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Old 06-03-2010, 03:38 AM   #1 (permalink)
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what should I do with a 1970 blazer?

I just picked up a 1970 blazer, it is not in great shape the front has been hit and the grill, hood and fenders (which were replaced by the p.o. and rust free) all need to be straightened or replaced. the floor needs patching and the cross sills need to be replaced.
It has a 307, TH350, NP205. I don't know if it is better to leave it stock, or take the parts I have from my other project (1993 2wd 3/4 ton) 454, 4L80E, NP205, D60, 14bff and get rid of the '93. I am not looking for a restoration, just a trail rig the I can put the kids in and drive down the road.
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Old 06-03-2010, 03:51 AM   #2 (permalink)
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Id say that the 70 k5 would be a cooler rig for sure depending on how much body work you want to do...
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Old 06-03-2010, 03:54 AM   #3 (permalink)
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id have to agree with switching to the blazer
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Old 06-03-2010, 04:59 AM   #4 (permalink)
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I agree 100% that the blazer is cooler, and I am going to fix it and use it, I am just undecided whether to leave it stock and build both trucks or just build the blazer and use the parts I have from the truck. is the 307 from the blazer worth anything?
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Old 06-03-2010, 05:11 AM   #5 (permalink)
nice roach.
 
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Quote:
Originally Posted by uswheeler View Post
I agree 100% that the blazer is cooler, and I am going to fix it and use it, I am just undecided whether to leave it stock and build both trucks or just build the blazer and use the parts I have from the truck. is the 307 from the blazer worth anything?

307s are even more of a gutless bastard child than the 305... i mean if it runs then by all means mob it around but i wouldnt put any serious $$ into it with how easy it is to find a 350.
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Old 06-03-2010, 07:49 AM   #6 (permalink)
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+1 for tossing all those parts off the 93 into the blazer.

I wish i would have found a resonably priced first gen
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Old 06-03-2010, 05:07 PM   #7 (permalink)
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my vote is kind of a given but..... blazers kick ass i'd go with it
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Old 06-03-2010, 07:16 PM   #8 (permalink)
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another vote for swapping the parts into the blazer. I just picked up a 71 k5, hoping to start on it this winter.
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Old 06-03-2010, 07:39 PM   #9 (permalink)
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Go with the K5, '93 pickups are a dime a dozen....
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Old 06-03-2010, 08:19 PM   #10 (permalink)
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I vote the k5 too, though I may be partial.



In case you didnt know, the 454 is not a bolt in and go deal.
The 4wd 67-72 bodys were never offered with a bigblock. There are firewall clearance issues with valve covers, and distributor. I think there may be some issues with the crossmember as well.

All that being said, I have a 454 sitting in the garage for mine to go in this winter
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Old 06-03-2010, 08:42 PM   #11 (permalink)
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my votes for the k5, an easy efi swap since you have all the parts, a win win with power and not having to deal with a carb anymore.
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Old 06-03-2010, 09:30 PM   #12 (permalink)
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i have a 454 in mine and i love it ... i did have to move the cross member forward 3inch and i think i use a 73 blazer crossmember ...lost of room.. to keep the cost down
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Old 06-03-2010, 09:34 PM   #13 (permalink)
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K5

Id go with the ole girl & new parts. Im in the process of re-doing this thing droppin it down 4" 52"/64" swap and some fender trimin It will surely fit the whole fam damly, kinda what I had in mind with this instead of hackin it up.
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Old 06-05-2010, 06:34 AM   #14 (permalink)
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I decided if I can get the blazer going the way it is I will leave it for now, but it is missing the plug wires, and the wiring is all screwed up. I picked up a battery and wires, but I could really use a wiring diagram to figure out what is supposed to be there and if I am missing any other parts (relays, fuses, etc.). I am not going to spend too much time or money before I switch to the 454 but if it runs I'll fix the body and run it then I can swap the other parts in steps instead of one big project. heres the plan - fix the body, swap in the one ton axles and 6" lift, then swap in the 454 and 4L80E, does this make sense? bigbadchev84's is inspiring, but I have got a long way to go.
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Old 06-05-2010, 08:35 AM   #15 (permalink)
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but I could really use a wiring diagram to figure out what is supposed to be there and if I am missing any other parts (relays, fuses, etc.).
heres one that i used

http://farm4.static.flickr.com/3645/...c2a8064d_o.jpg
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Old 06-05-2010, 08:53 AM   #16 (permalink)
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I decided if I can get the blazer going the way it is I will leave it for now, but it is missing the plug wires, and the wiring is all screwed up. I picked up a battery and wires, but I could really use a wiring diagram to figure out what is supposed to be there and if I am missing any other parts (relays, fuses, etc.). I am not going to spend too much time or money before I switch to the 454 but if it runs I'll fix the body and run it then I can swap the other parts in steps instead of one big project. heres the plan - fix the body, swap in the one ton axles and 6" lift, then swap in the 454 and 4L80E, does this make sense? bigbadchev84's is inspiring, but I have got a long way to go.
The only ones that will matter to see if you can get it running are gonna be power to your distributor/or coil, and the sterter wire on the starter
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72' k5 blazer, 350/350/205, HAD shaft 8" lift, zero rates, 3/4ton 4.56s, 38/14.5/16 Toyo M/Ts

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Old 06-05-2010, 10:05 PM   #17 (permalink)
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The only ones that will matter to see if you can get it running are gonna be power to your distributor/or coil, and the sterter wire on the starter
by the way, those stock wires will be yellow to the distributor (*also a wire runs back up from the starter to the coil on the older ones because the starter energizes the coil during cranking, then it runs off ignition power) and should be red to the starter.
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Old 06-05-2010, 10:06 PM   #18 (permalink)
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I vote the k5 too, though I may be partial.


Get a cage or atleast a rollbar!
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Old 06-05-2010, 11:45 PM   #19 (permalink)
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Get a cage or atleast a rollbar!
Full cage is in the works for this winter, along with the bbc and new paint. That was a very mild trail ride, Nothing too serious until I get the full cage in.
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72' k5 blazer, 350/350/205, HAD shaft 8" lift, zero rates, 3/4ton 4.56s, 38/14.5/16 Toyo M/Ts

2006 Dodge Megacab 3500, 5.9 cummins, 6 speed, straight piped, cold air intake, Juice with attitude, 35's and leveling kit

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Old 06-06-2010, 06:11 AM   #20 (permalink)
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Thanks guys, that should get me going, I'll let you know what happens. by the way, I do plan on putting a cage in while fixing the body.
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