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We are still asking:
What did you
get done on
your Bolt today
????


The question, initially posted May 23, 2005, was:
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this weekend?"

After 51,906,997 views, 7378 replies over 185 pages, this thread in General Truck Talk is a happening! And it's not just weekends anymore.


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So ...


What did you get done on your Bolt today????


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V8 Conversion Questions.
#641119 Tue Apr 27 2010 02:07 AM
Joined: Mar 2008
Posts: 128
R
Raul T. Offline OP
Shop Shark
Any advice for converting a 52 ton and a half from the original 216 to a 283 V8? I plan to get the motor mount kit from Jim Carter and I already found a bell housing that fits both the new V8 and the original tranny. And someone told me that using 265 exhaust manifolds avoids having to move the steering box. Questions I have are about supporting the tranny and moving/mounting the radiator. And has anyone converted to V8 and kept the original floor starter switch? Even if to activate a solenoid.

Last edited by rautru; Tue Apr 27 2010 02:08 AM.

Glory Bound...
Re: V8 Conversion Questions.
Raul T. #641150 Tue Apr 27 2010 03:29 AM
Joined: May 2005
Posts: 9,185
G
.
Originally Posted by rautru
...And has anyone converted to V8 and kept the original floor starter switch? Even if to activate a solenoid.

I switched to a 4 cylinder and kept the original floor starter button, it's now on the air valve that works the relay valve for the starter.
I expect you can do something similar with an electric starter switch.

Grigg


1951 GMC 250 in the Project Journals [stovebolt.com]
1948 Chevrolet 6400 [stovebolt.com] - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup [stovebolt.com]
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: V8 Conversion Questions.
Raul T. #641245 Tue Apr 27 2010 02:53 PM
Joined: Apr 2010
Posts: 4
B
New Guy
I have a '52 6400 that a former owner converted to a 350 V8 (stock transmission etc.). The 350 is a small block and I don't know if there is any real difference in exterior size with the 283 but I don't see how you could do the conversion without moving the steering box outward a little. In fact, because the engine sits down inside the frame rails, the top edges of the rails had to be ground a little for clearance. It uses the stock radiator with an electric fan...never overheats.

Re: V8 Conversion Questions.
BigBlu52 #641257 Tue Apr 27 2010 03:54 PM
Joined: Jun 2009
Posts: 2,269
F
Shop Shark
After the mounting issues are resolved you just about got it licked. The V8 is shorter than the six cylinder so I would invest the time and effort into building a fan shroud instead of trying to move the radiator. The radiator support in its current location does more than hold the radiator, it also keeps the fenders and hood in the correct location. Whatever you do, messing with the radiator support is bad news usually.


Fried Green T'mater (Vern)
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Re: V8 Conversion Questions.
FriedGreenTmater #641270 Tue Apr 27 2010 04:41 PM
Joined: Mar 2008
Posts: 128
R
Raul T. Offline OP
Shop Shark
What about supporting the tranny? The old bell housing also bolted to the rails, but the new one doesn't have that option. Any pictures you guys have would be helpfull.

Last edited by rautru; Tue Apr 27 2010 04:45 PM.

Glory Bound...
Re: V8 Conversion Questions.
Raul T. #641271 Tue Apr 27 2010 04:44 PM
Joined: Jun 2009
Posts: 2,269
F
Shop Shark
Quote
"After the mounting issues are resolved you just about got it licked."


The point of my comments was Don't mess with the radiator support.


Fried Green T'mater (Vern)
1953 Chevrolet 3600
In the Stovebolt Gallery
More pix on Photobucket
Caution: Political Statement

Man who runs in front of car gets tired, man who runs behind car gets exhausted.
Re: V8 Conversion Questions.
Raul T. #641394 Wed Apr 28 2010 02:12 AM
Joined: Oct 2003
Posts: 5,161
O
Cruising in the Passing Lane
Originally Posted by rautru
What about supporting the tranny? The old bell housing also bolted to the rails, but the new one doesn't have that option. Any pictures you guys have would be helpfull.

You need a different bell housing. Look for a '55 to '59 V-8 truck type for the easiest conversion, though if you avoid the hydraulic clutch models up to '67 will work. The mount pads will be wrong but can be adapated.


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Re: V8 Conversion Questions.
OldSub #641670 Wed Apr 28 2010 11:59 PM
Joined: Mar 2008
Posts: 128
R
Raul T. Offline OP
Shop Shark
Thanks for that tip. I took a look on eBay for 1950's chevy bell housings and they ain't cheap. But I'm hoping to find one locally tomorrow.


Glory Bound...
Re: V8 Conversion Questions.
Raul T. #642562 Sat May 01 2010 11:39 PM
Joined: Apr 2009
Posts: 103
J
Wrench Fetcher
Im not sure if the 1/2 is the same as a big bolt, but my 1950 chevy truck has a 327 v8 in it and the steering box is still in the original position. I have to say though, it is a very snug fit. The man i bought my truck from built his own motor mounts, i could take some picturese of them for you if you want.

Re: V8 Conversion Questions.
Jordi55 #644624 Sat May 08 2010 08:35 PM
Joined: Mar 2008
Posts: 128
R
Raul T. Offline OP
Shop Shark
Thanks, pictures would be very helpful! I bought the motor mount kit from Jim Carter's, I'm hoping they'll work the same.


Glory Bound...

Moderated by  69Cuda, Grigg 

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