Beetle type 4 twin turbo project
- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
I have installed dowell pins in the flywheel/crank assembly. They fit real tight, but still feel the flywheel needs to be lightened a bit.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: Beetle type 4 turbo project - aka Kalashnikov
Are you sure you have the correct gland nut for the crank?
Way to test...
Take flywheel off and screw nut with washer into crank. If the nut stops turning before it touches the dowels you have the wrong Gland Nut which will make the dowel pin holes oval over time...
Way to test...
Take flywheel off and screw nut with washer into crank. If the nut stops turning before it touches the dowels you have the wrong Gland Nut which will make the dowel pin holes oval over time...
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"You do not understand the power of the DarkSide" Darth Vader.
- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
Type 4 does not have a gland nut
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: Beetle type 4 turbo project - aka Kalashnikov
Yes mine was Lightened with the dowl pins and that is when I stopped scheering off the bolts as you got less momentum spinning4agedub wrote:I have installed dowell pins in the flywheel/crank assembly. They fit real tight, but still feel the flywheel needs to be lightened a bit.
Keep the good info comming and pics
- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
I decided to use another flywheel instead. According to the clutch part number it's the same as 914. I got the flywheel back from engineering today, just need to drill new dowell pin holes and send it for balancing.
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
Boost box progress...
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: Beetle type 4 turbo project - aka Kalashnikov
looking good!!
ANGRRR
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1302S
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Panel Van
http://www.aircooledvwsa.co.za/viewtopic.php?p=288723
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1302S
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- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
Some more progress
Now I need the engine mockup to continue.
Now I need the engine mockup to continue.
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
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Re: Beetle type 4 turbo project - aka Kalashnikov
Hi I just had an interesting conversation with a friend who is seriously into turbos and racing. the subject of flywheels weights came up and this is what he had to say. They built tis wild opel engine with a huge turbo and had a flywheel so light that it was almost non existent. Problem was that it had serious lag and failed to spool up quick enough. they fitted a standard weight flywheel and suddenly the engine came to life. It actually built both boost and revs quicker and was run in this configuration.
We had a long talk and this is what we came up with: the heavier flywheel did not want to rev up and because of this the engine produced more heat in the exhaust which in turn made it spool up the turbo faster which then lead to boost being built much sooner and made for a more aggressive acceleration. Whether our theory is right I dont know but it sure made a difference on that engine.
Armand
We had a long talk and this is what we came up with: the heavier flywheel did not want to rev up and because of this the engine produced more heat in the exhaust which in turn made it spool up the turbo faster which then lead to boost being built much sooner and made for a more aggressive acceleration. Whether our theory is right I dont know but it sure made a difference on that engine.
Armand
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- 4agedub
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Re: Beetle type 4 turbo project - aka Kalashnikov
I know the drag racing guys go for a heavier flywheel, it helps when launching with those big ass slicks.
The turbo I intend getting is a Garrett ball bearing turbo, those things spool for nothing.
Tonight I will go pick up the engine and mock up block from my dad's place, so hopefully there will be some progress again next week. The next step is to finish the intake setup and then start on the exhaust system. I have allready found some thin wall bends with 42mm inside diameter that will be perfect for the engine size.
The turbo I intend getting is a Garrett ball bearing turbo, those things spool for nothing.
Tonight I will go pick up the engine and mock up block from my dad's place, so hopefully there will be some progress again next week. The next step is to finish the intake setup and then start on the exhaust system. I have allready found some thin wall bends with 42mm inside diameter that will be perfect for the engine size.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- 4agedub
- Exhaust Pipe
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Re: Beetle type 4 turbo project - aka Kalashnikov
You do not have the required permissions to view the files attached to this post.
VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- 4agedub
- Exhaust Pipe
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Re: Beetle type 4 turbo project - aka Kalashnikov
On Saturday I started with the intake V pipe, but could not get to far without gas for the welding machine...
75mm throttle body
75mm throttle body
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- 4agedub
- Exhaust Pipe
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Re: Beetle type 4 turbo project - aka Kalashnikov
V pipe welded
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- 4agedub
- Exhaust Pipe
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Re: Beetle type 4 turbo project - aka Kalashnikov
Intake system done, just waiting for throttle body flange
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VW Beetle 1303 - 2165cc Turbo
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
VW Beetle 1971 2332cc
VW Beetle 1969 - 2666cc Turbo
VW Beetle 1974 - 1600
- Tony Z
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Re: Beetle type 4 turbo project - aka Kalashnikov
Looks good Louis
I hope you are going to improve the fanhousing to sit closer to the fan itself.
Did you get my email from a few days ago?
I hope you are going to improve the fanhousing to sit closer to the fan itself.
Did you get my email from a few days ago?
ANGRRR
http://www.aircooledvwsa.co.za/viewtopi ... 23&t=14775
1302S
http://www.aircooledvwsa.co.za/viewtopi ... 23&t=33521
Panel Van
http://www.aircooledvwsa.co.za/viewtopic.php?p=288723
http://www.aircooledvwsa.co.za/viewtopi ... 23&t=14775
1302S
http://www.aircooledvwsa.co.za/viewtopi ... 23&t=33521
Panel Van
http://www.aircooledvwsa.co.za/viewtopic.php?p=288723
vader wrote: The Force is strong with you young Sith Lord Z!