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#1326 | |
Registered User
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Location: Black Hawk, CO
Posts: 215
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Re: 72 k20 project
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#1327 |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: 72 k20 project
Most big truck parts supply houses carry 5" and larger. Local sourcing of 4" was always more difficult. To small for semis and the likes.
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#1328 |
6>8 Plugless........
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Location: Prairie City, Ia
Posts: 17,140
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Re: 72 k20 project
Racepartsolutions is another good source for flanges for 4" AND 5" pipes and turbo parts.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#1329 |
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Join Date: Feb 2015
Location: Mancos,CO
Posts: 101
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Re: 72 k20 project
Ryan not trying to rain on your parade but aren't you concerned about the lag time you exhaust brake will have being that far away for the motor?
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Brian |
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#1330 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
nope. Pressure is pressure. There is a slightly increased volume to fill, but considering an engine displacing nearly six liters per 2 revolutions it won't take enough time to notice the volume, especially at higher engine speed. It's a pretty common place for these big ones in pick ups. And more importantly, it won't matter, since this is the first place it will reasonably fit. even if there was a notable difference, it will be considerably better than not running one.
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#1331 |
Registered User
Join Date: Feb 2015
Location: Mancos,CO
Posts: 101
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Re: 72 k20 project
Very true!
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Brian |
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#1332 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 72 k20 project
Every medium duty truck I've ever worked on that had one was a minimum of 24-36" from the engine. They all worked fine. And like Ryan said, there will be pressure built up. It's like jamming half a potato in there side ways.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#1333 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
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#1334 | |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: 72 k20 project
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One more thing. My exhaust brake is mounted back like this also. Its probably 4' back once the down pipe is accounted for and that was as close as I could get it. It works perfectly fine however it does take a second longer to start slowing the truck down over a turbo mount. In actuality it is probably better for the turbo as it gets a little more time to spin down. As said it takes a little longer to fill the pipe volume up but it is not bad at all. Its like adding a larger intercooler. |
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#1335 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
I have that parts everywhere thing too. bigger shop area and some storage will be on my dream list when we decide to get out of the crackerbox row. just enough space to build would be nice. id like to pick my own set up, but anything more spacious will be welcome!
i hacked away at this some. 5" donut ![]() ![]() ![]() the pair of pants flanged on ![]() from the outside ![]() |
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#1336 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 72 k20 project
Great work!
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#1337 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
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#1338 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 72 k20 project
Very nice! I bet you could sell those hangers to quite a few folks!
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#1339 | |
Registered User
![]() Join Date: May 2013
Location: wall,nj
Posts: 865
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Re: 72 k20 project
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Very nice work.
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Tom 71 K2500 71 K5 Jimmy |
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#1340 |
Registered User
Join Date: Jun 2011
Location: Osceola, Ia
Posts: 2,017
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Re: 72 k20 project
Ryan this thing is really gonna be bad %ss. Doesn't seem to be any lack of motivation! Killer job so far!
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Shawn 68 chevy K/20 05 chevy 3/4 4x4 71 short step-sold ![]() 71 chevy Beauville van My build. http://67-72chevytrucks.com/vboard/s...d.php?t=633039 |
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#1341 |
Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: 72 k20 project
Your build is looking nice Ryan. Back on page 52 you mention trailer safety chains. On a flatbed I built a while back, I welded some grade 8 nuts to supports under the deck and the owner bought several forged eye bolts. I welded 7 of them around the exterior of the deck plus the 2 next to his drop ball. That way he had tiedowns everywhere, but still had a flat deck for sheet goods. When he tows his trailer he puts in the center 2 for chain hook points.
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#1342 | |||
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
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Thanks Tom! Quote:
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this needed to be addressed. i drew up a simple solution to a pesky thing. for the fuel feed, return, brake line and electric harness. ![]() ![]() i still have the brake line to the rear to make up. Last edited by ryanroo; 05-25-2015 at 09:53 AM. Reason: department of redundancy department |
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#1343 |
Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: 72 k20 project
I found 3/4" forged eye bolts at a local farm and garden store. That size has a working load of around 5000 lbs.
Did you make those hard line holders? Those are sweet. I made some cruder versions of those for my Nova. |
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#1344 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
thanks! i did make them. they are jetted from 1/2" 6061 and then cross drilled for the mounting screws. we were having software issues with the pathing program for a while and i was about to mill them from bar stock. i'm glad the jet came back. much less time involved there
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#1345 |
Chevy Enthusiast
Join Date: Jul 2009
Location: Canyon Lake Texas
Posts: 2,024
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Re: 72 k20 project
Hey quit making us all look bad!
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Tony 1985 GMC K2500 restoration Project: Rust, White & Blue 1989 Chevy R3500 CC Cummins & 4X4 swap some day... 1989 Burb (D60, 14BFF, 12V, NV4500, NP205, 37" tires in progress) |
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#1346 |
Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: 72 k20 project
I'm betting if you made a bunch of the 2 piece blanks you could sell a ton of them. I miss having access to a waterjet.
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#1347 |
Registered User
Join Date: Feb 2015
Location: Mancos,CO
Posts: 101
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Re: 72 k20 project
Man nice parts would be awesome to work with all those cool toys
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Brian |
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#1348 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 72 k20 project
Have any plans on putting any isolators in there to keep the lines from chattering or anything? Nice work, I really like that type of holder.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#1349 |
Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: 72 k20 project
I was thinking the same thing. Maybe make the holes a tad bigger for a piece of hose.
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#1350 | ||||
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: 72 k20 project
they gave me the key to the water jet. big mistake.
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no plans. no need. the tube is seamless drawn SS control tube. pretty much like really small DOM only more critically manufactured. the parts are jetted and the head is dynamic so the cut is square. its pretty spot on with the tolerance to the small. after you clamp them down over the hard lines you have to manually separate them. there is no movement and no need for isolation. you could do pull ups off these... haha i will have an actual loom for the wiring and if i need to i will wrap the loom with material to give a snug fit in the clamp. |
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