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Offline 78_starsky

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centrifugal supercharger instead of turbo?
« on: November 26, 2019, 12:01:29 AM »
Hi gang.  i haven't been in here in a while.  started thinking about getting a bit more out of the 2.8.  and started thinking about a few pounds of boost.  then started to really conceive the idea about a small centrifugal supercharger.  could be less hassles than a turbo set up. has anyone seen any done to such a small engine? what would be any recommendation s?

thanks for any insights.

Offline pinto_one

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Re: centrifugal supercharger instead of turbo?
« Reply #1 on: November 26, 2019, 02:36:09 PM »
It all depends how much power your looking for ,  long time ago I tried a centrifugal super charger on a 2.3 , took up alot of room , it was made by paxton , blow through type , made some power but found later turbos worked much better , I have a 2.8 in my pinto and know there is no room unless you do not have A/C or power steering , then you may have enough room to do just that , and you can put TBI unjection for a blow through system , unless you already have one Its not worth buying one , few ones that could be used is one off of a 3.8 supercoup T Bird , only you will have to change the pistons for stronger ones , pluss you will have to take everything apart to adjust the valves every 15K , when I redone mine I wish I would have used the 2.9 out of a ranger , hyd lifters and is a easy bolt in , same mounts and transmission bolt up , at least you could use two very small turbos to fit , like the 3.5 ecoboost , battery will have to be placed somewhere else , just a few ideas for you to ponder on ,
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Offline Wittsend

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Re: centrifugal supercharger instead of turbo?
« Reply #2 on: November 27, 2019, 01:46:18 PM »
I agree with Pinto_One. There is not an off the shelf intake manifold to attach the supercharger to the 2.8 engine. So, even if you were skilled enough and had the tools enough to fabricate one, it would be FAR more work than adding a turbo.

In the long run a 2.3 Turbo swap is a better choice. But, frankly even there the Turbo Coupe that so many of us derived our setup from are almost non-existent today. The newest Turbo coupe ('88) is 32 years old! And, while it seems an easy swap on a scale of 1-10 it is still in the 6-7 category.  The Ranger 2.9 sounds interesting. You might look over at TRS (The Ranger Station) about that. Fuel Injection and a 5 Speed would certainly modernize any 2.8 Pinto.