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Gen 3 Dominator Q. #3066040
08/07/22 01:16 PM
08/07/22 01:16 PM
Joined: Jan 2003
Posts: 2,628
A shed in England
Tig Offline OP
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Tig  Offline OP
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Joined: Jan 2003
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A shed in England
Anyone know why there are 4 grub screws in the top of a Holley Gen 3 Dominator metering block (billet) ? They seem to be something to do with the intermediate and hi speed bleeds. The reason I ask is when I was cleaning these out with carb cleaner and an air line, I noticed they were leaking. Can I just screw these in or snug them up ? Some were backed out more than others but I've set them all flush with the top of the block (as the majority were) snugged up they go 1/16" in. My worry is these were used for fine tuning the above circuits but then again whats the point if you already have removable jets for this shruggy
Confused confused TIA up


'74 Challenger..9.46 and 145.9 so far. 4023lb!!!# N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @142.4 with our old mule 580 wedge
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
Re: Gen 3 Dominator Q. [Re: Tig] #3066047
08/07/22 02:05 PM
08/07/22 02:05 PM
Joined: Jan 2003
Posts: 14,071
So. Burlington, Vt.
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fast68plymouth Offline
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fast68plymouth  Offline
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No experience with those myself........ but leaking plugs in the metering block doesn’t sound great to me.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Gen 3 Dominator Q. [Re: Tig] #3066172
08/08/22 09:50 AM
08/08/22 09:50 AM
Joined: Jul 2004
Posts: 19,301
State of confusion
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Thumperdart Offline
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If you are referring to the 8-32 set screws tighten em up or remove em and re seal em....


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: Gen 3 Dominator Q. [Re: Thumperdart] #3066200
08/08/22 11:19 AM
08/08/22 11:19 AM
Joined: Jan 2003
Posts: 2,628
A shed in England
Tig Offline OP
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Tig  Offline OP
master

Joined: Jan 2003
Posts: 2,628
A shed in England
Originally Posted by Thumperdart
If you are referring to the 8-32 set screws tighten em up or remove em and re seal em....

I think so, there are 8 per carb. They're on the top of the metering blocks (next to a pair of brass blanking brass blanking plugs). What are they for ?


'74 Challenger..9.46 and 145.9 so far. 4023lb!!!# N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @142.4 with our old mule 580 wedge
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03






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