BBC 572 Pump Gas Results with and without NOS>>>> - Team Camaro Tech
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post #1 of 12 (permalink) Old May 5th, 16, 06:15 AM Thread Starter
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Chris
 
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BBC 572 Pump Gas Results with and without NOS>>>>

Note this is a hyd roller cam and it is on a 109LSA. I preach that NOS cams were developed in a marketing department. You can have power on and off the bottle and this build proves it:

Just got home, I am like a kid I am so giddy! Thrilled with it. I find the following three people so awesome, Steve Johnson Induction Solutions, Chris Straub (Straub Technologies) and Scott Foxwell - top notch guys. This is not a track motor, it's a 10.0:1 compression pump gas street terror deal. I drive my car everywhere on the street, so that makes what I need to be a little different than some.

Recap on motor:
Induction Solutions Sledgehammer plate
Gm 572 short block, now w diamond flat tops, upgraded rod bolts
10.0:1, BP 93 pump gas
AFR 335 heads from Chris Straub, Scott Foxwell did some work to them, they are same shop
Super Victor from Straub
1050 AED carb
Straub hydraulic cam, morel lifter. 109 lsa. 270ish/low .700's

To the numbers.......

On motor:
815.9 @ 6200
733.2 @ 5200
Made 629tq at 4200 where we started the pull, flat Tq curve. I'm sure we left power on the table due to limited time, this was not using my carb spacer, plate was on it, etc. I think 850 was maybe possible but I wanted to get to the bottle which is how I run the car.

On 150 shot, took 11 out
983/910

On 350 shot, took out 19 degrees of timing, SAFE first run
1,202.3 hp @6200
1,137.6 Tq @5500 !!! got Torque? Dyno shop / engine builder were blown away by that number, dyno is not customer friendly bull **** deal, he said that's a great number.
Lowest power seen on this jet was 1,181hp

I'm just happy and thankful. I will work the jetting up and timing in due time. But, this was a very successful day for me. We were going to go up another 150, I said no, this was good enough for me.

What to you guys think? Not too bad right? Regardless, it exceeded all of my expectations.

Chris

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post #2 of 12 (permalink) Old May 5th, 16, 09:26 AM Thread Starter
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Here is the car:

https://scontent-atl3-1.xx.fbcdn.net...7d&oe=57E30022

Chris

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post #3 of 12 (permalink) Old May 6th, 16, 02:57 AM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Wow Very impressive numbers. My 572 was just done being built and next in line for the dyno as of late yesterday. Granted, mine isn't going to pull nearly what yours did, but I am still excited to see where the bar gets set for me
Nice looking car. Congrats and good luck with her.

'68 Camaro with RS conversion
Moser 9" with 4:11
Martz Chassis 4-link and Front Sub-frame
Tremec T-56 Magnum 6 speed
572 BB - CM Engines
Wilwood 6 piston front and 4 piston rear disc
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post #4 of 12 (permalink) Old May 6th, 16, 03:24 AM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Nice job, Mr. Straub.

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post #5 of 12 (permalink) Old May 6th, 16, 09:03 AM Thread Starter
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Quote:
Originally Posted by Everett#2390 View Post
Nice job, Mr. Straub.
Customer is pretty stoked. I will post back the track results....

Chris

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post #6 of 12 (permalink) Old May 6th, 16, 12:44 PM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

That'll get you a few tickets ....

Nice numbers

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #7 of 12 (permalink) Old May 8th, 16, 05:32 PM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Nice, which morel lifter? Have never seen a hydraulic roller with over .700. Most I have found is .680. What did you use for springs and pressure? Thanks.
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post #8 of 12 (permalink) Old May 9th, 16, 07:34 PM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

very cool

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post #9 of 12 (permalink) Old May 10th, 16, 03:48 AM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Quote:
Originally Posted by cstraub View Post
Customer is pretty stoked. I will post back the track results....
Wallace Calculator - since I don't have mine from home
1100 HP, 3000 lb, 3 gears, 4.10, 26 inch tire = [email protected] (1/8 mi = [email protected])
Same as above, 2300 lb = [email protected] (1/8 mi = [email protected])

Impressive 2.3 HP per lb

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post #10 of 12 (permalink) Old May 10th, 16, 01:39 PM Thread Starter
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Quote:
Originally Posted by Everett#2390 View Post
Wallace Calculator - since I don't have mine from home
1100 HP, 3000 lb, 3 gears, 4.10, 26 inch tire = [email protected] (1/8 mi = [email protected])
Same as above, 2300 lb = [email protected] (1/8 mi = [email protected])

Impressive 2.3 HP per lb
Everett,
Thanks for running some numbers. Customer is pretty stoked about it. He said he has had a bunch of people contact him about the build. It started life as a ZZ572.

Chris

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post #11 of 12 (permalink) Old May 10th, 16, 05:57 PM
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

You're welcome

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post #12 of 12 (permalink) Old May 12th, 16, 06:45 AM Thread Starter
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Re: BBC 572 Pump Gas Results with and without NOS>>>>

Quote:
Originally Posted by fiveforty View Post
Nice, which morel lifter? Have never seen a hydraulic roller with over .700. Most I have found is .680. What did you use for springs and pressure? Thanks.
Sorry I missed your question. It is the 4603 Morel with 200# seat and 500# open load. I've got several lobe that are in the .400 to .420 lobe lift area.

If a customer uses the Morel 5470 .903" lifter then the use of a solid roller lobe can be done.

Chris

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