 MPG with V8/914, very mild cam, megasquirt FI unit |
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| bd1308 |
 Apr 6 2005, 02:16 PM
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Sir Post-a-lot  Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501  |
I was pondering a conversion such as this one for my 914.....what MPG could i expect?
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| lapuwali |
Apr 6 2005, 04:49 PM
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743  |
I'd be fairly surprised if that's actually true, unless all of Rod Simpson's kits come with a supercharger. The Miller Cycle is a bit of hocus-pocus that requires a very high static compression ratio, then uses very long intake cam duration to lower the dynamic compression ratio to a reasonable level. The only way this works w/o just blowing most of the intake charge out the open valve is a supercharger, which keeps manifold pressure high enough that the charge can't escape. Supporters of the system claim an efficiency increase of 15%. It was patented in the 1940s, and largely ignored. Mazda tried it on the Millenia (well after the patent expired). Fuel economy and power figures for that car aren't exactly startling (28/17, 210hp, 2.5L supercharged V6). It didn't necessarily flop, but no one else has expressed any interest in the idea. |
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Posts in this topic
bd1308 MPG with V8/914 Apr 6 2005, 02:16 PM
Rand You ponder so many projects Britt!! I woul... Apr 6 2005, 03:08 PM bd1308 i know....i'm still trying to strike it rich..... Apr 6 2005, 03:11 PM vsg914 Britt, one project at a time. first a new motor, ... Apr 6 2005, 03:14 PM MattR I can tell you what it is: he is a first year in c... Apr 6 2005, 03:15 PM bd1308 its really that i work for peanuts in a gov't ... Apr 6 2005, 03:16 PM Andyrew By very wild cam... What do you mean?
I have a mil... Apr 6 2005, 03:58 PM bd1308 The reason i said V8 is from simplicity's sake... Apr 6 2005, 04:09 PM skline He is just trying to keep his post count high, how... Apr 6 2005, 04:10 PM Type 4 Rod Simpsons cam is based on the miller cycle. Apr 6 2005, 04:28 PM ewdysar I am skeptical of a 30+mpg V8 conversion. I'd... Apr 6 2005, 04:32 PM mrihop Apr 6 2005, 05:03 PM Travis Neff My father has an LS1 Trans Am with a 6 speed. he s... Apr 6 2005, 05:12 PM bd1308 see thats what i want....like a super-H 6th gear..... Apr 6 2005, 05:20 PM scotty b Apr 6 2005, 05:23 PM ewdysar Ian,
Yes, my enginge warms up now. The T-stat fr... Apr 6 2005, 05:32 PM mrihop The holes in the t-stat are to let the air bubbles... Apr 6 2005, 06:18 PM Mr.C Off topic car wise. I just bought a Land Rover Di... Apr 6 2005, 06:42 PM ewdysar Ian,
The t-stat that I modified and installed has... Apr 6 2005, 06:57 PM riverman I'm doing a V8, and mileage is the least of my... Apr 6 2005, 08:33 PM
bd1308 well i'm trying to get a 1.7 T-IV going....but... Apr 6 2005, 08:49 PM |
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