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Old 25-10-2019, 01:43 PM   #65
Cobra
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Join Date: Dec 2004
Location: Adelaide
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Default Re: R-Spec 2020 Mustang

Quote:
Originally Posted by Bossxr8 View Post
Looks like I was correct. Here's a quote from Rob Herrod.

Mr Herrod explained that upping outputs of the Mustang’s ‘Coyote’ 5.0-litre V8 by around 179kW and 258Nm using a supercharger required no changes to the engine internals due to its sophisticated quad-cam design.



“It’s a high-compression engine but with the quad cams we can actually bleed off compression through valve timing,” he said.



“You don’t have to put lower compression pistons in to supercharge the engine and for it to live, you can actually bleed the compression through the inlet and exhaust valves. It’s very complex.”



Mr Herrod said the electronic engine re-calibration to achieve this “comes from Ford’s end”.




Yeah Super Duty has some beefed up internals, but it's mostly the same box.



https://www.goauto.com.au/news/ford/...-10/80301.html



What is with Ford Australia's stubborn refusal to put decent rubber under the bum of their supercharged V8 cars? It would have been so easy this time, with PP2 already having 305's. Even if the rear end needed to be upgraded to handle the extra grip they have a number of options from the FRPP catalogue to use, which are also used in the GT500 like the half shafts, stronger diff cover etc.
If that's the case, then what does it say for the aftermarket that fits these superchargers? Do they not have the ability to bleed off compression? Or is Rob merely stating that Ford have tuned this car as opposed to him.
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