Rear wheel horsepower, How much should I have |
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Rear wheel horsepower, How much should I have |
porschefile2010 |
Apr 24 2013, 01:41 AM
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#1
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Member Group: Members Posts: 228 Joined: 26-May 11 From: Whangaparaoa, New Zealand Member No.: 13,118 Region Association: Australia and New Zealand |
So, we finally have the rebuilt engine back in the car and we decided to tune it on a "rolling road" to make sure we got the mixture right.
So this is a 75 2.0 with standard FI and no emmissions gear on it. I had sort of hoped for around 75hp at the wheels but it has come out at 57hp rwhp. Engine has new AA pistons and cylinders and the standard 2.0 heads so does this sort of number sound right and if it's way short what could be the problem. Also, will it get better as the new pistons settle in. I go get the car on Friday so will put some pics up then |
porschefile2010 |
Apr 25 2013, 01:44 AM
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#2
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Member Group: Members Posts: 228 Joined: 26-May 11 From: Whangaparaoa, New Zealand Member No.: 13,118 Region Association: Australia and New Zealand |
I thought I had read that the early 2.0's put out around 95 at the crank and the later ones something like 80. I know there are differrent measure of bhp and I am not sure which one the books refer to but I suspect it would be SAE. So if it is 80 at the crank and I have 57 at the wheels we are in the ballpark with potential for it to improve as the engine runs in.
Not big numbers though are they ? |
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