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How do you get an engine running like this?
#1
Hey folks,
I just came across this video. Howcome the engine runs like this?

https://www.facebook.com/usamusclekingzv...355253618/

Cheers,
Vincent
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#2
A radical cam, probably 320°±.



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#3
FWIW When I was building this baby version I was told by people who know a lot more than I do that the pulsing idle is the result of a being too lean.
[Image: DSCN9883.jpg]
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#4
Blower surge is the term for it. Not uncommon in engines of this type. Can be fixed with tuning tricks but for it's intended purpose(strip), many don't bother as it's usually considered par for the course.

Mike
__________________________________
Black 1985 GT
Yellow 1973 Mustang Mach 1
Black 2012 5.0 GT, 6-speed, Brembo brakes, 3.73's
Wimbledon White 1966 F-100 Shortbed Styleside, 390ci, Tremec 3550, FiTech EFI
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#5
Money... Lots and lots of money
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#6
Aha! A search on "blower surge" brings up http://www.enginelabs.com/news/tech-quic...wer-surge/ which explains a bit and also has some cool examples. The first video is a bit extreme but the Chevelle sounds very nice I think.

Thanks.
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#7
I would not be standing in front of it.

mike

[Image: 1_11_11_13_11_50_27.png]
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#8
(04-29-2017, 09:47 PM)Bentworker Wrote: Money... Lots and lots of money

This.. 
Definitely blower surge though, overlap in the cam plus boost makes the manifold pressure do weird things.

edit- looks like I'm watching youtube videos of blower surge and 300+ duration cams for the rest of the night.. thanks alot.
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#9
Most welcome ;-)
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#10
most blower surge can be handled by cracking the butterfly a little to up the idle. I'm not real sure the big fascination with blower surge, we don't have it when nitro is in the tank.

https://youtu.be/pQHs8c1xC84
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