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Re: 72 duster [Re: RustyM] #2482115
04/13/18 12:52 PM
04/13/18 12:52 PM
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RustyM Offline OP
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ok- Think I have the drivetrain aligned in the horizontal axis- i'm inside 1/16 from pinion centerline to crankshaft centerline at front of engine.
yep, things are tight on passenger side, will cut/dimple die some access areas for plugs on passenger side.

now- can anyone tell me what the engine angle is supposed to be in the vertical plane when setting up these cars?

I will be measuring pinion angle this morning but can say its not bad now.

Just wondering if there is a "rule of thumb" for engine pitch before a start working on pinion angle.

Thanks for any info.

Re: 72 duster [Re: RustyM] #2482480
04/14/18 10:57 AM
04/14/18 10:57 AM
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north of coder
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most of the ones i have measured come at around a 3* pitch to the rear, with the carb base on the original intake level. if you look at an intake on a table, you can see the rearward pitch compared to the carb base.
beer

Re: 72 duster [Re: RustyM] #2482574
04/14/18 01:42 PM
04/14/18 01:42 PM
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thanks

Re: 72 duster [Re: RustyM] #2482612
04/14/18 03:11 PM
04/14/18 03:11 PM
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I don't worry much about the left to right misalignment positioning of the motor due to the tranny U joint needing misalignment for it to work properly on the needles bearings, if it is off some it makes the needle inside move and rotate more.
As far as the angle of the carb flange on the intake manifold that changes a tiny bit when you climb into the car, doesn't it work
It is really nice to get as close to as you want it as possible so you are happy with your work up wrench grin

Last edited by Cab_Burge; 04/14/18 03:11 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 72 duster [Re: RustyM] #2485251
04/19/18 08:30 PM
04/19/18 08:30 PM
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bad day: Willwood drag brakes ( rear ) hat is only set up for 1/2 studs.
I call them, tell them i ordered it for 5/8 studs and gave them my axle register info, hat register is much larger.

They tell me they dont make a hat with 5/8 studs, have to be drilled.
I ask what bit to use to have correct tolerances- they don"t know>
Ask about the register issues- they don't know, its a universal hat.

I wait an hour, call back, i'm told you cannot drill the hats and they don't make any for 5/8 studs and dont know why a 5/8 stud has a 11/16 shank anyway.

Idiots!!

Weld wheels- ordered for 5/8 studs.
What do i get, rims for 1/2 inch, what am I told- drill them.
Idiots!

why place an order , take my order and not say anything?

Will never purchase anything else from Willwood or Weld again- EVER.

So, I
drill one hat to 11/16 knowing dang well its not going to allow enough clearance and, sure enough, too tight.
Done on drill press/centered- but axle stud locating just isn't that accurate .
Anyone know what size bit is proper to drill these stupid things and not have them sloppy ?

Thanks,
One mad Texan.

Re: 72 duster [Re: RustyM] #2485252
04/19/18 08:32 PM
04/19/18 08:32 PM
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Then i try to register at Yellow bullet and- their stupid software keeps asking for some security question garbage that- you guessed it- doesn't freaking work.

Re: 72 duster [Re: RustyM] #2485256
04/19/18 08:36 PM
04/19/18 08:36 PM
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I was watching TV last night and they built an entire race car in one show. Dang those boys on TV are fast.

Re: 72 duster [Re: AndyF] #2485262
04/19/18 08:49 PM
04/19/18 08:49 PM
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pittsburghracer Offline
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Originally Posted By AndyF
I was watching TV last night and they built an entire race car in one show. Dang those boys on TV are fast.



Not only that. They never sweat or bloody a knuckle


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: 72 duster [Re: pittsburghracer] #2485267
04/19/18 08:58 PM
04/19/18 08:58 PM
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Originally Posted By pittsburghracer
Originally Posted By AndyF
I was watching TV last night and they built an entire race car in one show. Dang those boys on TV are fast.



Not only that. They never sweat or bloody a knuckle
haha Yeah, right downTthey don't do any actual work either, all acting whistling work grin


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 72 duster [Re: RustyM] #2485281
04/19/18 09:35 PM
04/19/18 09:35 PM
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whats a Tv??
Grin

Re: 72 duster [Re: RustyM] #2485289
04/19/18 09:47 PM
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Anyone drilled these hats and if so, what did you use to get proper clearances .

Re: 72 duster [Re: RustyM] #2485298
04/19/18 10:04 PM
04/19/18 10:04 PM
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If the studs are straight then 11/16 will be clearance for 5/8 studs. If the studs aren't perfect then you might have to open one or two holes up a touch more. 0.060 clearance on a stud is a lot. If that doesn't clear then your studs are not in there very straight. If that is the case then you'll have issues with the wheel also. Better to solve the root problem than to hog everything out......

Re: 72 duster [Re: RustyM] #2485304
04/19/18 10:13 PM
04/19/18 10:13 PM
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Mt. Vernon, Ohio
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when I bought my weld wheels they came with holes for 5/8 stud's and you had to use a lug nut with a shank that fits the wheel for alignment when using a 1/2 stud,, 11/16 hole should be god's plenty of clearance to fit a 5/8 stud, if you are using a standard drill bit,then it is walking around and making the hole oblong and probably won't be on center, need to find a 4 flute core drill that has a flute at every 45 degrees for more support, it's hard to make an accurate hole size with only two points of contact and nothing to keep it supported between them when you have a starting hole that big.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 72 duster [Re: AndyF] #2485308
04/19/18 10:28 PM
04/19/18 10:28 PM
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Studs are new Strange units , shanks are 11/16 dead on.
Thread ends are 5/8.
I ordered them to be long enough on the shank for the brake hat , weld wheel center sections, then I have to spacer/washer, then the 15/16's nut.
These are Mark Williams axles so- should be straight on hole bores/spacing.

Hell, I can order anything for a freaking Chevrolet and it fits- no problems.
Nothing for the Mopars has fit other than engine/transmission internals and your parts- literally nothing else has fit/ worked- period.

I have 14k worth of parts sitting here and so far- nothing but pure hell and these "Race Parts" companies don't have help any different than Autozone.

I take that back- all of Strange's stuff has fit/worked properly.

I guess im just going to eat the one hat, send everything Wilwood back and by Strange or something.
I simply cannot keep working 12-14 hr days and not getting 6 hours of real work done.

I put a whole new suspension- front and rear, tubulars, anti squat , disks etc on this 65 chevy truck in a day and a half-every piece was correct, everything fit as expected.

Freaking Mopar Major suppliers are useless .

arrgghh

Re: 72 duster [Re: dartman366] #2485311
04/19/18 10:30 PM
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Weld says they wont fit without being "relieved".
I can wiggle , push, bump etc and get the wheel over the studs- but its just too tight.
Weld agrees and says they have to be relieved.

Re: 72 duster [Re: RustyM] #2485317
04/19/18 10:44 PM
04/19/18 10:44 PM
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run a reamer thru the holes, I had to do this after using the 1/2 studs with the shank style lug nut's and they swelled the holes in the wheels slightly,I used the moroso 5/8 stud kit,,strange has brake hats that will fit 5/8 studs kit, at least mine did, I really like mine, I bought the complete front and rear kit including the matching master cylander.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 72 duster [Re: RustyM] #2485330
04/19/18 11:20 PM
04/19/18 11:20 PM
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Originally Posted By RustyM


Hell, I can order anything for a freaking Chevrolet and it fits- no problems.
Nothing for the Mopars has fit other than engine/transmission internals and your parts- literally nothing else has fit/ worked- period.



The only reason I started making parts was because I got tired of buying garbage from Mopar Performance and Hamburger and other Mopar suppliers. I got sick of paying good money for crap that I had to re-machine before it would fit.

Re: 72 duster [Re: RustyM] #2485378
04/20/18 12:42 AM
04/20/18 12:42 AM
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Agreed Andy : It’s horrible out here.
I appreciate the thoughtfulness and accuracy of the parts we have gotten from you.
I forgot to mention the Gerst front suspension did fit like a glove- no issues at all and Carl Gerst is just one of those “ jewels “ of a guy.
I think everyone here would like him .

I’m just really frustrated and - sorry I vented here.
I have a very low tolerance for what goes on with these parts suppliers .
Too many people just reading screens.
Tech support that seems it couldn’t open a coke can without a screen shot, don’t know thief products and- my favorite - getting different answers to the same questions from different people at the same company .

Our time ,,, matters.

Yep- I’m old.
I came up when customer support was king, knowing product was important, returning phone calls was important and not doing so , well, you didn’t want to get called into the office over that.

Tradecraft, accuracy , problem solving - these things were important.

Ok- Rant over.
I will work problems to solutions tomorrow, pick up the type drill bit mentioned.
Set up a dial indicator and make sure I don’t have a problem at the axle end .

I will win.

I have 5 mopars sitting here to build after this one, one more may be on the way.
Hopefully by the time I get to the next one- I will have parts pipeline figured out better, know where the land mines are and how to navigate them.

Once again: I can’t say enough how much I appreciate the Moparts community.

Re: 72 duster [Re: dartman366] #2485384
04/20/18 12:47 AM
04/20/18 12:47 AM
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Thanks Dartman: I will go get one of those bits in the morning.
I’m going to check runout on my drill press as well.
Going to dial indicate my axle ends/.
Put studs back in and run those- Think Andy had a good idea in checking to make sure I don’t have problem I could correct wrongly .

The bit issue makes sense as well.
Might be an error on my end by using a regular ( but new! Grin) bit .

I appreciate the help - truly .
Thanks

Re: 72 duster [Re: RustyM] #2485394
04/20/18 01:00 AM
04/20/18 01:00 AM
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Fulton County, PA
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Wheels are made for 1/2" shank style nuts which are a few thou under 11/16" diameter in the shank. A little honing or fitting is usually required. I usually get them to fit snug at first since they will loosen up some with use and I don't want them sloppy loose. Typically I'll use a stud to fit each hole rather than trying to fit 5 at a time. I suppose another option is to turn a few thou from the stud.

Last edited by CMcAllister; 04/20/18 01:32 AM.

If the results don't match the theory, change the theory.
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