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Re: Turbo to NSS Conversion Progress [Re: JERICOGTX] #3132612
03/27/23 07:55 AM
03/27/23 07:55 AM
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MI, usa
dvw Offline
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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

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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Posts: 10,022
MN
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JERICOGTX Offline
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MN
Originally Posted by dvw
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
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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Posts: 2,296
NE Ohio
DoubleD Offline
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Originally Posted by JERICOGTX
Originally Posted by dvw
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

Re: Turbo to NSS Conversion Progress [Re: DoubleD] #3132628
03/27/23 09:42 AM
03/27/23 09:42 AM
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Oakland, MI
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dizuster Offline OP
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Thanks for pointing it out.

It measures within the 8", but I'll check with NHRA on the lower bar and swing out just to make sure.

The roll bar and swing out has been in the car for 10 years. I'm just adding the halo.

Re: Turbo to NSS Conversion Progress [Re: dizuster] #3132632
03/27/23 09:52 AM
03/27/23 09:52 AM
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Oakland, MI
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dizuster Offline OP
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Here is the weight save detail. The biggest mystery is the actual small block to big block longblock weight (block/heads/intake). Everything else should be very close.

Savoy Weight JPG.jpg
Re: Turbo to NSS Conversion Progress [Re: dizuster] #3132641
03/27/23 10:11 AM
03/27/23 10:11 AM
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Posts: 4,049
Shelby Twp. Mi
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Definitely has taken some work getting the car converted and ready for it's new powertrain and class. Nice job guys!

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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Las Vegas
Al_Alguire Offline
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Originally Posted by JERICOGTX
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"
Re: Turbo to NSS Conversion Progress [Re: Al_Alguire] #3132724
03/27/23 01:00 PM
03/27/23 01:00 PM
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Oakland, MI
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dizuster Offline OP
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I called Joe Lease at NHRA for clarification.

Two things.

1) The 8" rule is measured from the main hoop. It does not need to be measured along the angle, and especially in a case like this with the B-Pillar so far forward on a 4-door, they said no problem.

2) With the A-Pillar bar landing on the side bar, they had no problem with it as it's almost on top of the floor joint. I'm not sure how far they would let you pull this back, but in this case they had no issue.

I appreciate everyone putting eyes on it though. First and foremost I want it to be safe. Second I want to make sure it'll pass!!!!

20230327_122937.jpg20230327_122703.jpg
Re: Turbo to NSS Conversion Progress [Re: dizuster] #3132757
03/27/23 02:31 PM
03/27/23 02:31 PM
Joined: Aug 2003
Posts: 4,678
On the parachute mount
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n20mstr Offline
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On the parachute mount
Looking Great !


....BAD A$$ STREET CAR.....
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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Dunnellon, FL
longram60 Offline
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Originally Posted by topside

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
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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MI, usa
dvw Offline
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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.
Re: Turbo to NSS Conversion Progress [Re: dvw] #3132908
03/28/23 02:36 AM
03/28/23 02:36 AM
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Posts: 43,180
Bend,OR USA
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I remember seeing a 1963 Dodge 4 door hardtop in a parking lot in Riverside, CA in 1963 that came with a Max Wedge in it according to the owner, he took that motor out and put it in his 1961 Plymouth drag car that he was pulling with a tow bar with the Dodge shruggy
Memory of days gone by up


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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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north of coder
moparx Offline
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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.
beer

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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U.S.S.A.
JohnRR Offline
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Originally Posted by moparx
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.
beer


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 .
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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MI, usa
dvw Offline
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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.
Re: Turbo to NSS Conversion Progress [Re: dvw] #3133478
03/29/23 08:20 PM
03/29/23 08:20 PM
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Oakland, MI
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dizuster Offline OP
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Unfortunately I've found a bunch of issues from the old cage work that needs a little tuneup.

Rest assured it's all getting addressed one by one, no offense taken.

Re: Turbo to NSS Conversion Progress [Re: dizuster] #3133626
03/30/23 12:48 PM
03/30/23 12:48 PM
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Posts: 12,587
Great Neck,LI,new york
hemi-itis Offline
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I guess no more trips to the ice cream parlor grin


HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: Turbo to NSS Conversion Progress [Re: dizuster] #3133827
03/31/23 09:46 AM
03/31/23 09:46 AM
Joined: Jul 2010
Posts: 679
COLUMBUS, OH
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Whompin_Wedge Offline
mopar
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COLUMBUS, OH
Originally Posted by dizuster
Originally Posted by Whompin_Wedge
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

Re: Turbo to NSS Conversion Progress [Re: Whompin_Wedge] #3135852
04/06/23 08:43 AM
04/06/23 08:43 AM
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Oakland, MI
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dizuster Offline OP
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Couple more updates. Motor is at DVWs to be dropped in next week.

I was suprised... but the 28" front tire that came off DVWs 64 Plymouth would not fit my 62.

DVW cut, welded, and metal finished this front edge in about an hour or so. Absolute master.

Before and after pics.


IMG_20230406_083740.jpg20230123_210005.jpg
Re: Turbo to NSS Conversion Progress [Re: dizuster] #3135948
04/06/23 01:50 PM
04/06/23 01:50 PM
Joined: Sep 2003
Posts: 19,406
north of coder
moparx Offline
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the paint doesn't match !!!
quick ! get the acid out so the "new" metal gets rusty ! biggrin
my "azzholery" aside, that edge modification turned out great, and looks factory. DVW did a fantastic job. up bow
beer

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