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02-24-2011, 10:20 AM
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#1 |
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Registered User
 Join Date: Jan 2011
Location: laconia NH
Posts: 196
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Small Block to Big block
I am replacing my tired 350 in my 72 GMC with a correct 402 and t400 trans from a 72 cheyenne. I have the correct a/c brackets and alt, pwr st pump and reservoir. Can anyone tell me what else I will need to change ? Motor mounts ? Radiator/and or shroud?
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02-24-2011, 11:43 AM
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#2 |
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Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: Small Block to Big block
Lots of guys have done this - I would look through the build threads.
__________________
'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD  Click here to support the board Philippians 4: 6-7 |
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02-24-2011, 01:06 PM
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#3 |
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Project Junkie! Fishing Poor!!
 
Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,766
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Re: Small Block to Big block
You will need the engine frame mounts and motor mounts too. Wouldn't hurt to grab the 4 row radiator and all of it's parts. WES
__________________
On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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02-24-2011, 01:14 PM
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#4 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 20,031
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Re: Small Block to Big block
You will also need a different yoke if you are changing from a TH350 to a TH400.
__________________
1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul |
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02-24-2011, 06:40 PM
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#5 |
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Registered User
Join Date: Mar 2007
Location: Texas
Posts: 252
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Re: Small Block to Big block
fan shroud also
__________________
-Scott- 1970 C10 shortbed 396 1969 C30 dually flatbed "Vidalia" |
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