My RS5 thoughts and wishes.
05-15-2007, 05:13 AM
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My RS5 thoughts and wishes.
450HP, 500 lbs of torque and 8000 RPM redline do not match. I forgot the formula, but the torque would have to be way below 500 ft-lbs at 7000 RPM for the power to be less than 500 HP.
My take, the RS4 will be a twin turbo, but the current S4 V8 with FSI not the RS4 8200 RPM V8.
This makes sense as Audi pretty much offered that engine combo in the last RS6. It also appears to be much cheaper than the engine in the current RS4 based on the rumors from Champion Motorsports.
Finally, IMHO price will be same or less than the current RS4. Everyone loves numbers, and selling few thousand RS5s would not be that bad. (This is achieved by using a cheaper engine.)
Of course I would love Audi to prove me wrong. 8200 RPM redline and twin turbos would be unique.
As to wishes... CF roof with no sunroof for us tall bodied types.
Of course I can have a 8200 RPM redline and sunroof delete on the B7 RS4, not to mention 4 doors.
My take, the RS4 will be a twin turbo, but the current S4 V8 with FSI not the RS4 8200 RPM V8.
This makes sense as Audi pretty much offered that engine combo in the last RS6. It also appears to be much cheaper than the engine in the current RS4 based on the rumors from Champion Motorsports.
Finally, IMHO price will be same or less than the current RS4. Everyone loves numbers, and selling few thousand RS5s would not be that bad. (This is achieved by using a cheaper engine.)
Of course I would love Audi to prove me wrong. 8200 RPM redline and twin turbos would be unique.
As to wishes... CF roof with no sunroof for us tall bodied types.
Of course I can have a 8200 RPM redline and sunroof delete on the B7 RS4, not to mention 4 doors.
that would definitely respark my interest
05-15-2007, 08:49 AM
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Here are my RS5 and B8 RS 4 thoughts and wishes.
I would much, much rather have an all new FSI VL V8 with 4.5L of displacement (sadly, Audi's current V8 cannot be anything larger than 4.2L due to the block or something like that) with an 8,200 or 8,250 RPM redline producing 450/456 SAE/DIN hp/336 kw @ 8,000 RPM and 354 lbs/ft of torque/480 nm @ 4,000-6,000 RPM.
Much better reliability and durability than a twin turbo V8 with much better fuel economy (which would most likely still be poor), much lower cost, much less weight with better weight distribution, much less complexity and better handling, steering, braking, quietness and ride.
Much better reliability and durability than a twin turbo V8 with much better fuel economy (which would most likely still be poor), much lower cost, much less weight with better weight distribution, much less complexity and better handling, steering, braking, quietness and ride.
05-15-2007, 09:57 AM
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RS6.com has specs/info that the RS5/RS6 will use a 5.0 liter engine
<ul><li><a href="http://www.rs6.com/forum/showthread.php?t=11945&page=3">Seems Legit</a></li></ul>
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05-19-2007, 05:38 AM
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I don't buy it for a second
There is no way on Earth that even a force fed V8 much less a force fed or regularly aspirated V10 will fit in the engine bay of the B8 RS 4 and RS 5. No offense, but you are delusional if you think that source seems legit (at least in this case if not usually).
Not to mention, the Getrag six-speed manual transmission can reliably and durably handle a maximum of 443 lbs/ft of torque/600 nm.
Therefore, a high revving (8,200 or 8,250 RPM redline) regularly aspirated FSI VL V8 with either 4.2L of displacement (the current V8) producing 420/426 SAE/DIN hp/313 kw and 332 lbs/ft of torque/450 nm or 4.5L of displacement (all new engine if this is the displacement) producing 450/456 SAE/DIN hp/335 or 336 kw and 354 lbs/ft of torque/480 nm is the safe bet for the B8 RS 4 and RS 5.
Not to mention, the Getrag six-speed manual transmission can reliably and durably handle a maximum of 443 lbs/ft of torque/600 nm.
Therefore, a high revving (8,200 or 8,250 RPM redline) regularly aspirated FSI VL V8 with either 4.2L of displacement (the current V8) producing 420/426 SAE/DIN hp/313 kw and 332 lbs/ft of torque/450 nm or 4.5L of displacement (all new engine if this is the displacement) producing 450/456 SAE/DIN hp/335 or 336 kw and 354 lbs/ft of torque/480 nm is the safe bet for the B8 RS 4 and RS 5.