Re-Conversion of a '70 914, Patching that Big V8 radiator cutout pt. 1 |
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Re-Conversion of a '70 914, Patching that Big V8 radiator cutout pt. 1 |
76-914 |
Jun 28 2020, 08:36 PM
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#1
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,483 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California |
The engine is sold. I'll soon have a very fresh 901 w/ an "H" gear for sale as well as some other goodies soon for those planning an SBC conversion. I couldn't do much with this sitting in my garage as it already is stuffed to the max. Therefor I felt it somewhat necessary to sell this before commencing with the re-conversion. I've been silently (yeh, I know; me silent) working in the background for a few months fabricating some items that will be needed. I'll do my best to document things a bit more accurately than the previous conversion. Once again I'll be using the Subaru 6 and Subaru transmission. I've had tremendous success with this platform so I might as well repeat myself. So sit back, bear with me and watch as I stumble along and occasionally embarrass myself. Mistakes are an integral part of my journey. (IMG:style_emoticons/default/beerchug.gif)
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76-914 |
Jul 3 2020, 06:11 PM
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#2
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,483 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California |
OK, back on track. If you plan to use 4130 chromoly it is sold in 12ft lengths. My 1st cradle I purchased 10ft and had about 4" left over. Thats cutting it too close so this time I sprung for the complete length. 1.5"x 12' .095 tube. Here is a pic of the cheap HF bender I use. $99 on sale.
Cut one piece 90" long then cut that in half giving you 2 - 45" pieces. Put the left over piece to the side for now. From one end of each pipe place a mark 22" down. This is your 1st bend point. Place the mark in the center of the bender with the rollers in the #1 pegs and give it several pumps until you see it begin to bend. It has a lot of bend back but after a few bends you'll know how many strokes to bend it. Look at the pics below and you will see how little deflection there is after the first few bends. Slowly work this area then move the pegs to the #2 position and repeat this process until you get the desired arc. Be sure to check your bend often against the graph shown. Those are 1" squares so you can duplicate it easily. You want to leave the last 12" of the tube straight. So your only working/bending about a 12"-14" span of the tube. You will be trimming a few inches off each end for the final fit so you only need to establish the arc close to what is shown. After the bend is complete we want to end up with a distance of 40" or greater between the ends. See below. Once you've got these 2 pieces done you can move on to fitting them to the hangers. |
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