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#860760 06/20/2012 11:18 PM
Joined: Jan 2012
Posts: 5
5
New Guy
New Guy
5 Offline
Joined: Jan 2012
Posts: 5
So my 58 fleetside has an older 248 instaed of the 270 it's supposed to have. The quote to rebulid the 248 is $3000. If i could find a good running 235, is it much of a challenge to put it in place of the old GMC 248?

Joined: May 2001
Posts: 7,438
Extreme Gabster
Extreme Gabster
Joined: May 2001
Posts: 7,438
I'd be looking for a good running 270 myself.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
Joined: Oct 2006
Posts: 1,847
B
'Bolter
'Bolter
B Offline
Joined: Oct 2006
Posts: 1,847
yes, I would stay GMC, I would go for a 302 myself, I don't think I have ever heard of anyone going that way. (GMC to 235)

Joined: Dec 2004
Posts: 1,897
B
Shop Shark
Shop Shark
B Offline
Joined: Dec 2004
Posts: 1,897
It must not be too hard of a conversion because I have seen a ton of gmc trucks for sale with the chevy 235 powering them. I won't buy a chevy powered gmc.

Joined: Oct 2006
Posts: 1,847
B
'Bolter
'Bolter
B Offline
Joined: Oct 2006
Posts: 1,847
yes I don't suppose it would be all that hard to do, usually the problem I have heard of is the GMC is longer and you have that to deal with when switching from a chevy to a GMC. But I wouldn't switch to chevy either. As a matter of fact I'd like to put a 302 in my truck. As far as the price to rebuild, $3000 is quite reasonable. That is about what you will pay for any of these engines, 235's included. Not including the cost to convert, you would be much better off sticking with a GMC product, at least it just bolts in.

Joined: Apr 2005
Posts: 1,107
5
'Bolter
'Bolter
5 Offline
Joined: Apr 2005
Posts: 1,107
whats wrong with the 248? if the 248 is still running then drive it while shop a bigger motor. what is your goal here?

Joined: Aug 2004
Posts: 1,418
ODSS Lawman
ODSS Lawman
Joined: Aug 2004
Posts: 1,418
I agree with the others that it would be best to find a good GMC motor like a 270 or 302. But as Mike mentioned, I'd just drive the 248 for a while until you find your match.

However, if you are determined to install a 235, there is how 49geezer installed a 261 into a GMC 1/2 ton

Plate


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