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05-13-2015, 10:21 AM
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#1 |
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Registered User
Join Date: Mar 2014
Location: Salt Lake City
Posts: 128
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425 cadillac in a 79 k5 blazer
Is this an easy swap? What transmission is the best to use and is the 425 a good motor
Last edited by DustyNova; 05-13-2015 at 10:38 AM. |
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05-13-2015, 10:40 AM
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#2 |
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Registered User
Join Date: May 2015
Location: Ridgecrest, Ca.
Posts: 18
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Re: 425 cadillac in a 79 k5 blazer
It would be much easier to use a Chevrolet 454. The 454 has a LOT more horsepower and torque than the 425 Cadillac. It is a night and day difference between the two engines. The 454 would not require a transmission change, either.
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05-13-2015, 11:13 AM
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#3 |
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Registered User
Join Date: Mar 2014
Location: Salt Lake City
Posts: 128
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Re: 425 cadillac in a 79 k5 blazer
yeah but cant i tune it up to more power than it has and it will be lighter than the 454?
also where can i find an adapter for that and a 700r4 or th400 |
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05-13-2015, 11:23 AM
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#4 |
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Moderator
 Join Date: Dec 2012
Location: ON, Canada
Posts: 2,176
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Re: 425 cadillac in a 79 k5 blazer
If you're thinking, 425, you'd be crazy not to do a 500. Same everything space-wise. BOP pattern TH400 works, or, there are adapters for a Chev pattern 700R4 (but you'd better build it strong to take the torque).
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05-13-2015, 01:00 PM
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#5 |
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Registered User
Join Date: Mar 2014
Location: Salt Lake City
Posts: 128
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Re: 425 cadillac in a 79 k5 blazer
wouldnt a 425 get a little better mileage or what does a 500 get compared to 454? Bout the same?
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