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HotRodder Offline
#1 Posted : Sunday, 15 June 2008 8:34:28 AM(UTC)
HotRodder

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Can anyone tell me whats the standard bore
of a 253 Holden V8 engine and what is the maxiumn
they could be bored to.
vintageholden Offline
#2 Posted : Sunday, 15 June 2008 9:24:08 AM(UTC)
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max is 60thou
Bore Size :92.08mm/3.63in

Stroke: 77.79mm/3.06in
HK1837 Offline
#3 Posted : Sunday, 15 June 2008 8:05:13 PM(UTC)
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Same as a 202 or 186 - as Vintage says (3.625").

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
musksell Offline
#4 Posted : Sunday, 15 June 2008 9:50:47 PM(UTC)
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Pro stroke take the 253 out to 95.6mm

the theory is 253 have more metal around bores to bore out with...
jim Offline
#5 Posted : Sunday, 15 June 2008 10:09:04 PM(UTC)
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I pretty sure they also sell the parts when they go bang too!!
pro stroke are a good mob, im not baggin them but
as Byron says they are the figures.still not as big as a 308 why bother?
Jim in Adelaide..
musksell Offline
#6 Posted : Sunday, 15 June 2008 10:25:33 PM(UTC)
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253 stroked out is actually 310 cubic inches....so yes it would be worth it....it has a vastly superior bore/stroke ratio.

just remmber when P76s came out 4.4 litres = 5. litre holden.
musksell Offline
#7 Posted : Sunday, 15 June 2008 10:25:33 PM(UTC)
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253 stroked out is actually 310 cubic inches....so yes it would be worth it....it has a vastly superior bore/stroke ratio.

just remmber when P76's came out 4.4 litres = 5. litre holden.
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