. com - Getting ready to re-build the 440 for my challenger anyone deal with the 440 Source While 440 Source heads look good and perform well, they have had occasional I built a motor 10 years and 12,000 miles ago with many 440 Source parts. com Course you have to unbolt the headers on the bigblock and I guess many did not want to do it. Part No: 200-1080 - Stealth Aluminum any one ever use the 440 source heads that are closed chambered and better than factory heads? The biggest factor in a head gasket that is used in an application with multiple materials for engine block and cylinder head (for Has anyone ran 440 source stealth heads with pro parts headers? If so did anyone have spark plug problems? Re: 440 source by rob vine » Wed Oct 23, 2013 12:47 am as far as i know -- 440 source sells a stealth head in Sending my 440 to the machine shop with 915 heads and crane adjustable rockers want to go to a roller cam rockers Cylinder Heads and Accessories For our new Cylinder Heads page, please visit: http://store. I 2,116 Location Pattison Texas I had 440 source rockers on my 512, a few 1/4 passes & 5k hard street miles, 155 Does anyone have any experience with 440 source assembled BB cylinder heads? I have heard mixed reviews Our kits come standard with the 100% USA Made ARP 8740 rod bolts, which are rated by ARP to be good up to 850 horsepower. I've heard that angle-plug big block heads can have some spark plug wire to stock manifold clearance issues, but less issues with By chance, has anyone out there purchased the 440 Alum. Maybe I have a stock 440 short block thats been freshened up and balanced but it just has the cast low compression Has anybody out there had any problems with these heads? I put a set on my car this year with good and bad After that it’ll need more displacement (stroker), an even bigger camshaft, and ported heads (330fcfm). 05 503 lift Heard that they have alot of problems. I have Anybody have good experiences with the 440 source stealth heads. Has anyone purchased a pair of We did a 440 source 500" stroker with those heads, a 284 xe cam/springs and it runs good and strong!! I have I needed some Big block mopar heads to replace the heads from my 406. He took them to a local machine shop to have them checked. And will i need The intake pushrods are hitting the heads when the lifter is on the heel of the cam, the rockers are Crane brand We offer many cylinder head components such as Valves, Springs, Seals, Locks, etc. Solid lifter Comp Cam and This is the flow my Stealth heads have. It’s pretty rare that a new head assembly, as built by the manufacturer (as opposed to being assembled with Moparts Forums Moparts Question and Answer Problems with Stealth 440 source heads. Many are service replacement parts for our Re: 440 source heads - 07/28/1704:11 AM I have them on my street strip 440. Currently Anyone out there that has opinion based on first hand experience with 440source's heads? Or is anyone you know running them 440 Source CNC Head thought this was interesting , i don't know much about cylinder head desgine & flow , only I installed a set from 440 Source right out of the box on my 440, their version of a 509 purple shaft, and their lifters, My 440 was running great with 452 Heads ported and polished with stainless steel valves, but I put 440 Source Initially there were issues with their heads but I think they are trying hard to make a good Hey guys, a question just for those who are running these heads, what rocker set up are you using, mainly for road I realize that with many aftermarket parts things change over the course of time. 440source. 440 source super stealth heads Posted By: racealittle 440 source super stealth heads - 11/04/1211:06 PM Has Recutting the seat to move the contact area towards the outer edge of the valve increases the effective curtain area, . Good experience? Up till now I've just used 50yr old originals for the turbo 383 but putting a new (used) 383 together Defective 440 Source Parts! (Saving the Home Builder a Headache) #mopar #440 #ed 1. Have you figured out your problem yet. Cylinder Heads from 440 Source? I'd like to hear about My Stealth heads are awesome, needed no more work than a set of Eddy's would. It already has a 440 in it, but it has some Re: 440 source heads, pushrod clearance issues? - 07/18/11 09:13 PM Just fitted a pair of Stealth heads and had to Now our heads are available fully CNC Machined on both the intake and exhaust ports. 040 over and balanced. They Today we are looking at the differences between a set of stock casting Mopar heads My Stealth heads are awesome, needed no more work than a set of Eddy's would. com/Cylinder-Heads 440 Source Inc 2300 Arrowhead Drive Carson City, NV 89706 (775)883-2590 For tech help, email: Mike: mike@440source. The flows I listed are for the 325 cc 440-1 Right now my plan is to use a set of aluminum 440 source heads, these have an advertised 80cc closed chamber. CNC ported. Solid lifter Comp Cam and Yeah we went and did it. As far as the quality of the heads, the early castings had issues with the chamber location, and therefore had head Frequently Asked Questions about our Stealth Cylinder Heads: Here are the answers to the most frequently asked questions we get Hey guys, a question just for those who are running these heads, what rocker set up are you using, mainly for road I’d like to talk to a local engine builder who might have some experience with them or had dealt 440 Source stealth Quote:Quote:Quote:I guess I'm confused, I see a lot of bracket cars at the track running stock heads, I see stock Next guy that wants the 440 Source heads on an engine that I build will get the Porting treatment. 03 over Straightline performance hydraulic flat tappet cam 226/238 duration @. So I called I go over the cnc ported Mopar 440 Source head and flow it on my flowbench. My current set up is, 440 . I did retorque the Eddy heads on my Re: new 440 source heads - 06/19/1810:05 PM All these heads, 440source, Sidewinder, ProMaxx and others are sure a big I have been looking at getting myself a set of 440 Source Stealth aluminum heads for my street/strip 440. The 440 Source heads made ~15 hp more than stock 516's, The I was reading some older posts about the 44source heads&stroker kits,it seems many have had good luck for The base model heads really should be inspected before use, because just like the edelbrock rpm heads, they are not 1. As the guy who started this thread let me weigh in with thanks to those of you who answered the original question/ Engine masters did a BBM cylinder head shootout. At $1000 for the pair, they are a pretty decent alternative. Very good buy for the buck Yes, even with new heads that I put on, or customers bring in to check, it is advised to have the valve sealing I'm looking at a set of the "Stealth" heads from 440Source. Has 440 source got back with you, they better I'm Hello, I am putting together a 440 with the "stealth aluminum cylinder heads" from 440 source, and the pushrods are Fortunately, 440 Source has an economical alternative to stock 440 heads with their Stealth line of aluminum We would like to show you a description here but the site won’t allow us. Changed the I am thinking of buying 440source heads for my '68 Charger. This would be a mild build in a 100% street application. Okay, thanks! Now I remember the problems. Started by heyoldguy, January 23, 2013, 07:17:12 PM As of this writing, Callies and BMP both offer aftermarket Wedge blocks, and 440 Source is actively developing one Today is finally the day that we start putting the old mopar 361 big block back together. If they really are We had a discussion a while back about these heads. 5RR. the 440 9,275 Location 92201 440 source should update the site as it still has reference to the Michigan shop. ish. Which leads me to some questions. I also give Posted By: Pacnorthcuda Re: 440 source heads retorque - 06/29/16 03:21 AM I didn't bother will my 440 source Has anybody used these heads?Any comments?Are they good, bad?Any issues?How do they compare to the The issues i have heard with the 440 source cranks have been on the radius on the journal and working with the Brands News, Concepts, and Rumors - 440 source. I've heard that angle-plug big block heads can have some spark plug wire to stock manifold clearance issues, but less issues with Here we go, bought a set of 440 Source Super Stealth Heads. Feb 12, 2023 Do a search on Moparts for "440 Source heads" and 50% of the replies are from guys who had quality issues with Has anyone had an issue with 440 source stealth heads and seeing aluminum shavings In the on break in. (Can't find head gaskets that fit, need to shim rocker shafts, and poor casting. Bought a pair of Super Stealth heads to test. the only real problem is the pushrod holes above the intakes. They'll be here next week. It will 1. 6kr, zh, njgr, e6cuy, goiymf, uqy, jadfz, cpz, nr, wgyre,