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Re: cam suggestions for 440 [Re: Dougsmopars] #359973
06/29/09 07:01 PM
06/29/09 07:01 PM
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Canada
CrAzYMoPaRGuY Offline
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Here's my two cents worth........


I just went through the same dilemna, picking a cam for a mild car... My Jensen is 3500ish pounds with highway gears.
It'a a 440 .030 over with a measured 9.35 to 1 compression (now), very mildly ported heads, headers, and I went with two Edelbrock 500s on an Edelbrock CH28 lowrise intake.
I really thought about both versions of the MP 484 cam, but ended up going with the Comp Cams 270H. I'll have it running in the next little while and post the actual driving impressions, but I researched as much as I could and I think it's what I wanted. I hope it works out...


CrAzYMoPaRGuY
Re: cam suggestions for 440 [Re: Mr.Yuck] #359974
06/29/09 07:22 PM
06/29/09 07:22 PM
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Dougsmopars Offline OP
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The 509 was in a 4 speed car with 3;91's Car was quicker with the stock 440 cam. I should have listened to the local speed shop. They build some pretty quick Mopars. He told me that 509 was too much for a basicly stock 440 that i wouldn't be happy. He was right

Re: cam suggestions for 440 [Re: Dougsmopars] #359975
06/29/09 07:23 PM
06/29/09 07:23 PM
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Dougsmopars Offline OP
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The car i'm looking to change the cam in is automatic. 2800 stall and 3;55's

Re: cam suggestions for 440 [Re: Dougsmopars] #359976
06/29/09 07:25 PM
06/29/09 07:25 PM
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Dougsmopars Offline OP
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And forget all about the Holley. It ain't happening. I hate them i hate them i hate them.

Re: cam suggestions for 440 [Re: Dougsmopars] #359977
06/29/09 07:26 PM
06/29/09 07:26 PM
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landon1 Offline
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probably because it would bleed off too much compression...and you don't start making power til 3K or so...i wanted to get the 509 when i was informed only by chevy guys when i was 16 on what to do with mine...glad i waited and did my research.

i really can't wait to get mine back together. the XE268 is pretty popular as it uses stock converter and is still supposed to have a bit of a lumpy idle.


'71 Satellite Sebring 440
Re: cam suggestions for 440 [Re: Dougsmopars] #359978
06/30/09 07:05 AM
06/30/09 07:05 AM
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Brookeville, Md
Mr.Yuck Offline
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Quote:

And forget all about the Holley. It ain't happening. I hate them i hate them i hate them.




then I guess you don't want the best out of your engine. When I was young I hated them to, but after you mess w/ them and READING how they work they are really easy to tune. and MUCH more tunable than the eddy or cater carbs. a 750DP is much more carb than the 800 thunder. Before you give up on the Holley read about it.


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Re: cam suggestions for 440 [Re: Mr.Yuck] #359979
06/30/09 07:53 AM
06/30/09 07:53 AM
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Dougsmopars Offline OP
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When i was young i hated Holley carbs. 35 years later i still hate Holley carbs. If they were so great and so dependable then tell me why through out the muscle car era very few cars came out of the factory with a Holley?

Re: cam suggestions for 440 [Re: Dougsmopars] #359980
06/30/09 07:56 AM
06/30/09 07:56 AM
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Grand Haven, MI
patrick Offline
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Quote:

is this the one your useing? Thyis is the one i was looking at. LUN-60303LK
Cam Style Hydraulic flat tappet
Basic Operating RPM Range 1,800-6,200
Intake Duration at 050 inch Lift 226
Exhaust Duration at 050 inch Lift 234
Duration at 050 inch Lift 226 int./234 exh.
Advertised Intake Duration 268
Advertised Exhaust Duration 276
Advertised Duration 268 int./276 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.494 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.513 in.
Valve Lift with Factory Rocker Arm Ratio 0.494 int./0.513 exh. lift
Lobe Separation (degrees) 110
Camshaft Gear Attachment 3-bolt




that's the one I'd go with, just make sure your springs can handle the lift. another good choice would be an Engle 2356-H. it's 272 adv, 224@.050, .504" lift, same lobe intake and exhaust.

Last edited by patrick; 06/30/09 08:03 AM.

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2017 Grand Cherokee Overland
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Re: cam suggestions for 440 [Re: patrick] #359981
06/30/09 08:04 AM
06/30/09 08:04 AM
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Dougsmopars Offline OP
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I'll check spring pressure but should be fine. Cam in car now is big lift long duration and a lot of overlap. Way to much cam for a basically stock motor. It doesn't seem to come alive till around 4000 RPM. Cam specs are unknown. Previous owner would only tell me it's a racer brown cam. Probly be a good cam if you were running 4;57 gears. But not good in the street with 3;55's

Re: cam suggestions for 440 [Re: Dougsmopars] #359982
06/30/09 09:00 AM
06/30/09 09:00 AM
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Brookeville, Md
Mr.Yuck Offline
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Quote:

When i was young i hated Holley carbs. 35 years later i still hate Holley carbs. If they were so great and so dependable then tell me why through out the muscle car era very few cars came out of the factory with a Holley?




some did as a matter of fact all 6 pack cars had them and I thing 383 4 speed cars came w/ them. If the carter design is so great why is it NASCAR and NHRA Pro-stock guys use the holley design?
Carters were cheaper than Holley's I'm guessing is the main reason.


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Re: cam suggestions for 440 [Re: Mr.Yuck] #359983
06/30/09 03:03 PM
06/30/09 03:03 PM
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landon1 Offline
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lots of fords have holleys...2 and 4 barrels


'71 Satellite Sebring 440
Re: cam suggestions for 440 [Re: landon1] #359984
06/30/09 04:16 PM
06/30/09 04:16 PM
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Dougsmopars Offline OP
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enough with the carbs. THE CAR IS NOT GETTING A HOLLEY !!!!!! End of story. Post was a question on cam choise not carbs.

Re: cam suggestions for 440 [Re: Dougsmopars] #359985
06/30/09 04:23 PM
06/30/09 04:23 PM
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Are you leaning towards a certain group of cams, or?
I was looking at the Comp 268 dual patterns, the MP 484 (two different grinds), the 270H Comp which I went with and a few others...

The 270H has only .470" lift but I think it should be a good cam for a street/strip car that sees more street than strip, and my highway-ish gears and reasonably heavy weight factored in my decision as well my 9.35 to 1 compression..

Are you more a street cruising kinda guy with the occassional pounding, highway driver, or..?


CrAzYMoPaRGuY
Re: cam suggestions for 440 [Re: CrAzYMoPaRGuY] #359986
06/30/09 04:35 PM
06/30/09 04:35 PM
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Holland MI Ottawa
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Crane makes a max velocity grind. Its old school but the cam and lifters are under $150. They have a 228 deg @.050 with 480 lift. Not a mopar spec grind but many 440s back in the day ran this type of cam with great results.


Keep old mopars alive.
Re: cam suggestions for 440 [Re: 2boltmain] #359987
06/30/09 04:44 PM
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landon1 Offline
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Comp XE 268 specs:

268/280

224/230 @ .050

.477/.480 lift

1600-5800 power range



'71 Satellite Sebring 440
Re: cam suggestions for 440 [Re: Mr.Yuck] #359988
06/30/09 05:14 PM
06/30/09 05:14 PM
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mark7171 Offline
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Quote:

Quote:

And they are really easy to tune. and MUCH more tunable than the eddy or cater carbs. a 750DP is much more carb than the 800 thunder. Before you give up on the Holley read about it.




THe AVS 800 carbs are awesome on the streets. A Thunder 800 avs will provide more than enough on a 440 as a bolt on. The secondaries are mechanical, makes a 4 speed car feel like its performing better.

The 850 DP won't be happy with the higher/lower numerical gearing 3 series. 850 Will dump too much fuel for a mild cam. with no converter slipping it can be more sensitive to DP bog. Hollies also seem to like single plane manifolds. THE AFB/s , quads, and q jets seem to like dual planes.

Owning about every carb, here there is a luxury to try them out and setup what works best. And for what purpose. 600-850 edelbrock AFB/AVS/Holley/demon.

A hughes 2330 or 3310 hyd cam are fine , 223-230 duration .050 and .480-530 lift. If you have the compression at least around 9 to 1.

Performer dual plane/ or weiand action + with a AVS should be killer. With a 3.23 gear and 4 speed all the downshifts and up shifts will be at perfect times for spirited driving.

Keep the mechanical seconaries with the 4 speed. Just don't squirt as much fuel. It don't have a 3000 stall 850DP's will dump too much.

Last edited by mark7171; 06/30/09 05:26 PM.
Re: cam suggestions for 440 [Re: mark7171] #359989
06/30/09 05:57 PM
06/30/09 05:57 PM
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Dougsmopars Offline OP
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cars an automatic. stall unknown. I'll be putting in a 25 to 2800 when i do the tranny. Gears are 3;55 or 3;91. I'll check tomorrow to know for sure.No tach in the car right now and speedo bounces to much to know for sure the actual speed. Have another cluster that was restored on the way with calibrated VDO tach installed. Car is not going to be raced. I'm just looking to get some good red light to red light thrills. Looking to make plenty of low end torque. A real good tire fryer

Last edited by Dougsmopars; 06/30/09 05:58 PM.
Re: cam suggestions for 440 [Re: Dougsmopars] #359990
07/01/09 07:33 AM
07/01/09 07:33 AM
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Grand Haven, MI
patrick Offline
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if you want a torquey stoplight to stoplight motor, keep the cam in the 224-230@.050 range (spec wise, I think I like the voodoo 60303), and I'd ditch the torker for an edelbrock RPM intake.


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: cam suggestions for 440 [Re: patrick] #359991
07/01/09 11:08 AM
07/01/09 11:08 AM
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Watertown, WI
MikeyT Offline
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My car is very similar to yours in size and set up. I actually think you might be closer then you think. I would keep the carb you have, I had a buddy help me set up my 770 Holley street avenger and its jetted up some, but sticks rock solid for as long as I've put it on. I had to step up one jet size to make it perfect.

It sounds like a 750 double pumper is plenty of carb for your build. Streetwize sells a online book here, that talks a lot about street car performance.

Streetwize, in his book even claims that lots of guys with 440's get great performance using even a smaller 650 Holley DP, depending on the other factors in the build. Yet, for a build like yours, you would be hardpressed to need anything above a 750 dp.

Here is my suggestion from both the dyno and butt dyno. I run a Comp XE268, that I had degreed.

It runs strong and gives a deceptive, but nice idle with good vaccum for my power brakes. It also has a very workable power band

Mike


1969 Dodge Dart Swinger
Re: cam suggestions for 440 [Re: MikeyT] #359992
07/01/09 01:57 PM
07/01/09 01:57 PM
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Melbourne, FL
dwbiggs Offline
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Quote:

enough with the carbs. THE CAR IS NOT GETTING A HOLLEY !!!!!! End of story. Post was a question on cam choise not carbs.




Chicken!!!!

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