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Old 04-12-2021, 05:51 PM   #14
'68OrangeSunshine
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Join Date: Feb 2002
Location: Tucson, AZ USA
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Re: 350 to 250 swap i

Quote:
Originally Posted by 67 twins View Post
I say if you want to go inline 6 go for it. I personally prefer to drive my 250/4speed truck over my 283/5 speed truck.
Might I make a suggestion however? Since you don't already have the engine get yourself a 292 instead. You'll still have an inline 6. You'll have a 40+ cubic inch advantage over the 250. All the same performance parts that fit the 250 will fit the 292 as well. & to top it all off you get a truck engine in your truck. The 292 was the only one of these engines designed solely as an engine for trucks.
That is what I am doing with mine. I have a refreshed 292 that will replace the 250 if I ever get caught up on all those little things that crop up to rob your time.
Second that motion. 292s Rule.
You will need to source a set of 292-only Passenger Side motor mounts. While the Driivers Side mount is the same as 230/250s, the 292 has appreciably more torque -- so GM engineers put the RH mount forward. Motor mount and fuel pump change places on the bigger L6.
My built 292 in the '68 C/10 has a lot more guts than a crate 350 in my '71 Jimmy.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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