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Old 11-20-2015, 10:49 PM   #1
Gary 70 Jimmy
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big bock in 4x4 blazer

I am putting a big block in my 69 blazer have a few question and maybe some one could give me some good advise on problems iI might have.

do they sell front springs for the BB extra weight or do they sell lift kits that are for a BB in a 4x4.
what motor mounts do you use.
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Old 11-23-2015, 01:28 AM   #2
ajviper
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Re: big bock in 4x4 blazer

I haven't had a Blazer with a big block but I had a 72 K20 with one. It was installed with the small block mounts. The K20 was optioned with the HD Front springs (3 leafs) and seemed to sit fairly close to factory ride height.
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Old 11-23-2015, 08:32 AM   #3
1rippen6
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Re: big bock in 4x4 blazer

I but a big block in my first blazer I to just used the small block mounts.
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Old 11-23-2015, 05:59 PM   #4
Gary 70 Jimmy
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Re: big bock in 4x4 blazer

I thought the small block mounts would work I just wanted to make sure thanks for the help. Now I need to how to fix the leaf springs in the front to hold the weight.
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1970 GMC Jimmy 1/2 4X4 350
1969 Chevy Blazer 1/2 4X4 307
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Old 11-23-2015, 10:22 PM   #5
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Re: big bock in 4x4 blazer

I would try a set of Factory HD springs (3 Leafs).
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