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The July edition of Popular Hot Rodding has a nice artical about it. It's the first aftermarket composite manifold to be offered. It has design work from Nascar wizards like Keith Wilson and offers "nitrous blow out panels" and "Witness Grooves" for custom port matching. It has dyno proven gains of 33 hp over an LS1 intake with very little (3ft-lbs) of torque loss down low and 28 ft-lbs gain up top. Looks pretty nice..the only thing I can't tell is...the mule was a GMPP 320hp Fbody crate LS1, but I don't know if it was an LS1 intake or an LS6 intake? LSX intake manifold
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Oh yeah, the LS1 was mildy modded with Xtreme Comp Cam's XR281HR 228 intake duration and 230 exhaust with an LSA of 112 degrees and .571/.573 @.050 lift. It also was equipped with Hooker headers.
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I've ordered one, supposed to arrive Thursday.
I'll let you know my impressions.
-------------------- Hawkeye: SSOA F98-C98
1998 SS - Black All Options - Mods Whisper Lid, K & N, Lou's Short Stick, Shift Light, Skip Shift, SLP Y, Borla, 4:10's, BMR STB, SLP SFCs, Granatelli MAF, Hypertech III, 160 Stat, Mallory Billet Pedals, Metco Aluminum LCAs,Fast Toys Ram Air Mod, Spohn Panhard Bar, BMR Torque Arm, free EGR mod,power antenna, BMR LCA brackets, Gentex Temp/Compass Auto Dim Mirror, AllMaxx Strobe and Wig Wag, BAER Eradispeed rotors,PPC Headers with Random Technology Hi Flow Cats, BMR Drive shaft Loop,FAST 78MM Throttle Body, FAST 78MM Composite Intake, Mobil 1 & lots of Zaino.
Wife & Best Friend Mary - copilot. Posts: 5558 | From: Windsor, Ontario. Canada | Registered: Feb 2000
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Hadn't seen a price on those anywhere in the magazines that's been featuring this thing, and even in the magazine ads. What's the tab on this thing?
Posts: 577 | From: Aiken, SC | Registered: May 2002
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The experience with these, is that the more heavily-modded cars derive the most benefit from this piece. Cars that are stock (or close to stock) don't usually see more than 8-10 RWHP. There doesn't seem to be a significant advantage in changing to the LSX intake over an LS6 manifold in a close-to-stock '98-'00 LS1 (with the original LS1 intake manifold).
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I have read toooooo many complaints over at LS1Tech.com to pay a grand, or $800 bucks for something that was so pourly engineered. There is no way to keep the map sensor in at the back of the intake, leaking issues, and more that can be found over at Tech. I will wait til the bugs are worked out!
-------------------- Brian
2001 red SS Convertible #5479 out of 6332 CME, Grill, Chrome 10 spoke, Dash plaque, Cover Absolute Speed 5.3L stg. 2 heads, comp 978 dual springs, ti retainers, AS ported ls6 intake, AS ported 78mm TB, TR224/.564 114lsa, TTS headers,gmmg exhaust,and more.... 409/382 rwhp/rwtq tuned Posts: 216 | From: Western NC | Registered: Apr 2002
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