Re: Turbo to NSS Conversion Progress
[Re: dvw]
#3132616
03/27/23 08:13 AM
03/27/23 08:13 AM
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Joined: Jan 2003
Posts: 10,041 MN
JERICOGTX
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,041
MN
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Not sure what his measures. But the rulebook states the pin holes must be a maximum of 8" from the vertical location of the ajoining bar. Doug Does the A pillar bar land on the old door bar? If so, I had a friend that did that, and the cage would not certify that way. Every inspector is different though...
69 GTX
68 Road Runner
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Re: Turbo to NSS Conversion Progress
[Re: JERICOGTX]
#3132619
03/27/23 08:34 AM
03/27/23 08:34 AM
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Joined: Jan 2003
Posts: 2,299 NE Ohio
DoubleD
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,299
NE Ohio
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Not sure what his measures. But the rulebook states the pin holes must be a maximum of 8" from the vertical location of the ajoining bar. Doug Does the A pillar bar land on the old door bar? If so, I had a friend that did that, and the cage would not certify that way. Every inspector is different though... Everybody has a friend! - but landing the A pillar on the door bar is legal as long as it is directly in line with the floor plate or frame rail
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Re: Turbo to NSS Conversion Progress
[Re: JERICOGTX]
#3132709
03/27/23 12:10 PM
03/27/23 12:10 PM
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Joined: Jan 2003
Posts: 19,377 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,377
Las Vegas
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Progress looks good. The swingout pin location wouldn't pass an NHRA cert with our local inspector. Supposed to be less than 6" center of the pin, to the bar, using the furthest point. Might want to check with your local inspector before getting the cage certified. Rulebook for swingouts is 8", FWIW here is the rule book on swing outs. Swing-out side bar permitted on OEM full-bodied car 8.50 e.t. and slower. The following requirements (a through d) apply: a. 1 5/8-inch O.D. x .083-inch CM or .118-inch MS minimum. Bolts/pins must be 3/8-inch-diameter steel, minimum and in double shear at both ends. b. Male or female clevis(es) permitted. Male clevis must use two minimum 1/8-inch-thick brackets (CM or MS) welded to each roll-cage upright; female must use minimum 1/4-inchthick bracket (CM or MS) welded to each roll-cage upright. Pins must be within 8 inches of the vertical portion of both the forward and main hoops. A half-cup backing device must be welded to the vertical portion of the main hoop (inward side) or the upper end of the swing-out bar (outward side), minimum .118-inch wall (CM or MS) extending at least 1 5/8 inches past the center of the pins. A clevis assembly using a minimum .350-inch-thick male component and two minimum .175-inch-thick female components may use a 1/2-inchdiameter Grade 5 bolt and does not require a half-cup backing device. General Regulations Section 21, page 31 General Regulations c. Sliding sleeves of 1 3/8-inch x .083 CM or .118 MS, with minimum 2-inch engagement, are permitted in lieu of the upper pin/cup. d. All bolt/pin holes in the swing-out bar must have at least onehole diameter of material around the outside of the hole.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: Turbo to NSS Conversion Progress
[Re: topside]
#3132851
03/27/23 08:48 PM
03/27/23 08:48 PM
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Joined: Jan 2003
Posts: 693 Dunnellon, FL
longram60
mopar
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mopar
Joined: Jan 2003
Posts: 693
Dunnellon, FL
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I'm a bit surprised that a 4-door isn't an issue with the rules.
They don’t have a two door rule so station wagons can compete (I ran a four door in that category for years).
1979 AMC Spirit, NHRA Q/SA
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Re: Turbo to NSS Conversion Progress
[Re: longram60]
#3132865
03/27/23 09:45 PM
03/27/23 09:45 PM
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Joined: Mar 2006
Posts: 9,863 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,863
MI, usa
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There is a handful of max wedge and Hemi 4 door cars that were factory built. Doug
Last edited by dvw; 03/27/23 09:45 PM.
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Re: Turbo to NSS Conversion Progress
[Re: dizuster]
#3133303
03/29/23 01:47 PM
03/29/23 01:47 PM
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Joined: Sep 2003
Posts: 19,521 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,521
north of coder
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all your welds look excellent except for the extreme undercut on the tube to floor plate, and what looks like holes caused by contamination. will that weld hold ? most likely, but if it were me, i would re-do that one. just tossing that out there, and in no way attempting to make you look bad, so please don't take it as such.
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Re: Turbo to NSS Conversion Progress
[Re: moparx]
#3133347
03/29/23 02:55 PM
03/29/23 02:55 PM
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Joined: Jan 2003
Posts: 75,071 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,071
U.S.S.A.
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all your welds look excellent except for the extreme undercut on the tube to floor plate, and what looks like holes caused by contamination. will that weld hold ? most likely, but if it were me, i would re-do that one. just tossing that out there, and in no way attempting to make you look bad, so please don't take it as such. I was thinking the same thing when I saw that picture , grinding and welding over it at a minimum?
running up my post count some more .
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Re: Turbo to NSS Conversion Progress
[Re: JohnRR]
#3133400
03/29/23 04:56 PM
03/29/23 04:56 PM
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Joined: Mar 2006
Posts: 9,863 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,863
MI, usa
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I will address it when I have it to swap the ring and pinion. Doug
Last edited by dvw; 03/29/23 08:45 PM.
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Re: Turbo to NSS Conversion Progress
[Re: dizuster]
#3133827
03/31/23 09:46 AM
03/31/23 09:46 AM
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Joined: Jul 2010
Posts: 680 COLUMBUS, OH
Whompin_Wedge
mopar
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mopar
Joined: Jul 2010
Posts: 680
COLUMBUS, OH
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Can not wait to see this thing hit the track!
I am however upset you removed the interior..... I still miss the looks of the bench seats in the Coronet.
Casey FJ 1,00,000% agree with you. I must be getting old because I decided the risk of crashing with the unattached bench seat, and only 4 old 1962 studs holding that behemoth in was a bad idea. I only did it for safety, because if it was just weight and ET I would rather have been slow and kept the look! I get it and don't blame you one bit. Hey, if you need seat covers made I know someone!! HAHA. Thanks, Casey FJ
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