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12-03-2008, 01:47 AM
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#1 |
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Registered User
Join Date: Nov 2006
Location: san diego, ca
Posts: 53
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283 swap to 396
I have a buddy who wants to trade me a 396 with a 4 speed muncie for my 283 with a th350. Truck would for sure not be a daily driver after that but it sure would be fun to drive when i did. Any opinions on the 396 and would my 10 bolt be able to handle it?
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12-03-2008, 11:15 AM
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#2 |
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Registered User
 
Join Date: Sep 2006
Location: San Francisco
Posts: 4,780
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Re: 283 swap to 396
http://67-72chevytrucks.com/vboard/s...d.php?t=259536 This is what I did when I put my BB in. You don't have to go to this extreme but you might have to change out the perches to get some headers or even the stock headers to clear the engine perches. Some just use later model mounts and cut the frame back a bit.
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"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 |
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12-04-2008, 03:03 AM
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#3 |
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Registered User
Join Date: Nov 2006
Location: san diego, ca
Posts: 53
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Re: 283 swap to 396
That is great man thanks. How did you work your motor mounts? Did you use mounts and brackets from the bb or would you be able to sb mounts?
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12-04-2008, 10:55 AM
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#4 |
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Registered User
Join Date: Sep 2006
Location: San Francisco
Posts: 4,780
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Re: 283 swap to 396
The mounts are the same it is the perches that are the problem most of the time. You can't get a header on the left side without butchering the perch. I don't even think stock manifolds will work unless you cut the frame rail. The perches I have are aftermarket and cost about $140. They come with a car style motor mount.
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"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 |
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12-04-2008, 11:33 AM
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#5 |
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Registered User
Join Date: Nov 2006
Location: san diego, ca
Posts: 53
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Re: 283 swap to 396
Where did you buy the perches from? Really starting to hope this all comes together it will be a lot of fun stepping up from my 283!
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12-04-2008, 12:43 PM
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#6 |
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Registered User
Join Date: Jan 2008
Location: Satsop, WA
Posts: 606
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Re: 283 swap to 396
It is much easier to use the 73-87 perches and mounts. Then buy headers for the same year.
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1963' Chev Custom Cab 502, 67' 435hp 3X2 intake, 9" 4:30 Posi 1961 Impala SS 348/350 4-speed 3:70 Posi 1961 Bel-Air Bubble Top 283 Turboglide soon to have a 348 3X2 4-speed 1950 17' Fairliner twin cockpit barrel stern 312 Y block 1X1 intake Borg Warner 1:1 gear 1957 Fleetform 14' twin cockpit barrel stern 1969 BP-125 Merc 1949 Transitier 3-wheel forklift Crosley 4-Banger 98' FXD 2002 2500HD |
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12-04-2008, 07:45 PM
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#7 | |
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Registered User
Join Date: Oct 2005
Location: oklahoma
Posts: 663
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Re: 283 swap to 396
Quote:
I went at it bassackwards getting 70-model big block headers, then had to find the right perches to get clearance on the driver's side; they're available aftermarket but pricey, if you're not in a hurry, watch the parts side of the site or craigslist for a deal. Good luck! |
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12-05-2008, 12:15 AM
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#8 |
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Resistance is Futile
Join Date: Dec 2006
Location: Mesa,Arizona
Posts: 3,520
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Re: 283 swap to 396
I got everything together to do this swap and didnt do it
 . Anyway, I found the perches 502 has for 20 bucks out of a 88 suburban. They were held on w/ jamb nuts, so warm up your wrists before removing !
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64 CHEVY PICK-UP > http://67-72chevytrucks.com/vboard/s...otrash+re-hash 64 CARRYALL >http://67-72chevytrucks.com/vboard/s...=1964+suburban 66 LB >http://67-72chevytrucks.com/vboard/s...d.php?t=427852 STRENGTH/DETERMINATION/MERCILESS/FOREVER .......posted via stationary device |
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12-05-2008, 01:24 AM
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#9 | |
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Registered User
Join Date: Jan 2008
Location: Satsop, WA
Posts: 606
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Re: 283 swap to 396
Quote:
__________________
1963' Chev Custom Cab 502, 67' 435hp 3X2 intake, 9" 4:30 Posi 1961 Impala SS 348/350 4-speed 3:70 Posi 1961 Bel-Air Bubble Top 283 Turboglide soon to have a 348 3X2 4-speed 1950 17' Fairliner twin cockpit barrel stern 312 Y block 1X1 intake Borg Warner 1:1 gear 1957 Fleetform 14' twin cockpit barrel stern 1969 BP-125 Merc 1949 Transitier 3-wheel forklift Crosley 4-Banger 98' FXD 2002 2500HD |
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