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Re: Indy 383-13
[Re: twayne24365]
#3044144
05/21/22 02:55 PM
05/21/22 02:55 PM
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Joined: Dec 2021
Posts: 1,117
Loudoun County, VA
Brad_Haak
super stock
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super stock
Joined: Dec 2021
Posts: 1,117
Loudoun County, VA
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https://board.moparts.org/ubbthreads/ubbthreads.php/ubb/showflat/Number/2978815/Searchpage/1/Main/243926/Words/%2B383-13/Search/true/indy-383-13.html#Post2978815
2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)
1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
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Re: Indy 383-13
[Re: Streetwize]
#3044560
05/23/22 11:05 AM
05/23/22 11:05 AM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Pretty sure they have smaller valves than the 4.50" bore 572-13's. Did there also used to be a another version of the 572-13 ?, it had a smaller intake runner volume (365cc v's 390cc ?? ) and could be used on a smaller bore  .
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 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 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: Indy 383-13
[Re: twayne24365]
#3045041
05/25/22 07:25 AM
05/25/22 07:25 AM
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Joined: Nov 2003
Posts: 1,834
NW Indiana
fbs63
top fuel
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top fuel
Joined: Nov 2003
Posts: 1,834
NW Indiana
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IIRC the valve centerline is moved to the bore center. Look closely at the head pics posted. They have a 1/2" wide ledge right below the bottom row of head studs. The 440-1 does not have this. Thats roughly the amount the valves are moved. Even if it's not the 13 degree valve angle would require custom pistons. Stock is 15 degree.
Last edited by fbs63; 05/25/22 07:29 AM.
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Re: Indy 383-13
[Re: fbs63]
#3045060
05/25/22 09:37 AM
05/25/22 09:37 AM
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Joined: Dec 2021
Posts: 1,117
Loudoun County, VA
Brad_Haak
super stock
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super stock
Joined: Dec 2021
Posts: 1,117
Loudoun County, VA
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IIRC the valve centerline is moved to the bore center. Look closely at the head pics posted. They have a 1/2" wide ledge right below the bottom row of head studs. The 440-1 does not have this. Thats roughly the amount the valves are moved. Even if it's not the 13 degree valve angle would require custom pistons. Stock is 15 degree. if you have pistons that are cut for significantly larger valves than 2.19/1.81 you could get away without custom pistons, but I'd think the steeper valve angle would be problematic otherwise.
2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)
1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
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Re: Indy 383-13
[Re: Brad_Haak]
#3048458
06/06/22 10:18 PM
06/06/22 10:18 PM
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Joined: Sep 2014
Posts: 181
Maryland
twayne24365
OP
member
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OP
member
Joined: Sep 2014
Posts: 181
Maryland
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So got a chance to go look at the heads, they deffinately are Very ported,and they are a water version which I’m glad of.
Indy aluminum block, custom pistons with aluminum rods, has a fogger setup, engine is complete in parts minus the crank, so looking forward to making a project out of this thing!
540 aluminum low deck coming soon
Last edited by twayne24365; 06/06/22 10:18 PM.
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