C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Got Myself A Superram Plenum/Runners Kit!

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Old Jul 11, 2004 | 05:45 PM
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From: OBAMA IS HITLER
Default Got Myself A Superram Plenum/Runners Kit!

Got the kit NIB on Ebay, paid $600 (LPE sells for $850). This is the final mod, which will be put on the shelf (for, oh I dunno maybe 12 months) until the time comes when the next step up in power is desired. Currently I have the Superram intake manifold/large tube runners/52mm TB which I have yet to experience! (vette still in shop after 13 lonely weeks). Anyway, its something to look foward to, kind of a head game to myself

When I finally do decide to install the full "upper", I'll be an official member of the Superram club
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Old Jul 11, 2004 | 05:48 PM
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I didn't realize LPE raised the price. The Plenum/Runners used to sell for 650 for years. Get ready for a fun install.
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Old Jul 11, 2004 | 06:23 PM
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Steve, definitely not a cheap mod. LPE sold the kit for $750 for quite awhile before they upped the price again. The seller paid $750 back in 2000 (never installed it).

Yeah, I hear its PITA, but well worth it. Do you know of any tricks to save time/frustration?

Also, should the SR runners be ported or are they fine right out of the box?
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Old Jul 11, 2004 | 06:25 PM
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Just think you'll be able to sell your large tubes to recover some costs too. The SR is perfectly fine out of the box IMHO for a 350.
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Old Jul 11, 2004 | 06:33 PM
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Brian, thanks for your input. As for selling the LTR's, well I've been gaining a succession of used parts now, I have a shelf full of them
Well into $850 or so in extra parts
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Old Jul 11, 2004 | 06:47 PM
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Go to Sears and buy a ratcheting 1/4 inch wrench for the plenum to runner bolts. Also, if you have a TV cable, make sure it goes underneath the plenum, not on the side like the stock location. I didn't know this beforehand and had to undo everything to fix it.
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Old Jul 11, 2004 | 07:13 PM
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Steve, thanks, good info on the ratcheting wrench recommendation. TV cable not a worry, I have a ZF-6 tranny. How long to install? Is there an issue with spark plug access?
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Old Jul 11, 2004 | 07:13 PM
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When it comes time for the upper a ball-ended M6 allen wrench will do wonders.
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Old Jul 11, 2004 | 10:09 PM
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put a slit in the 4 inner runner bolts deep enough for a flathead screwdriver and that saves alot of time. and also have one of those pen extention magnets with you the whole time. good luck and enjoy.
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Old Jul 11, 2004 | 10:54 PM
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I agree, make sure you slot the bolts with a dremel that has a mini cut off wheel. If you don't have a dremel mail them to me and I will do it for you. The first 3 times I did it without the slotted bolts.What a pain.
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Old Jul 11, 2004 | 11:50 PM
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Thanks everyone, sounds like solid advice.

Pete, thank you for your offer. I do have a dremel, as well as a mini cutoff wheel....bought this stuff when I did the valve cover mod for the Pro Magnum RR clearance
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Old Jul 12, 2004 | 12:13 AM
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Boys and their toys
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Old Jul 12, 2004 | 11:04 AM
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You may also want to consider drilling out the holes in the runners and installing Helicoils so you can install the bolts from the top down. It's a big time saver, as you don't have to remove some rocker arms to access the bolts from underneath.
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Old Jul 12, 2004 | 11:44 AM
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Originally Posted by h rocks
You may also want to consider drilling out the holes in the runners and installing Helicoils so you can install the bolts from the top down. It's a big time saver, as you don't have to remove some rocker arms to access the bolts from underneath.
If you do that be sure to safety wire them bolts. One bolt that gets away and goes down that runner will surely ruin your day!
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