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| JeffK | Ported SLP Runners | ||
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Elite Guru
 
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Bought these off a guy on TGO.
They were Mega ported by Corvetteplenum.com [IMG]http://i149.photobucket.com/albums/s46/kresge1975/1990%20Corvette/1305575333.jpg[/IMG] [IMG]http://i149.photobucket.com/albums/s46/kresge1975/1990%20Corvette/1305575335.jpg[/IMG] [IMG]http://i149.photobucket.com/albums/s46/kresge1975/1990%20Corvette/1305575337.jpg[/IMG] He didn't send all of the hardware but I will get some Stainless allens to match the rest of my stuff. |
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Posted on: 2011/5/16 20:23
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| rklessdriver | Re: Ported SLP Runners | ||
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Senior Guru
 
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I like how they siamesed them 1 1/2" to 2" off the plenum... Should extend your top end power a bit.
Will |
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Posted on: 2011/5/17 0:25
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1984 Corvette. 434 SBC with a Powerglide. Best pass - 8.48@160MPH 1.23 60ft on MT 275/60R15 Radials. 1972 Corvette. LS5 454 BBC with M20 4 speed. Best Pass - Doing good to just pass a gas station. |
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| bogus | Re: Ported SLP Runners | ||
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Grand Imperial Pooh-Bah
 
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those look serious.
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Posted on: 2011/5/17 1:32
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| Matatk | Re: Ported SLP Runners | ||
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Webmaster
 
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Looks like a nice job. A lot more chopped away than my home done version
 Matthew PS - you can either make your own gaskets or get the Mr Gasket big tube runner gaskets - see my old post about that. Also, the allen cap bolts make install soooooo much easier. |
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Posted on: 2011/5/17 1:43
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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Matthew, can I get those allen screws from somewhere or did you pick them up at a hardware store?
Do you still have the big runner gasket part #? Thanks, Jeff |
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Posted on: 2011/5/17 1:52
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| Matatk | Re: Ported SLP Runners | ||
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Webmaster
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The allen bolts were originally supplied by SLP. But you can get a set on ebay for around $30.
The Mr Gasket set is 146. Matthew |
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Posted on: 2011/5/17 2:12
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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Thanks, just got the bolt kit off ebay. I will order the gasket set when I order the intake manifold gaskets.
I wonder if the runners will fit with my tall valve covers. |
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Posted on: 2011/5/17 2:38
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| Matatk | Re: Ported SLP Runners | ||
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Webmaster
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Mine fit the edelbrocks I have, but they aren't tall. It will probably make it harder to put the bolts in/tighten them with the valve covers on.
Matthew |
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Posted on: 2011/5/17 11:38
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| Ultraman | Re: Ported SLP Runners | ||
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2015 Memorial Day Car Show Winner!
 
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I keep missing stuff. Jeff what did you finally do for your engine choice? I gotta start looking for top end breathing parts also. Is SLP better than the TPiS stuff?
They look good Jeff! |
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Posted on: 2011/5/17 11:58
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2010 Grand Sport Coupe Gone but not forgotten... Vote DeSantis in 2024.... Make the IRS go away... |
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| flyboy | Re: Ported SLP Runners | ||
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Elite Guru
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Cool, doesn't look like a whole lot of gasket contact area left there.
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Posted on: 2011/5/17 12:56
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'91coupe, LT4Hotcam, some other stuff. If it's too loud, you're too old. "He works on old cars, then junks 'em" |
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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I think once I get all the black RTV off there will be more contact area showing.
They have a blast cabinet at Mom's work, will it hurt the aluminum to sandblast the paint off? |
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Posted on: 2011/5/20 12:07
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| Ultraman | Re: Ported SLP Runners | ||
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2015 Memorial Day Car Show Winner!
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I think bead blasting would give you a nicer finish but may be wrong. Sand can be more coarse. Something I remember from the old days. may not matter.
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Posted on: 2011/5/20 13:26
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2010 Grand Sport Coupe Gone but not forgotten... Vote DeSantis in 2024.... Make the IRS go away... |
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| BillH | Re: Ported SLP Runners | ||
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The Stig Moderator
 
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Quote:
Won't "hurt" the aluminum (unless the operator doesn't know what he's doing, too much air press, staying on one spot,etc.). Glass beads will leave a much better surface finish, plastic media would be even better. A bead cabinet is one of the best things I have in my shop, cheap too. |
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Posted on: 2011/5/20 13:54
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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I would be using the blaster. I think it's sand, it's been awhile since I worked there. They do mostly aluminum parts so it might be beads. I will check.
Otherwise I get to make a mess with paint stripper again. |
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Posted on: 2011/5/20 14:04
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| BillH | Re: Ported SLP Runners | ||
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The Stig Moderator
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Quote:
You can get a 25 lb. bucket of glass beads for $25, if they would let you change it out (easy to do. |
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Posted on: 2011/5/20 14:45
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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I will check tonight when I go down to see what they have loaded in the machine.
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Posted on: 2011/5/20 16:21
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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Quote:
I missed your post, Sorry. I found a guy near me that is building me a 355 from a 91 Vette block. I have an LT$ hotcam that he is going to install too. |
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Posted on: 2011/5/23 14:14
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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The blast cabinet at mom's job is loaded with ceramic media that they use to texture aluminum. Don't think that I want to go that route. Time for some paint stripper. YAH!
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Posted on: 2011/5/23 14:15
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| BillH | Re: Ported SLP Runners | ||
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The Stig Moderator
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Quote:
If you haven't done it before, make sure the stripper is safe for alum. Aircraft Stripper can usually be found around town. |
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Posted on: 2011/5/23 14:30
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Every man dies but not every man lives. |
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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I have a can of spray on stripper that I used to get the paint off my stock runners. I think there's still some left. It did a decent job.
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Posted on: 2011/5/23 14:35
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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I think I'm going to have to make my own gaskets on these.
Only because of the plenum to runner connection. Attach file:  mrg-146_w.jpg (16.25 KB) |
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Posted on: 2011/5/23 17:42
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| JeffK | Re: Ported SLP Runners | ||
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Elite Guru
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Got one runner and the plenum stripped last night then I ran out of paint stripper.
I started sanding down the plenum for polishing..Deja Vu because I just did the same thing to my original plenum. |
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Posted on: 2011/5/27 11:32
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