heyoldguy
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« on: January 05, 2014, 07:09:54 PM » |
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Pop built a 440 for his truck back in '97.
.030" over 440 9.5:1 compression L2355 pistons Stock rods ARP bolts Performer RPM intake 800 cfm Edelbrock His ported 452 heads 2.14/1.81 valves 260H Comp hydraulic cam 1.6 Crane Gold Race rockers 483 LB-FT @ 3400 rpm and 404 HP @ 4800 rpm
He installed it and stood by the living room window looking at the truck. Said, "I got it the way I want it and now I won't get to enjoy it." He died weeks later. I inherited the truck and drove it briefly and parked it.
My son is working a set of 346 factory iron heads using the stock 2.08/1.74 valves and wanted a dyno mule (we'd been talking about one for awhile) to test them and some other ideas, and wondered what to use.
Well hey, what about Pop's 440? We pulled the engine outta the truck. So off came the 452 heads and on went the 346's. Out came the 260H and in went a XE285HL. The 800 cfm Edelbrock went back in the box and an 850 Mighty Demon went on. Flycutting the pistons deeper and the 94.4 cc chambers of the heads gave us 8.9:1 compression.
Results as of yesterday, 498 LB-FT @ 3,600 rpm and 496 HP @ 5,400.
More to come hopefully.
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Ghoste
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« Reply #1 on: January 06, 2014, 06:58:04 AM » |
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Funny how people (and other animals) just sometimes know.
Anyway, that is an interesting combination with the compression ratio and all. Very good results from what looks to be a very streetable package.
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heyoldguy
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« Reply #2 on: January 06, 2014, 08:44:31 PM » |
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Removed the Edelbrock Performer RPM and installed M1 single plane.
RPM...........TQ/HP
3000........424/242 3100........423/249 3200........427/260 3300........452/284 3400........477/308 3500........480/320 3600........479/328 3700........488/343 3800........488/353 3900........485/360 4000........479/365 4100........477/373 4200........480/384 4300........488/399 4400........498/418 4500........503/431 4600........497/435 4700........490/439 4800........493/451 4900........504/471 5000........499/475 5100........493/478 5200........495/490 5300........499/503 5400........493/507 5500........482/505 5600........469/500 5700........465/505
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Kern Dog
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« Reply #3 on: January 06, 2014, 08:50:49 PM » |
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I see in this case, the M1 was worth a handful of HP and torque. Good to know. Thanks!
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heyoldguy
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« Reply #4 on: January 07, 2014, 07:49:59 AM » |
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Running a box stock M1 single plane. Lift the carb and put a 2" HVH 4 hole SuperSucker on the M1 and drop the carburetor back on.
RPM..............TQ/HP
3000............428/245 3100............439/259 3200............457/278 3300............467/294 3400............478/310 3500............488/325 3600............492/337 3700............502/353 3800............492/356 3900............490/364 4000............485/369 4100............487/380 4200............489/391 4300............494/404 4400............507/424 4500............514/441 4600............507/444 4700............509/456 4800............512/468 4900............512/478 5000............512/487 5100............502/488 5200............504/499 5300............510/515 5400............505/519 5500............495/519 5600............480/511 5700............474/515
Time to pull the heads again and maybe install some real valves.
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justcruisin
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« Reply #5 on: January 07, 2014, 02:44:23 PM » |
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How much vacuum are you pulling with that xe285hl cam, I was considering running the xe284h but am not sure if it will run my brakes. I currently have the xe275hl in a 10.2:1 440, it pulls 13" @ 900 rpm and 16" down the road.
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heyoldguy
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« Reply #6 on: January 07, 2014, 06:08:47 PM » |
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On this engine it's only about 8" @ 800 rpm and 11" @ 1050 rpm.
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heyoldguy
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« Reply #7 on: January 14, 2014, 08:48:21 AM » |
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Made a pull with the hydraulic lifters (zero pre-load cold), 2.08/174 valves, then switched to 2.08/1.81 and solid lifters (.005" hot lash).
RPM.....1.74 TQ/HP..............1.81 TQ/HP
3100.........444/262..................436/257 3300.........478/300..................468/294 3500.........496/330..................493/328 3700.........500/353..................499/351 3900.........486/361..................510/379 4100.........482/376..................507/396 4300.........485/397..................498/408 4500.........484/415..................491/420 4700.........476/426..................483/432 4900.........485/452..................485/452 5100.........478/464..................493/478 5300.........486/490..................486/491 5400.........485/498..................494/507 5500.........474/496..................493/517 5600.........437/466..................484/516 5700......................................468/508 5800......................................453/501 5900......................................446/501 6000......................................438/500 6100......................................429/498
Because we didn't make one change at a time it's only conjecture but I attribute the difference at the bottom rpms to exhaust valves and the upper rpm changes to mostly the solid lifters with some exhaust influence. Many tests left to go but I don't think I want to switch back to the hydraulics so we may never know.
Next tests will be with the solid lifters and the 346 heads with 2.19/1.81 valves flowing:
lift...........I/E
.100......81/60 .200....158/125 .300....210/176 .400....247/211 .500....274/232 .600....295/248 .700....303/257
This certainly not our best effort with this style of head as the 2.14 valves produced almost the same results. But the flow differences will still let us get some direct horsepower/flow comparisons with this type of build.
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heyoldguy
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« Reply #8 on: January 15, 2014, 08:40:52 AM » |
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Same as the test above with the M1 and 2" spacer but with the larger valves.
3000..........410tq/234hp 3100.............417/243 3200.............436/266 3300.............459/288 3400.............478/309 3500.............476/317 3600.............484/332 3700.............492/347 3800.............503/364 3900.............501/372 4000.............505/384 4100.............501/391 4200.............502/401 4300.............499/409 4400.............503/422 4500.............499/428 4600.............496/435 4700.............506/452 4800.............507/463 4900.............517/483 5000.............518/493 5100.............516/501 5200.............511/506 5300.............517/522 5400.............522/537 5500.............515/540 5600.............503/537 5700.............489/531 5800.............471/520 5900.............466/523
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firefighter3931
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572 street/strip bullet
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« Reply #9 on: January 15, 2014, 09:44:12 AM » |
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That's a very nice gain Jim....those heads are moving some serious air  Ron
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68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition authorized dealer ; contact me with your needs
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heyoldguy
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« Reply #10 on: January 28, 2014, 07:30:12 PM » |
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Made two pulls today with the EZ heads and the Racer Brown Roller from 1967. 544 LB-FT and 655 HP
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Challenger340
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« Reply #11 on: January 29, 2014, 10:48:56 AM » |
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Made two pulls today with the EZ heads and the Racer Brown Roller from 1967. 544 LB-FT and 655 HP
This is GREAT !!!  Sounds like you are having a lot of FUN with this Engine !
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Only wimps wear Bowties !
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heyoldguy
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« Reply #12 on: January 29, 2014, 05:51:02 PM » |
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Great deal of fun. Two more pulls between other projects this morning. 552 LB-FT and 658 HP. Just enough time to check plugs and see that the carburetion is way lean but not dangerous. Gotta pull the engine off the dyno and get ready for a guy's 496 BB Chevy tomorrow. Then we go back to Pop's 440 with the XE285HL using the EZ heads.
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heyoldguy
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« Reply #13 on: April 03, 2014, 07:46:41 AM » |
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So, EZ heads and XE285HL. 548 TQ and 585 HP @ 6000 RPM. 500 TQ 3500-6000 RPM. The big heads keep the horsepower going and twice we shut the 440 down at 6500 RPM where it was 595 HP.
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rednuck
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« Reply #14 on: April 08, 2014, 12:27:50 PM » |
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How much porting have you done to the EZ heads? or are they fairly stock for testing and just waiting for you guys to do your magic on them.
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heyoldguy
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« Reply #15 on: April 08, 2014, 01:17:32 PM » |
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The EZ heads have great deal of work done to them. Way more head than the 440 needs. 2.25/1.81 valves, full Max Wedge port size, 347 cfm @ .600" lift. They match the flows of our Victor heads that made 845 HP on a 500" wedge normally aspirated with a single 4bbl. We wanted to see how a big head would effect the little 440. What did kill power on the 440 was when we used an Indy 3X manifold and a 1140 cfm Dominator with the EZ heads.
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cdr
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« Reply #16 on: April 08, 2014, 07:40:22 PM » |
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QT. FROM HEYOLDGUY,,What did kill power on the 440 was when we used an Indy 3X manifold and a 1140 cfm Dominator with the EZ heads.
i am assuming the indy 3x was ported to max wedge also. & what intake worked best ?
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heyoldguy
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« Reply #17 on: April 09, 2014, 07:02:38 AM » |
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Because of the size of the ports in the heads and what I have on hand I only had two options. What I used was an Edelbrock 2495 Victor ported to near max wedge with a 850 Mighty Demon and the 3X/Dominator combination. The Demon makes good top end power but struggles with air/fuel ratios in mid range. The Indy 3X starts life a very tall Max Wedge port with a plenum you could park a motorhome in. An Indy dual plane would have been nice to test but I must use what I have on hand.
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cdr
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« Reply #18 on: April 09, 2014, 07:18:19 AM » |
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THANK YOU for the reply 
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MagnumForce
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« Reply #19 on: April 16, 2014, 09:37:42 AM » |
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Hi i am building a similar motor and i noticed that you put a mechanical secondary car with a single plane intake. Are you running a auto or a manual transmission? I have a 727 and i am not sure that intake and carb setup would work with it.
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If You Ain't First, You're Last!!
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heyoldguy
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« Reply #20 on: April 16, 2014, 06:17:11 PM » |
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Similar to which configuration of this engine? A quick answer is, for street use you are generally better off with standard port heads, a dual plane and vacuum secondaries.
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MagnumForce
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« Reply #21 on: April 17, 2014, 06:35:36 AM » |
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Similar to the engine with the cam swap after you pulled it out of the truck, thanks for the quick response, i had a feeling that would be the case. Will your engine see much street use?
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If You Ain't First, You're Last!!
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heyoldguy
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« Reply #22 on: April 17, 2014, 01:26:01 PM » |
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There is so much going on around here right now we're not sure what to do with this engine. We just got a 1974 shortbox half ton and thought it might make a good shop truck if we put the iron heads back on Pop's motor and put it in that 3.55 geared, 4-spd, half ton. Then there is the '73 Charger that is waiting for a motor.
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