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04-09-2012
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#1 |
 Join Date: May 2011
Location: Sydney, Australia
Posts: 2,479
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SLP cold air intake.
Has there been any studies on the SLP cold air intake? Is it worth $300.00
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Robert J. DeMarco [SIGPIC][/SIGPIC] [COLOR=blue]G[/COLOR][COLOR=red]rand[/COLOR] [COLOR=blue]S[/COLOR][COLOR=red]port[/COLOR] Registry Lifetime Member NCM Lifetime Member #2655 Pacecar Registry Member [COLOR=red]ZOOM Charter Member - ZR-1 Owners of Michigan[/COLOR] [COLOR=plum][I]ZR-1[/I] Registry member since 2012 [/COLOR] [COLOR=black]1990 LPE "368" Aerobody ZR-1, Last ZR-1 built by John[/COLOR] 1991 Callaway Aerobody ZR-1, DRM 500 1991 Shinoda Aerobody Spyder, 1998 Pace Car |
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04-09-2012
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#2 |
 
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: SLP cold air intake.
I've got one I'll sell you after I get my stainless air box.
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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04-09-2012
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#3 | |
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Join Date: May 2011
Location: Sydney, Australia
Posts: 2,479
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Re: SLP cold air intake.
Quote:
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Robert J. DeMarco [SIGPIC][/SIGPIC] [COLOR=blue]G[/COLOR][COLOR=red]rand[/COLOR] [COLOR=blue]S[/COLOR][COLOR=red]port[/COLOR] Registry Lifetime Member NCM Lifetime Member #2655 Pacecar Registry Member [COLOR=red]ZOOM Charter Member - ZR-1 Owners of Michigan[/COLOR] [COLOR=plum][I]ZR-1[/I] Registry member since 2012 [/COLOR] [COLOR=black]1990 LPE "368" Aerobody ZR-1, Last ZR-1 built by John[/COLOR] 1991 Callaway Aerobody ZR-1, DRM 500 1991 Shinoda Aerobody Spyder, 1998 Pace Car |
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04-09-2012
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#4 |
  
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: SLP cold air intake.
As I recall, the total surface area of the three cone filters was a little more than the stock or even the flat K&N. Theoretically, that would be advantageous, I suppose. But, sorry...No data for comparison.
P.
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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04-09-2012
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#5 |
Join Date: Aug 2005
Location: Scottsdale, AZ
Posts: 2,452
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Re: SLP cold air intake.
Locobob did a comparison, looked like 1 to 3 hp gain with the claw if I remember correctly
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04-10-2012
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#6 |
 Join Date: Jan 2004
Location: Portland, OR
Posts: 1,057
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Re: SLP cold air intake.
Here is the old post from the CF. Results for peak HP were within margin of error but notice the average HP and Torque numbers show a small gain.
Today myself and forum member/dyno owner TJ Wong set out to find the truth regarding C4 air intakes. We dyno tested 3 different air intakes on my Lingenfelter 368cid LT5. Tested today were: stock with paper element, stock with K&N element and a cut lid, and finally SLP's "claw" tri-cone filter design. All dyno pulls were made with starting coolant temps at 195 degrees F. Here are the results. Stock with paper, two identical pulls: 477rwhp. Avg. peak HP 477 Stock with K&N and cut lid, three pulls: 471, 475, 480rwhp. Avg. peak HP 475.3 SLP tri-cone "claw", three pulls: 477, 478, 481rwhp. Avg. peak HP 478.7 It would appear that the naysayers are mostly correct about C4 air intakes, not much to be gained here. Both Tom and I were rather suprised with the results. We had expected to see some small but visible gains with the cut-lid and SLP, instead we got a bunch of tests with peak numbers being basically the same or well within normal dyno pull to pull variation. The SLP unit does seem to have a small advantage over the others but suprisingly it's in mid range power not peak (see dyno graph average power #'s). 
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Robert ZR-1 Net Registry Oregon State Director 91 ZR-1 #431 Black/Black LPE 368 Last edited by Locobob; 04-10-2012 at 03:30 AM. |
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