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Transplanting 924 turbo engine on na
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 2130
Location: MI

PostPosted: Mon Dec 14, 2020 8:02 am    Post subject: Reply with quote

GM pushrod V8..
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80 Turbo - Slightly Modified
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morghen  



Joined: 21 Jan 2005
Posts: 8274
Location: Romania

PostPosted: Mon Dec 14, 2020 8:27 am    Post subject: Reply with quote

2.5 5cyl 07K engine code
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SUPERCHARGED Ruby-sh 924
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safe  



Joined: 18 Mar 2017
Posts: 210
Location: Sweden

PostPosted: Mon Dec 14, 2020 9:21 am    Post subject: Reply with quote

K20/K24 is a really good engine, but 4 cylinders is to few if I was to do a non-Porsche swap.
5 cylinder, nah, too quirky.
A V6 sounds nice, can give you good performance and is quite compact.
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Porsche 924 -79 NA, under EFI and turbo conversion
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Mon Dec 14, 2020 3:58 pm    Post subject: Reply with quote

someone swapping a k24 to 924 in youtube
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Mon Dec 21, 2020 4:20 am    Post subject: Reply with quote

Would this high compression engine be possible to build with off the shelf parts?
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Thu Dec 24, 2020 8:45 am    Post subject: Reply with quote

I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder
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safe  



Joined: 18 Mar 2017
Posts: 210
Location: Sweden

PostPosted: Thu Dec 24, 2020 8:52 am    Post subject: Reply with quote

Juho wrote:
I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder


Most pistons are 22mm so rebush the rods to 22.
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/Magnus, Stockholm Sweden
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Porsche 924 -79 NA, under EFI and turbo conversion
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Thu Dec 24, 2020 9:04 am    Post subject: Reply with quote

safe wrote:
Juho wrote:
I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder


Most pistons are 22mm so rebush the rods to 22.


oh i didnt know this is possible, does this cost alot to do and can regular machine shop do it?
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safe  



Joined: 18 Mar 2017
Posts: 210
Location: Sweden

PostPosted: Thu Dec 24, 2020 9:17 am    Post subject: Reply with quote

Juho wrote:
safe wrote:
Juho wrote:
I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder


Most pistons are 22mm so rebush the rods to 22.


oh i didnt know this is possible, does this cost alot to do and can regular machine shop do it?


A regular machine shop can do it. A normal rebush would be about 50euro I think. Depends on if they can find a suitable bushing or can make one.

Have you found a Volvo rod thats longer than stock with the same big end?
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Porsche 924 -79 NA, under EFI and turbo conversion
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Thu Dec 24, 2020 9:18 am    Post subject: Reply with quote

safe wrote:
Juho wrote:
safe wrote:
Juho wrote:
I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder


Most pistons are 22mm so rebush the rods to 22.


oh i didnt know this is possible, does this cost alot to do and can regular machine shop do it?


A regular machine shop can do it. A normal rebush would be about 50euro I think. Depends on if they can find a suitable bushing or can make one.

Have you found a Volvo rod thats longer than stock with the same big end?



b230 be is 52mm and is 152mm long, longer than 924 rod
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safe  



Joined: 18 Mar 2017
Posts: 210
Location: Sweden

PostPosted: Thu Dec 24, 2020 9:35 am    Post subject: Reply with quote

Juho wrote:
safe wrote:
Juho wrote:
safe wrote:
Juho wrote:
I think this could be possible to make from off the shelf parts by using volvo rods, but finding pistons for 23mm is alot harder


Most pistons are 22mm so rebush the rods to 22.


oh i didnt know this is possible, does this cost alot to do and can regular machine shop do it?


A regular machine shop can do it. A normal rebush would be about 50euro I think. Depends on if they can find a suitable bushing or can make one.

Have you found a Volvo rod thats longer than stock with the same big end?



b230 be is 52mm and is 152mm long, longer than 924 rod


Big end seems wider on the Volvo rod?
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Porsche 924 -79 NA, under EFI and turbo conversion
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Thu Dec 24, 2020 9:38 am    Post subject: Reply with quote

https://www.maxpeedingrods.co.uk/product/high-performance-volvo-b230-h-beam-connecting-rods-conrods.html?search=volvo%20b230

im looking at these rods
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safe  



Joined: 18 Mar 2017
Posts: 210
Location: Sweden

PostPosted: Thu Dec 24, 2020 9:46 am    Post subject: Reply with quote

Juho wrote:
https://www.maxpeedingrods.co.uk/product/high-performance-volvo-b230-h-beam-connecting-rods-conrods.html?search=volvo%20b230

im looking at these rods


Ok, not the same dimensions as the b230 rodd I looked at, but still not the same as the 924. You must find a way to control side movement of the rod. Some engines like 924 does it by the big end, other my do it by the small end and piston.
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Porsche 924 -79 NA, under EFI and turbo conversion
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Juho  



Joined: 03 Oct 2018
Posts: 160
Location: Finland

PostPosted: Thu Dec 24, 2020 9:53 am    Post subject: Reply with quote

im out of ideas then hehe, just keeping it turbocharged might be easiest then
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TJC  



Joined: 04 Apr 2010
Posts: 777
Location: Central-ish Arizona, USA

PostPosted: Fri Dec 25, 2020 1:39 am    Post subject: Reply with quote

I may be missing your definitive end game here, but if you want to keep it NA, and get some decent horsepower while sticking with the basic 924 2.0L engine look at the 924 SCCA D Production specs. With a few modern twists like EFI/ ITB's for instance, (although the original D/P fuel injection would be wicked if you could find one!), you can pull some decent power figures without reinventing the wheel or jumping through absurd engine swap or non Porsche engine parts in the stock 2.0L swap hoops!
Close to. equal, or possibly more HP than a stock 924 Turbo without the turbo parts, costs and cramped working condition hassles and a much more open and cleaner looking engine compartment.
All it take is time and money!
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'95 BMW 318i/5 ..."Pearl"
'80 Porsche 924 Turbo..."Pogo"
'81 Porsche 924 Turbo...Parting!
'87 Porsche 944 NA... "Liebchen"
'02 Porsche Boxster..."Sunbeam"

Still on the Prowl!

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