 MoboMac
Silver Supporting Member
Posts: 136
Reg: 08-22-11
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05-09-12 09:12 AM - Post#2224137
Found an 85 C30 cube van with a 2bbl. & smog (air) pump.
Looks stock from the pics,seller claims it's a 350.
I'm thinking 305?
Will need to get some #'s to confirm.
Did the have a 350 with 2bbl then?
Maybe California emissions?
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 Vaughn
"11th Year" Gold Supporting Member
Posts: 13554
Loc: Colorado Springs, CO
Reg: 08-08-04
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05-09-12 05:24 PM - Post#2224272
In response to MoboMac
It could be ordered with both, so either a 305 or 350 could be installed. If the timing reference "bullseye" is located in the top center of the timing cover, it is usually a 305. If the timing reference tab is located on the drivers side of the timing cover, it is probably a 350.
Both could be had with a 2bbl.
If it has an AIR pump, it is probably a California model.
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MoboMac
Silver Supporting Member
Posts: 136
Reg: 08-22-11
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05-09-12 06:50 PM - Post#2224313
In response to Vaughn
Need to go look at it....
Would the trans be a TH350 behind the 305 OR TH400?
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 John
Chevytalk Moderator & "3rd Year" Gold Supporting Member
Posts: 7196
Age: 44
Loc: Montgomery, AL
Reg: 01-15-02
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05-10-12 11:59 AM - Post#2224504
In response to MoboMac
Should be a 400 in a C30.
1979 2wd K5 Blazer, 350/TH350
1985 4x4 M1009 K5 Blazer, 6.2/TH400 |
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Vaughn
"11th Year" Gold Supporting Member
Posts: 13554
Loc: Colorado Springs, CO
Reg: 08-08-04
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05-10-12 01:05 PM - Post#2224510
In response to John
It can be either one - both the th350 and th400 came in the C30. Most people feel that a 1 ton chassis should only have a th400, but the th350 was commonly used. I have a C30 van chassis motor home with a 400 and a th350.
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John
Chevytalk Moderator & "3rd Year" Gold Supporting Member
Posts: 7196
Age: 44
Loc: Montgomery, AL
Reg: 01-15-02
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05-10-12 03:53 PM - Post#2224563
In response to Vaughn
It can be either one - both the th350 and th400 came in the C30. Most people feel that a 1 ton chassis should only have a th400, but the th350 was commonly used. I have a C30 van chassis motor home with a 400 and a th350.
Learned something new...
1979 2wd K5 Blazer, 350/TH350
1985 4x4 M1009 K5 Blazer, 6.2/TH400 |
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MoboMac
Silver Supporting Member
Posts: 136
Reg: 08-22-11
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05-10-12 09:59 PM - Post#2224693
In response to John
OK,it appears to have been built with a 305/2bbl. & now has a GM Mexican crate 350 with the original 2bbl. intake & carb installed on it.
It also has an AIR pump with what appear to be steel welded exhaust manifolds? (not headers)
The trans is an MX1 which is a TH350 with a lock-up converter,as I understand it?
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