Re: [Amc-list] 232 inline 6's?? (difference between 232/258)

[Matt Haas <mhaas@xxxxxxx>]

The displacement difference is all due to changes in deck height. There 
is a 1/8" difference in stroke between the 199 and 232. Adding another 
1/8" of stroke with the same bore gets you 232 and 258.

Matt

Sandwich Maker wrote:
> " From: Jim Blair <carnuck@xxxxxxxxxxx>
> " 
> " The early (pre '71) 232 was stroked (and the deck made higher to match) to make the 258 in '71 (only year of the small bell 258, except in Postal Jeeps) The 199 was also stroked (with the same deck boost) to become the "new" 232. No-one has had the definitive answer as to whether it was intentionally kept at 232 cubic inches (so as to not lose loyal customers) or a fluke. (combination of both?)
> 
> i always thought they did it simply by putting the long 199 rods on
> the 232 crank and raising the deck to match, then coming up with a new
> crank for the 232 rods and calling that a 258.
> 
> it's a fact that 258 and early 232 rods match dimensions; 199, late
> 232, and 4.0 rods also match.  290-360 v8 rods also match the 258's
> but with narrower big ends.
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
> internet rambler                            is to see what all have seen
> adh@xxxxxxxxxxxxxxxxx                       and think what none thought
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-- 
mhaas@xxxxxxx
Cincinnati, OH
http://www.mattsoldcars.com
1967 Rambler American wagon
1968 Rambler American sedan
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