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New tunnel ram top
#3003317
01/08/22 10:24 PM
01/08/22 10:24 PM
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
Plymouth340
OP
mopar
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OP
mopar
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CEDAR RAPIDS
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I built this dual 4 Barrel tunnel ram top with sheer plates. What are your thoughts how it will work? For a 800 HP W7 small block
Last edited by Plymouth340; 01/10/22 02:22 PM.
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Re: New tunnel ram top
[Re: tboomer]
#3003671
01/09/22 10:41 PM
01/09/22 10:41 PM
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Joined: Jan 2003
Posts: 6,187
Melbourne , Australia
LA360
master
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master
Joined: Jan 2003
Posts: 6,187
Melbourne , Australia
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All the tunnel ram intake tops I've seen have a 3D machined insert that the shear plate fitted on to. They usually just featured a radius to transition from the carb to the plenum.
Alan Jones
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Re: New tunnel ram top
[Re: LA360]
#3003692
01/10/22 01:03 AM
01/10/22 01:03 AM
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
Plymouth340
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OP
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All the tunnel ram intake tops I've seen have a 3D machined insert that the shear plate fitted on to. They usually just featured a radius to transition from the carb to the plenum.
Last edited by Plymouth340; 01/10/22 02:24 PM.
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Re: New tunnel ram top
[Re: HardcoreB]
#3003835
01/10/22 02:02 PM
01/10/22 02:02 PM
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
Plymouth340
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From what I can see everything 'looks' right. Are the runners optimized to your application? Regardless, if you've converted a single 4 top to the dual top, I'd say that'll show some measurable gains! The anti-revesion plates as has been mentioned will help too. What's going on top of those??? Got two APD 950s coming ...before i was running a single 1200 on this tunnel ram
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Re: New tunnel ram top
[Re: Plymouth340]
#3004823
01/13/22 09:28 AM
01/13/22 09:28 AM
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Joined: Jan 2003
Posts: 4,295
Shelby Twp. Mi
HardcoreB
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Joined: Jan 2003
Posts: 4,295
Shelby Twp. Mi
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From what I can see everything 'looks' right. Are the runners optimized to your application? Regardless, if you've converted a single 4 top to the dual top, I'd say that'll show some measurable gains! The anti-revesion plates as has been mentioned will help too. What's going on top of those??? Got two APD 950s coming ...before i was running a single 1200 on this tunnel ram Nearly every time I see or hear 'sheer plates' I assume 'ANTI-REVERSION' is what was meant but, I'd be wrong. I'd pop for a good pair of anti-reversion plates (for a number of reasons) and make whatever mods are necessary to fit those. In my experiences, 'those' will almost certainly show improvement on 'line-of-sight' runner orientation configurations. Wilson are the one's I've seen and used but there are others that are THAT STYLE that'll work. Other brands just don't come to mind ATM.
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Re: New tunnel ram top
[Re: HardcoreB]
#3005416
01/14/22 11:19 PM
01/14/22 11:19 PM
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
Plymouth340
OP
mopar
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OP
mopar
Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
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From what I can see everything 'looks' right. Are the runners optimized to your application? Regardless, if you've converted a single 4 top to the dual top, I'd say that'll show some measurable gains! The anti-revesion plates as has been mentioned will help too. What's going on top of those??? Got two APD 950s coming ...before i was running a single 1200 on this tunnel ram Nearly every time I see or hear 'sheer plates' I assume 'ANTI-REVERSION' is what was meant but, I'd be wrong. I'd pop for a good pair of anti-reversion plates (for a number of reasons) and make whatever mods are necessary to fit those. In my experiences, 'those' will almost certainly show improvement on 'line-of-sight' runner orientation configurations. Wilson are the one's I've seen and used but there are others that are THAT STYLE that'll work. Other brands just don't come to mind ATM. So what is the difference between sheer plates and anti reversion plates? On Wilson manifolds website I see nothing that's said anti-reversion plate
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Re: New tunnel ram top
[Re: Plymouth340]
#3005824
01/16/22 02:32 AM
01/16/22 02:32 AM
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Joined: Jan 2003
Posts: 6,187
Melbourne , Australia
LA360
master
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master
Joined: Jan 2003
Posts: 6,187
Melbourne , Australia
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From what I can see everything 'looks' right. Are the runners optimized to your application? Regardless, if you've converted a single 4 top to the dual top, I'd say that'll show some measurable gains! The anti-revesion plates as has been mentioned will help too. What's going on top of those??? Got two APD 950s coming ...before i was running a single 1200 on this tunnel ram Nearly every time I see or hear 'sheer plates' I assume 'ANTI-REVERSION' is what was meant but, I'd be wrong. I'd pop for a good pair of anti-reversion plates (for a number of reasons) and make whatever mods are necessary to fit those. In my experiences, 'those' will almost certainly show improvement on 'line-of-sight' runner orientation configurations. Wilson are the one's I've seen and used but there are others that are THAT STYLE that'll work. Other brands just don't come to mind ATM. So what is the difference between sheer plates and anti reversion plates? On Wilson manifolds website I see nothing that's said anti-reversion plate They are the same thing from what I have been lead to believe. Any others I refer to as a transition spacer. I took this information from a podcast or video with Darin Morgan. I figure he knows more than I do.
Alan Jones
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Re: New tunnel ram top
[Re: Plymouth340]
#3006535
01/18/22 12:48 PM
01/18/22 12:48 PM
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Joined: Jan 2004
Posts: 4,695
Motor City
6PKRTSE
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master
Joined: Jan 2004
Posts: 4,695
Motor City
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I did the same with my top. I also made white nylon spacer for heat dissipation on the street. If you look closely you can see it sandwiched in there.
1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
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Re: New tunnel ram top
[Re: 6PKRTSE]
#3006592
01/18/22 06:06 PM
01/18/22 06:06 PM
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
Plymouth340
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OP
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Joined: Feb 2006
Posts: 501
CEDAR RAPIDS
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I did the same with my top. I also made white nylon spacer for heat dissipation on the street. If you look closely you can see it sandwiched in there. Looks good
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