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70 Stepside & Big Block #2405924
11/19/17 02:30 PM
11/19/17 02:30 PM
Joined: Nov 2003
Posts: 10,693
Surface of the Sun, AZ
Hotwheelsjr Offline OP
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Hotwheelsjr  Offline OP
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Joined: Nov 2003
Posts: 10,693
Surface of the Sun, AZ
Anyone done this? Dropping a 383 in a 70 Stepside...what motor mounts do I need to use and anything else I need to be aware of?

Re: 70 Stepside & Big Block [Re: Hotwheelsjr] #2405933
11/19/17 02:58 PM
11/19/17 02:58 PM
Joined: Jul 2005
Posts: 1,954
Blairsden, CA
T
Triggerfish Offline
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Triggerfish  Offline
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Joined: Jul 2005
Posts: 1,954
Blairsden, CA
My 68 D100 is an orig 383 BB truck, so no issues there when installing a new 383 Magnum other than some mods to the mounts so the shorty headers would fit. On my 71 W100, we modified some used BB mounts to fit the 70 383 Magnum. Schumacher sells conversion mounts for your truck, but says they're out of stock. I'd call him and see when & if he's making a new batch soon.
http://engine-swaps.com/Pages/ProductsYear/66.87BRBtruck.html

fresh frame & new 383 etc small file.jpg
Re: 70 Stepside & Big Block [Re: Hotwheelsjr] #2405953
11/19/17 03:32 PM
11/19/17 03:32 PM
Joined: Jul 2007
Posts: 4,889
Wills Point, Texas
Hugh Jorgan Offline
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Hugh Jorgan  Offline
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Joined: Jul 2007
Posts: 4,889
Wills Point, Texas
I have a pair of mounts from a motorhome that you can have if they can work for you. They are similar to the 71 & older 2wd mounts. LMK

Re: 70 Stepside & Big Block [Re: Hotwheelsjr] #2406317
11/20/17 01:23 PM
11/20/17 01:23 PM
Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
moparmarks Offline
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moparmarks  Offline
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Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
Here are the 71-down BB mounts.
I might have a pair, i'll check.

Motor mounts BB truck 64-71.jpg

72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 70 Stepside & Big Block [Re: Hotwheelsjr] #2407009
11/21/17 08:48 PM
11/21/17 08:48 PM
Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
moparmarks Offline
I Live Here
moparmarks  Offline
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Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
PM sent.


72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 70 Stepside & Big Block [Re: moparmarks] #2407169
11/22/17 01:17 AM
11/22/17 01:17 AM
Joined: Nov 2003
Posts: 10,693
Surface of the Sun, AZ
Hotwheelsjr Offline OP
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Hotwheelsjr  Offline OP
I Live Here

Joined: Nov 2003
Posts: 10,693
Surface of the Sun, AZ
Originally Posted By moparmarks
PM sent.


Thanks Marc! And thanks Mark! up

Re: 70 Stepside & Big Block [Re: Hotwheelsjr] #2408216
11/24/17 01:22 PM
11/24/17 01:22 PM
Joined: Jan 2003
Posts: 8,473
Candler,NC / Myrtle Beach, SC
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JDMopar Offline
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Joined: Jan 2003
Posts: 8,473
Candler,NC / Myrtle Beach, SC
I had a 70 D200 many moons ago. It was a factory 383 truck, and I remember it having a front sump oil pan. There was a mile of room between the pan and axle, so I don't know if it would be an absolute necessity or not? Gerst Suspension had a nice conversion setup for those trucks at The Nats this year. If you're looking to lower it and have a modern PS rack.....it might be worth a look. scope

Re: 70 Stepside & Big Block [Re: JDMopar] #2409192
11/26/17 05:28 PM
11/26/17 05:28 PM
Joined: Sep 2009
Posts: 1,805
ky hills
thehemikid Offline
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thehemikid  Offline
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Joined: Sep 2009
Posts: 1,805
ky hills
Thanks for that Gerst info.







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