Can someone run these numbers on there Desk Top Dyno? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-01-2004, 12:20 AM
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Can someone run these numbers on there Desk Top Dyno?

I would really appreciate if someone could run the numbers on this setup.......

350 SBC bored .30 over
block decked 60 thousands
Keith Black Hyper Tech pistons 11.2 with 64 cc heads
Edlebrock torker II single plain manifold
Comp Cam grind # 304H-R10 245 duration 600 lift lobe sepertion 110.0

All valve trail components are comp cam products matched to the cam.....

Edlebrock 600 non emission carb
1 inch carb spacer
1.6 roller rockers
1967 camel hump 64 cc heads turned into 202's . No porting but had a special relief cut in the exhaust chamber??
gear drive
forged crank
long tube Hedman headers. 2.5 dual exhaust with x pipe all the way out
Mallory Comp 9000 distibutor
MSD 6 ignition box
Electric fan
Mildon Windage tray
Mildon 8qt oil pan

And what could I change with this setup to gain the most HP. I have this motor in my 66 Impala with a 3200 stall. Car runs excellent.. I get 14 miles per gallon in town on 110 VP race gas and the motor is still super fresh with just turning over 1000 miles on Sunday........


Thanks for the help.......

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Old 06-01-2004, 01:32 AM
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it looks like a good combo you have there, it "dynos" at
428Hp @ 6500
380Lb.Ft @ 5500

the first thing to change is the carb, it go for a 750 to 780 cfm, and the cam.. without changinging anything but the headt to a set of dart iron eagle 220, the cam to a extreme energy XR300-HR10 and the carb it jumped to

535Hp @ 6500
465LbFt @ 5500

running the camel hump heads cuts about 60 Hp of the top, but the roller cam and bigger carb is still somthing like 60 Hp over what you are running now
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Old 06-01-2004, 01:36 AM
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setup

Deuce how will the cam you recomended perform compared to the comp roller cam I have now? The numbers on both cams are very similar..... I really like the way the car drives now. Motor cost me zero dollars, so in saying that... I am really stoked with the way it runs......!!!!! So what do a set of Dart heads cost? Would I most likely want to run all my comp cam valve train out of my camel humps heads?

I talked with comp cams before we ordered the cam and they recommended my current cam........ But that is the trick to hotrodding..... Oppinion's vary...... And I am open to learning...

So if I keep my cam and do a carb and head swap I could gain another 50HP????

And I wanted to go with a Demon carb and they recomended a 650? So obviously there is a lot of oppinions on carb's. I just do not want to over carb. How much differece from a 750 to 780? And what type of carb is better .... Holley or Demon? What about Edlebrock's 750?


If I tried to run a blower with my setup would it work at all??

Also I have 3.73 rear gear with single tire fire. I am bumbing up to a 700R Yanks built tranny with 4.56's posi. That should feel like another 50 HP for sure.....!!!!! And from the information I have read. 4.56's with an overdrive will be 2300 RPM at 70 mphs....

Thanks so much Deuce Here is a sound clip of my car

You will notice I have 530 HP SBC at the beginning of the video. My desk top dyno always came up with number between 502 and 532 HP. So I am obviously doing something wrong on the desk top dyno....

66 Impala

Last edited by black66; 06-01-2004 at 02:22 AM.
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Old 06-01-2004, 02:49 AM
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aah i guess ive just found a problem, the grind number you posted, well i guess i enterd it as a hydraulic flat tappet... no wonder it liked the hydraulic roller better...

so stick with the cam you have.. Id try out a bigger carb if i were you, borrow a 750 holley or edelbrock and see if you can feel the difference, my dyno 2000 really responded, but its not certait youll feel much diference driving the car, except more fuel consumption and alittle more top end pull

But the heads you are running are the big restriction. if you want to really get the full potential of the motor youll need to change to a set of better performers, dart iron eagles arent all that expensive, especially i fyou sell the heads you have on there now it shouldnt break the bank. but there are other and better heads out there, im just not sure they are worthe the price difference...

http://cgi.ebay.com/ebaymotors/ws/eB...category=33617
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Old 06-01-2004, 11:07 AM
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Dyno

So Deuce do I have a new Dyno HP from re running the numbers with my roller cam? New heads in next in line........ ha ha Thanks a bunch for the info. I truely appreciate it....

Dave
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Old 06-01-2004, 04:15 PM
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yeah Id say 700- 750 cfm... Im thinkin a 700 with a 1" open spacer might work real well

what.. I just noticed your runnin KB Pistons...I dont think Id feel comfy runnin 6500-7000 RPMs with KBs.. 6500 tops & Id be a little leary at that.. so if you stay within 6500 RPMs I think a 670 Holley Street Avenger would be perfect. John

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Old 06-02-2004, 11:29 AM
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Yes I agree the 600 is too small I'd go with the 750-780 Double pumper like said.
Personally I would stick with the double humps,ut thats my opinion because I have a thing about mailorder hotrodding and aftermarket parts.
Also with the 700r4 and 4.56s you plan on,remember the 700r4 has that nasty 1st gear so you'll come outta the hole like you got 5.57s,not that thats bad thing.
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Old 06-02-2004, 02:52 PM
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You can't run that setup with KB pistions and your (most likely) stock bottom end. That crank and those rods are going to let go. Better re-think your setup.

Blower is completely out of the question. You don't put a blower on a motor you put the right motor under the blower.

K
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