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Search results for query: 440 source heads

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  1. TorRed

    Safe HP/TQ Level For Numbers Matching Block?

    The 4.25" crank was my plan until I became concerned about longevity / saving the block. I already have a very similar Lunati Hydraulic roller I'd like to use and would be interested in how much 'lope' you have on the 496"? I've been told our cams are on the tame side for these larger stroker...
  2. H

    440 source head bolts torque

    Does anybody know what the specs are for these bolts on their aluminum heads?
  3. cdr

    Catracs

    as Demonram said Traction, power and a good strong driveline., My Charger is a low compression pump gas 512cid , small hydraulic roller cam,ported by me 440 source Stealth cyl heads ,5kish converter, 4.1 Dana S60, Hilborn EFI, COLD AC, overdrive trans, drive it anywhere .
  4. M

    440 Head Gasket Advice

    Plan to check the heads to be sure they are not warped. 440 source head bolds were used and torqued in sequence as recommended. Nothing on the treads. Not finding ARP bolts for TrickFlow heads.
  5. BSB67

    What carb for 440

    Good to hear that you are happy with your setup. Sound like it’s running great. That said, don’t for a moment think that you are not leaving meaningful power on the table. I get that for many, that’s not a big deal.
  6. J

    Ok, time to rebuild my 505 for the street

    ...Here’s what we are going to assemble and I need a cam recommendation from the group. Bore is 4.360, stroke is 3.750 I will be using 440 source heads Stealth heads. Specs: Pistons will be: Crane 1.5 roller rockers and the engine mated to 727 with rear end gear of 3:23. Tires cooper...
  7. SixBarrelBill

    Trick flow 240 Heads with Factory Six Barrel Intake

    Thanks for all the information. That's where I'm at right now, information gathering on heads. I just ordered my 500 stroker kit from 440 Source. Because I'm going with a factory look with a lot more punch, I'm now leaning towards Stealth with CNC port and valve job. They will cost as much as...
  8. 1STMP

    Who makes Best Big Block Radiator ?

    Have you tried using a bottle or two of Water Wetter? It helps lower temperatures by reducing or eliminating bubbles or vapor barrier that form on hot metal surfaces by reducing the surface tension of the radiator fluid. Cheap fix if it works for you.
  9. hunt2elk

    SOLD Stealth Heads

    440 Source heads 200-1055. I had them on my 451 for about 3000 miles. They had new valve seals put in 40 miles ago. The pushrod channels have been enlarged to fit 3/8" rods. There is absolutely nothing wrong with them. I had some extra cash laying around last fall and bought some Trick Flows to...
  10. T

    Rebuilding 906 heads, run them or sell them?

    Thanks for the replies guys I do have the rockers for the Victor heads and the pushrods that he ran, I had them reworked as he dropped a valve in one and it needed repair. For the 906s I don’t have rockers yet, but I planned to get either the old ductile iron adjustable or 440 source. For...
  11. ThatCoronetKid

    FOR SALE 1966 Dodge Coronet 500

    1966 Dodge Coronet 500. 493” RB engine. 727 transmission. 8 ¾ rear end. The car is a fun cruiser that works well as a street/strip car. With a 3.23 rear end, the car ran 12.01 at 115mph in the quarter mile. Car is located in south Mississippi. PM for more information or pictures. $20K obo...
  12. R

    Carb sputtering on six barrell engine

    440 source stealth heads don’t have a heat crossover. This is a potential problem until the intake gets warm. drive the car for 30 minutes and then see how it works. now park it for 15 minutes with hood closed and out of the wind. Now go drive it and see how it works.
  13. Eric F

    AVS2 650 thoughts

    70 Road Runner 383 bored .060 9.3 compression 440 source heads, Mopar 272 cam( 224@ .050 .455 on cam sheet(mopar catalog shows 231@ .050) ) DP4B intake stock high performance manifolds. 2 1/2 exhaust. Current carb Street Demon 750( thermoquad looking one) 1 no mater what I do I can not get the...
  14. 6

    Head gaskets

    ...HG thickness and compression ratio. I have a 400 block that I made into a 500 stroker with all 440 source parts. I just pulled the 440 source heads and did some gasket matching. I have been running 440 source head gaskets with no issues and they have an advertised compressed thickness of...
  15. Houle #382

    What carb for 440

    Here is an example on how to figure out what size CFM carb you need. Take a 440 for example,440 CI X 5800 RPM X .085% (VE) divided by 3456 equals a 627 CFM carb so you would round it up to a 650. What some guys don't understand is an engine will only take so much air shoved into it, an engine is...
  16. R

    Lil ol 383 back from the Dyno

    440 Source Kit to 496ci with TF 240 Heads and QF 750. Side Note- the folks at the Dyno shop were very impressed with the Progressive Ignition Distributor-the adjustable timing on the fly, immediate read out were all what i have heard. but his comment was from a safety side in that he could read...
  17. tubalcain

    64 Dodge 318 to 400 wakeup

    I've got the 440 source 512 kit on the shelf. Soon, I'll order stealth ported heads and that should get me to 10.2 compression. Been thinking about that new Bluetooth connected distributer. Seems like a good idea. Re-set the timing with your phone. You don't know when, in this world, you might...
  18. ChargerChad

    How to destroy a 440

    Those don’t look anything like 440 Source heads. These are my new Stealth heads going on my 440 build.
  19. F

    Making 500whp in 2023

    906 vs 440 Source vs Edel vs TF 240 is Season 6 episode 95 . TF240 vs TF 270 is S7 Ep 114
  20. 1967coronet

    Engine runs hot in slow traffic

    At a 500/600 rpm idle will a dollar bill stay stuck to the grille ? If not it is a air flow problem. If it will you most likely have a coolant flow problem. You mentioned some 440 source parts. At one time they did have a batch of pump housings that had flow issues. How many years of crud...
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