BG 625 road demon info ?
#2735626
01/22/20 03:28 PM
01/22/20 03:28 PM
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Joined: May 2004
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robin hood country
deaks
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I have what I think is a 625 road demon but I can't find any proper details on it. Number on the metering block is A12400X, It came in the box with 850 vs on it but I think it's smaller, it's got 58 primary jets, 74 main jets and a 6.5 PV, 1.56, 1.69 butterflies.
Mick
Last edited by deaks; 01/22/20 03:41 PM.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: BG 625 road demon info ?
[Re: deaks]
#2735673
01/22/20 08:00 PM
01/22/20 08:00 PM
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Joined: Jan 2003
Posts: 14,491
So. Burlington, Vt.
fast68plymouth
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The 525 and 625 are the same “size”(1.280 venturi).
The 525 has annular boosters, 625 downleg.
58/74 jetting is stock for the 525.
70/78 jetting is stock for the 625
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: BG 625 road demon info ?
[Re: fast68plymouth]
#2736245
01/24/20 06:20 PM
01/24/20 06:20 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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It's got downleg boosters and 58, 74 jetting ?
Last edited by deaks; 01/24/20 06:25 PM.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: BG 625 road demon info ?
[Re: deaks]
#2736259
01/24/20 06:43 PM
01/24/20 06:43 PM
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Joined: Jan 2003
Posts: 14,491
So. Burlington, Vt.
fast68plymouth
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I Live Here
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Well, according to my old Demon catalog...... downleg boosters would be a 625, which “should” have come with 70/78 jets.
The description states that the “Road Demon 625” has downleg primary boosters and annular secondary boosters.
The 525 has annular front and rear.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: BG 625 road demon info ?
[Re: deaks]
#2736878
01/26/20 07:51 PM
01/26/20 07:51 PM
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Joined: Jan 2003
Posts: 14,491
So. Burlington, Vt.
fast68plymouth
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Can’t see the primary boosters with the choke closed.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: BG 625 road demon info ?
[Re: deaks]
#2737123
01/27/20 03:46 PM
01/27/20 03:46 PM
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Joined: Jan 2003
Posts: 14,491
So. Burlington, Vt.
fast68plymouth
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Looks like annular boosters front and rear to me...... which would make it a 525.
The 625 has smaller/thinner primary boosters.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: BG 625 road demon info ?
[Re: fast68plymouth]
#2737128
01/27/20 03:55 PM
01/27/20 03:55 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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OP
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robin hood country
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I thought annular boosters had small holes in ? Do you think the 525 will be too small for my fairly mild magnum 360 ?
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: BG 625 road demon info ?
[Re: deaks]
#2737129
01/27/20 03:57 PM
01/27/20 03:57 PM
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Joined: Jan 2003
Posts: 14,491
So. Burlington, Vt.
fast68plymouth
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I Live Here
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So. Burlington, Vt.
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Just try it.
You’ll either like it or you won’t.
The only difference in flow between that and a 625 is the primary boosters.
It looks like it’s a 525 to me, and it sounds like it has the stock jets in it.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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