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07-27-2016, 08:19 PM | #1 |
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Join Date: Mar 2016
Location: Athens, AL
Posts: 360
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402 BBC accessory brackets
Putting a 454 in my truck from a 70 Chevelle. The brackets are obviously different (AC on wrong side, etc). Has anyone researched what model trucks/cars have the same brackets as an original 72 402 truck would've had? I would like this to look like a 402, but brackets specific to 72 trucks aren't easy to find or cheap. If a 73 Monte Carlo, for example, had the same brackets, that'd be good to know. I know my Chevelle water pump isn't right too.
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07-27-2016, 08:24 PM | #2 |
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Location: Southern Cal
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Re: 402 BBC accessory brackets
68-72 trucks and pre-68(?) cars used short water pump brackets on big blocks. They are actually easier to find on trucks than cars.
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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 |
07-27-2016, 08:25 PM | #3 |
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Re: 402 BBC accessory brackets
As a bit of trivia/info, did the small blocks switch to passenger side alternator in '69 to match the cars? Or did they stay in pre-69 configuration like the big blocks?
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
07-27-2016, 08:34 PM | #4 |
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Location: Athens, AL
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Re: 402 BBC accessory brackets
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07-27-2016, 08:49 PM | #5 |
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Re: 402 BBC accessory brackets
Correct Alternator brackets for a big block 402 truck from 72 are 1 year only, however other years will work. Power steering and AC brackets are the same. In 68 the BB power steering reservoir had a bracket that mounted it off the fender.
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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 |
07-27-2016, 08:50 PM | #6 |
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Join Date: Aug 2013
Location: Calgary, Alberta
Posts: 683
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Re: 402 BBC accessory brackets
i bought a big block accessory kit setup from the junkyard. Same thing, found the AC and alternator were on different sides then stock for my 72. I ended up the big block brackets from http://www.alangrovecomponents.com/Catalog.htm, including the PS pump bracket, crank pulley and water pump pulley. Oh, and ordered a new Sanden 508 style AC compressor.
The Alan Grove ppl know what they're talking about so give them a call if you're unsure which parts you need from them. |
07-27-2016, 08:52 PM | #7 |
Senior Member
Join Date: Mar 2016
Location: Athens, AL
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Re: 402 BBC accessory brackets
Will a modern style AC compressor (vintage air) fit those brackets? How about an alternator I can get at autozone?
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07-27-2016, 08:54 PM | #8 |
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Join Date: May 2007
Location: Southern Cal
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Re: 402 BBC accessory brackets
No, only the factory a-6 compressor or the aftermarket pro6-ten will fit factory brackets. They will not hold a sanden style compressor
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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 |
07-27-2016, 09:24 PM | #9 |
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Join Date: Dec 1999
Location: Austin, TX, USA
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Re: 402 BBC accessory brackets
Cars went to long pump in 69 and alternator swapped sides then is correct.
For the 427 I am building I am using brackets for a 68 Camaro 375/396 that are all deep groove. Currently will try mounting the car PS pump but that may change... There is a reason the truck had the remote reservoir.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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