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#451 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Ok, doing way better now after my little stint with Covid (Little rat bastard).... Anyways, sorry had to do a little venting...
Ok, so I had time to look and i found that someone makes a "Smooth" Cowl panel for the truck.. 1966. I need and want that because a.) i will have Vintage Air in the truck and then i want to use that open space where the kick panel vents are for open air space for a set of 6" mids. and i do not want water in there. so with that said, anyone install one? If so where did you get it?
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#452 |
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![]() Join Date: Nov 2013
Location: Northglenn, Colorado
Posts: 186
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Glad you're doing better. Had to take my daughter in for a test after her coworker came to work for 3 more days after testing positive so she wouldn't miss a pay check. Grr.
Have you considered the panels that go in the rear corners of the cab for speakers? Brothers makes an insert panel you can put there. I used to have a F*&d with speakers in the kick panels. I could never keep my big ass feet from beating on the speaker grills when I got in or out, shifted, Hi Beam Low Beam etc. Especially with work boots on.
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We'll burn that bridge when we get there My current project: Rust Therapy 62 C10 Numbers 6:24-26 |
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#453 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
For what i want and sound i am going after, I want to try this and see how it goes. If it fails I will go that route.
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#454 |
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![]() Join Date: Sep 2019
Location: Purcellville, VA
Posts: 102
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Glad to hear your doing ok! I'll be watching to see what you come up with. My plan is to use a sundown 8" behind the seat with a set of Hertz Mille 2 ways or maybe 3 ways somewhere powered by a pair of JL amps mostly because I have all those items sitting in boxes in the garage that I've been intending to put in my daily for the last two years and haven't gotten around to it yet lol.
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#455 | |
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Join Date: Mar 2016
Location: Manlius, NY
Posts: 1,698
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
Glad you are feeling better... I inquired a few months ago about the smooth cowl and didn't get much feedback. One person replied and said it fit well. I am interested in getting one also...I either will eventually get one or put some kind of screen under the holes in the cowl...If you get one please post how you like it. |
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#456 |
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Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
I'm w/them.... Glad your recovery is going well.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#457 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
Dang, nice to have the just lying around. LOL If i was you i would use what you have. I have only a 400Watt Mono amp now, so that will power the JL W1 10" Subs. Rest of the stuff will all be JL Audio. Pics will certainly be coming.
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#458 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
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#459 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Thank you sir. On the mend now. Pray none of you get it, that you are all safe from it. nasty little terd it is.
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#460 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Ok, so here is a layout for the speaker box for the back, 3/4" MDF
Gotta love having access to AutoCad at work....
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#461 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
If my math is correct, that looks like about 0.75ft2 per sub. That's pretty small for a ported box - is that what these subs require?
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#462 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
So the JL-Audio 10" W1v3 subs each require on a ported box .90 cubic feet or air, so i am just under that and knowing my wood cutting, i will be just over .90 cubic feet.... lol. Just for me i sent my design of the box into JL Audio and asked them what they thought. My only real issue is the port volume and size. I am trying to match what they have for volume and i think i am close. I am waiting on their response.
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#463 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Did you subtract the volume of the port, and the volume of the sub from the enclosure volume?
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#464 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
I've used WinISD for designing boxes. Fun to play with, and it's free. http://www.linearteam.org/
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#465 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Funny i say all this and SkinnyG you got me thinking i better look a bit closer into this. so i am now. lol Thanks for checking in! Always good to verify what you are thinking...
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#466 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
I really appreciate the help here!!
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#467 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
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#468 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
SkinnyG I stand corrected, you are correct. The actual volume of each box is .75 cubic Ft of air space. This is a small amount and may just be to little for a ported box, damnit, but ok for sealed box. Looks like sealed box is what i will be doing....
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#469 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
I'd run either two 10's in a sealed box as big as you can fit, or a single 10 in a ported box. They'd both likely play about as loud each.
Sealed they'd play pretty tight and handle good power. I'd wire them in parallel to 2 ohms and feed them with a Class D mono sub amp.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#470 | |
Registered User
Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
not sure this makes sense, but i did the calc by hand then with two different software's and it comes up to .89. Now with that said, i must take away the Speaker Volume.
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#471 | |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
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#472 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
This is what I did:
Trapezoid inside dimensions ((a+b)/2)x(h)x(w) ((6.5 + 2.5)/2)x(14.5)x(48.5) /12/12/12 1.83 ft3 /2 0.9ft3 3x2.75x20 /12/12/12 (rough estimate of port area) 0.1ft3 sub: 0.05ft3 (typical) 0.9-0.1-0.05 = 0.75ft3 - but actually slightly smaller because I didn't take into account the separator board in the middle. I ran both volumes through WinISD and there isn't a massive difference between the two. It will work. At .75 the box is tuned a few Hz higher.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#473 | |
Registered User
Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
Quote:
I was a bit lost in the program on where to enter all parameters for the box though.
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#474 |
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Join Date: Mar 2015
Location: Washington State
Posts: 1,644
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
you know eventually i will stop this madness, lol. Ok, so after some thought i forgot that i have abandoned the idea of the using the shoulder harness bar, so that allows me to go up to 18" in height. After doing the calcs as you SkinnyG showed, i would end with .90 cubic ft of airspace for the two vented 10" subs, this is increasing the height to 18" and excluding the vent space. The calcs according to JL Audio appears that they want Volume Net Int. to be .90 Cubic Feet. Looking at their suggested ported box with vent i am very close. so not i am looking at maybe going 1" longer on base just to get a bit more volume.
LOL i am killling myself here, but this is what happens when you are anal about things and you have been locked up in the house for almost 2 weeks.... lol Sorry about all my confusion SkinnyG! I will owe you one... two ... three... lol
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John 3:16 - Saved me... God Bless |
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#475 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Starting 1966 Factory Short Bed Build, Bagged, 383 Stroker and Muncie M20 4-Speed
No worries. We all learned our knowledge from somewhere. Spread the love to the next guy.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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