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Author Topic: 1385 supercharged engine  (Read 2870 times)
samotorsport
Sr. Member
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Posts: 285



« on: April 26, 2020, 21:19:23 pm »

So it is time to build a new engine for my 67 Herbie


It was my first aircooled project , some things i wouldn’t do nowadays anymore. For example the engine lid is a 65 now , one day it is going to be all 67 again , but thats not the point right now Smiley
It needs a new engine for next year as the one installed right now is almost done.
The base is a 1200 cc industrial engine.
Going to be a big bore 1385 cc engine



Stock 64 mm crank and con rods . 83 mm Pistons

Case is already prepared for full flow



And the fuelpump place is prepared to support the supercharger bracket



The charger is going to be an AMR500 , fed by a 40 DCOE , but my idea is to only use it as a cool looking throttle body and the fuel is going to be injected by a free programable EFI .


The heads are going to be 1300 DP , they need a full rebuild , seats guides out , wekding up cracks and so on , so plenty to do






Camshaft remains stock
EFI most probably a Speeduino .
My goal is to have a oldschool looking supercharger setup



But running just like a stock modern engine .

 






 
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andy198712
Hero Member
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Posts: 1063



« Reply #1 on: April 26, 2020, 21:47:35 pm »

nice, what are your plans for charge cooling? are you injecting before or after the SC?
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samotorsport
Sr. Member
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Posts: 285



« Reply #2 on: April 26, 2020, 21:51:02 pm »

My plan is to inject as close to the inlet valve as possible .
I plan on modifying stock inlet elbows by welding on aluminium adapters to put nozzles on them .
No cooling is planned , max boost will be 15 psi / 1 bar .
I hope to be around 90 hp and good torque , max 5000 rpm
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andy198712
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Posts: 1063



« Reply #3 on: April 27, 2020, 10:08:26 am »

My plan is to inject as close to the inlet valve as possible .
I plan on modifying stock inlet elbows by welding on aluminium adapters to put nozzles on them .
No cooling is planned , max boost will be 15 psi / 1 bar .
I hope to be around 90 hp and good torque , max 5000 rpm

if you don't fancy making them the injected VW manifolds are exactly as you mention but then i think you may need to look at what injectors they take?

Thats gonna be a really nice drive!

have you seen this?  https://www.shoptalkforums.com/viewtopic.php?f=3&t=151261&start=195 its a 1300 with AMR500
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samotorsport
Sr. Member
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Posts: 285



« Reply #4 on: April 27, 2020, 10:11:45 am »

Yes i know about the original injected ones , they may be hard to find around here.
But i got elbows , aluminium and a welding machine .
Will see which way to go .
No i didn t know that built , but will have a closer look to it for sure .
Thanks a lot


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samotorsport
Sr. Member
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Posts: 285



« Reply #5 on: May 04, 2020, 06:36:44 am »

Valve seats are out , now comes the tricky part to weld them all up

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brewsy
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Posts: 357



« Reply #6 on: May 04, 2020, 12:47:37 pm »

Valve seats are out , now comes the tricky part to weld them all up


Nice.
Are you going to keep stock sizes?
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samotorsport
Sr. Member
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Posts: 285



« Reply #7 on: May 04, 2020, 12:48:39 pm »

Yes stock size valves , hd single springs


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