New tunnel ram top
#3003317
01/08/22 10:24 PM
01/08/22 10:24 PM
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Plymouth340
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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
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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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Plymouth340
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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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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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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
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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
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master
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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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Posts: 4,693 Motor City
6PKRTSE
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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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Plymouth340
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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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