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and_s
Joined: 30 Apr 2010 Posts: 2 Location: Arkhangelsk, Russia
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Posted: Tue Jun 08, 2010 7:07 am Post subject: What engine to use without dramatic changes? |
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My original 924 engine completely cracked, so i decided to install a new one, so the question is what audi or vw engine will fit bellhousing? It's easier for me to find any working engine than search for a new crankshaft with all enclosed stuff. _________________ porsche 924'78, lincoln town car'89, niva'06 |
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Rich H
Joined: 10 Jun 2007 Posts: 2665 Location: Preston, Lancs, UK
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Posted: Tue Jun 08, 2010 4:50 pm Post subject: |
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http://www.924.org/techsection/GarageFAQ.htm#engineswap
Nothing but another 924 engine easily, or maybe an LT van diesel _________________ 1994 Lotus Esprit S4 - Work in progress...
1980 Porsche 924 S2 DITC Turbo - Original spec
1978 Homo-Sapiens - Tired spec
1953 Landrover S1 - Pensioner Spec |
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fiat22turbo
Joined: 18 Jan 2006 Posts: 4040 Location: Portland, OR
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Posted: Wed Jun 09, 2010 2:29 am Post subject: |
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The Audi 5-cylinder shares the same bolt pattern at the bell-housing.
The cross-flow 20-valve 5-cylinders seem to fit better as the 10-valve motors tend to fowl their intake manifolds on the strut tower.
A 10-valve bottom end with a 20-valve top end seems to be the hot ticket in the Audi world since it provides a little more power than the normal 20-valve non-turbo motor due to the extra compression ratio.
Of course the 20-valve turbo is a killer motor from back in the day of the Group B rally cars
A customized oil pan and exhaust manifold will be needed to clear the crossmember. Apparently there was a factory tubular header for the 20-valve NA that was available for a short time in Europe that is practically a drop in fit.
The mounts are pretty close apparently.
Engine management will need to be altered as well.
There is some speculation that other Audi motors share the same bell-housing pattern, but that hasn't been completely confirmed yet. _________________ Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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