Conversions
Conversions
You will still be sat at fairly high boost on the motorway. If you want efficiency, get a well designed manifold and twin scroll turbo, do as much as you can to lower intake temp and lean out the air/fuel ratio. Then sort out the diff/gearing so you aren't over 3500rpm all the time. You need to be thinking about more than just the engine if raw horsepower isn't the only factor.
el_bandido
12-09-2020, 03:55 AM #31Yeah, do you really expect to get good mpg from a bargain swap and no effort to address gearing?
You will still be sat at fairly high boost on the motorway. If you want efficiency, get a well designed manifold and twin scroll turbo, do as much as you can to lower intake temp and lean out the air/fuel ratio. Then sort out the diff/gearing so you aren't over 3500rpm all the time. You need to be thinking about more than just the engine if raw horsepower isn't the only factor.
I intend to get the engine in and running on a budget, then tune/modify as I go, it's not going to be an overnight thing.
I use the car daily, so the main priority is to get it in and running, I can use it daily and be no worse off MPG wise than a stock IGFE for a short period while I sort the other factors out.
![[Image: OJCSig.jpg]](http://i462.photobucket.com/albums/qq341/dh-all-the-way/OJCSig.jpg)
DanielWatts Banging 9.5J Wheels 'coz that's how you roll
I never said there was going to be no thought put into gearing etc.
I intend to get the engine in and running on a budget, then tune/modify as I go, it's not going to be an overnight thing.
I use the car daily, so the main priority is to get it in and running, I can use it daily and be no worse off MPG wise than a stock IGFE for a short period while I sort the other factors out.
DanielWatts Banging 9.5J Wheels 'coz that's how you roll
el_bandido
12-09-2020, 04:21 AM #33You need to do it at the same, or you will have to get two custom props made and mess about with speed sensors.
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