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Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500304
05/25/18 01:57 PM
05/25/18 01:57 PM
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northern,Ohio,USA
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Clanton Offline OP
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I can always put in the shorter.The length of the jet may have some effect but nothing I will notice.


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500396
05/25/18 05:56 PM
05/25/18 05:56 PM
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State of confusion
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Thumperdart Offline
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It's more about being too long ESPECIALLY in the ifr's but the emulsion holes should be ok........... beer


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500413
05/25/18 06:53 PM
05/25/18 06:53 PM
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Clanton Offline OP
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I will make note of that.Ty

Last edited by Clanton; 05/25/18 06:54 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500631
05/26/18 11:31 AM
05/26/18 11:31 AM
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north of coder
moparx Offline
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nice holder you made for drilling the screws. i forgot to mention that also. a guy can do a lot without needing a mill or lathe, but in my opinion, a drill press is a must.
beer

Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500652
05/26/18 12:19 PM
05/26/18 12:19 PM
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Mt Morris Michigan
mopar dave Offline
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Nice. I used a cordless drill spun backwards and a pin vice to drill small set screws as well.

Re: picked up a 80688 holley 1050 to try [Re: moparx] #2500779
05/26/18 08:33 PM
05/26/18 08:33 PM
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Mt. Vernon, Ohio
dartman366 Offline
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Originally Posted By moparx
nice holder you made for drilling the screws. i forgot to mention that also. a guy can do a lot without needing a mill or lathe, but in my opinion, a drill press is a must.
beer
I did the same thing myself and also made a guide to hold the tap's straight while tapping the holes, being a machinist has it's perk's.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2500813
05/26/18 10:00 PM
05/26/18 10:00 PM
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Clanton Offline OP
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My 24" drill press will not hold anything under .100" But I had practice when drilling my oil restrictor for the heads with a small drill


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: dartman366] #2500972
05/27/18 12:16 PM
05/27/18 12:16 PM
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north of coder
moparx Offline
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Originally Posted By dartman366
Originally Posted By moparx
nice holder you made for drilling the screws. i forgot to mention that also. a guy can do a lot without needing a mill or lathe, but in my opinion, a drill press is a must.
beer
I did the same thing myself and also made a guide to hold the tap's straight while tapping the holes, being a machinist has it's perk's.


tap guides are a great thing to have also, and are easy to make as well. if you don't have one handy, or the tapped hole is at an angle in the piece, here is a simple way to do this.

take a drill that has a shank size that fits your hole to be tapped snugly. put that in the chuck of your press with the flutes in the chuck. [you don't have to tighten the drill as you would when drilling the correct way.] using the backwards drill to position your hole, FIRMLY clamp your work piece to the table of your press so it can't possibly move.

clamp your tap in the drill press chuck. lower the quill to your work. then using both hands, turn the chuck with one hand while applying slight, downward pressure to the feed handle with the other. this will allow you to get some starter threads in your work. after a few revolutions, hold the handle firmly in position. DO NOT allow it to move. using your free hand, loosen the chuck with the key, allowing the tap to stay in the work piece, while allowing the quill to be raised. you can now tap the piece by hand. it will be straight because it was lined up by the hole in the piece and the chuck.

a machinist does have it's "quirks". biggrin
beer

Re: picked up a 80688 holley 1050 to try [Re: moparx] #2501117
05/27/18 10:12 PM
05/27/18 10:12 PM
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Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
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Originally Posted By moparx
Originally Posted By dartman366
Originally Posted By moparx
nice holder you made for drilling the screws. i forgot to mention that also. a guy can do a lot without needing a mill or lathe, but in my opinion, a drill press is a must.
beer
I did the same thing myself and also made a guide to hold the tap's straight while tapping the holes, being a machinist has it's perk's.


tap guides are a great thing to have also, and are easy to make as well. if you don't have one handy, or the tapped hole is at an angle in the piece, here is a simple way to do this.

take a drill that has a shank size that fits your hole to be tapped snugly. put that in the chuck of your press with the flutes in the chuck. [you don't have to tighten the drill as you would when drilling the correct way.] using the backwards drill to position your hole, FIRMLY clamp your work piece to the table of your press so it can't possibly move.

clamp your tap in the drill press chuck. lower the quill to your work. then using both hands, turn the chuck with one hand while applying slight, downward pressure to the feed handle with the other. this will allow you to get some starter threads in your work. after a few revolutions, hold the handle firmly in position. DO NOT allow it to move. using your free hand, loosen the chuck with the key, allowing the tap to stay in the work piece, while allowing the quill to be raised. you can now tap the piece by hand. it will be straight because it was lined up by the hole in the piece and the chuck.

a machinist does have it's "quirks". biggrin
beer
yes, we are a quirky bunch


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502258
05/30/18 02:57 PM
05/30/18 02:57 PM
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Clanton Offline OP
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I put in the t slot a 57 from a 80 and no change.This still goes to 10/1 a/f at steady state rpm 3k.Any ideas?
timing 32 locked/checked steady


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502263
05/30/18 03:09 PM
05/30/18 03:09 PM
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So. Burlington, Vt.
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fast68plymouth Offline
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Driving it or just in neutral?

if when driving.......Put the pv back in and take out a bunch of jet.

Smaller ifr.

Bigger iab.

One thing at a time


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: picked up a 80688 holley 1050 to try [Re: fast68plymouth] #2502265
05/30/18 03:13 PM
05/30/18 03:13 PM
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Clanton Offline OP
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Originally Posted By fast68plymouth
Driving it or just in neutral?

if when driving.......Put the pv back in and take out a bunch of jet.

Smaller ifr.

Bigger iab.

One thing at a time
Just in neutral.I will take out a bunch of jet next.The richness is progressive if that helps

Last edited by Clanton; 05/30/18 03:46 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502269
05/30/18 03:20 PM
05/30/18 03:20 PM
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So. Burlington, Vt.
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fast68plymouth Offline
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I wouldn't spend much time tuning a drivability issue..... Without actually driving it.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502275
05/30/18 03:26 PM
05/30/18 03:26 PM
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Clanton Offline OP
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The main jet was it I went to a 72! pri side is all.


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502278
05/30/18 03:28 PM
05/30/18 03:28 PM
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Clanton Offline OP
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11.9 off idle 12.8 steady state 3k rpm now I think I can drive it and trust it.

Last edited by Clanton; 05/30/18 03:29 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502309
05/30/18 04:24 PM
05/30/18 04:24 PM
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Bend,OR USA
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I would shoot for, and do up 14.5 AFR or leaner at light part throttle cruise below 2700 RPM in high gear scope
That really helps keep the spark plugs clean scope
Anything richer than 13.8 AFR or lower at part throttle cruise seems to be more responsive but sometimes the butt dyno can be fooled by sensations work shruggy

Last edited by Cab_Burge; 05/30/18 04:25 PM.

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Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502323
05/30/18 05:03 PM
05/30/18 05:03 PM
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Clanton Offline OP
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I may as well change the sec jets with a 78 from the 94 in there the way things are going.I am checking things over to drive it in a day or 2.Thanks for the info Cab.


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502422
05/30/18 09:57 PM
05/30/18 09:57 PM
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Clanton Offline OP
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Not to get too far ahead of myself but the emulsion jets[3 top,bot,middle]looked small like in the .020 but are not replaceable?Could this be pulling in the extra fuel?
ps:When I change the jets in the sec side tomorrow I will check the e jets

Last edited by Clanton; 05/30/18 11:03 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502546
05/31/18 03:10 AM
05/31/18 03:10 AM
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Thumperdart Offline
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IF they really are .020 I'd plug the middle and drill/ream #1 and 3 to .026 and go from there...........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: picked up a 80688 holley 1050 to try [Re: Clanton] #2502578
05/31/18 09:10 AM
05/31/18 09:10 AM
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Clanton Offline OP
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I will check them with pin drill bits around lunch time.Should I try to get the main jet back to the 84 in this process?Having to drill the metering plate I don't think I can block any very well.

Last edited by Clanton; 05/31/18 09:12 AM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
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