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Joined: Jun 2000
Posts: 2,621
Redneck Troll
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Redneck Troll
Joined: Jun 2000
Posts: 2,621 |
Originally posted by DemonSVT:
Originally posted by bnoon:
IIRC, the head port flange shape stayed the same, but some of the holes are in different locations. It is a do-able modification if you drill and tap.
That sounds easy enough for me. 
Don't forget about the fabricated adapter plates that are needed too. Oh, also grinding in your own injector slot to feed into the oval port since the oval port intake has it's injector centered, not offset like the twin port does. 
http://www.bnmotorsports.com
"And I will strike down upon thee with great vengeance and furious anger those who attempt to poison and destroy my CEG brothers. And you will know I am the Moderator when I lay my vengeance upon you."
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
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Posts: 9,602 |
See you are thinking about it backwards though.
I'm talking about worked oval port heads and my dual runner manifolds.
The best of both worlds...
Then toss in adjustable cam gears and raise the IMRC point and you have a very streetable race like engine.  
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Jan 2002
Posts: 344
CEG\'er
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CEG\'er
Joined: Jan 2002
Posts: 344 |
Originally posted by bnoon:
Oh, also grinding in your own injector slot to feed into the oval port since the oval port intake has it's injector centered, not offset like the twin port does.
Just wondering, what would be wrong with keeping it centered? You wouldn't have the IMRC anymore.
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Joined: Aug 2001
Posts: 5,810
Hard-core CEG'er
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Hard-core CEG'er
Joined: Aug 2001
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Centered would be better for fuel delivery, but I would still want a dual runner intake system. Demon is on the right track I think.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Joined: Jan 2002
Posts: 344
CEG\'er
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CEG\'er
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Just to clear a few things up: I experimented with some parts available to me. The plastic, oval port, 3.0L lower intake manifold will bolt directly up to a 2.5L cylinder head with no modifications, no hole drilling. However, the ports in the 2.5L head do not entirely fit inside the oval shaped lower intake, i.e. it will leak bad. And as said earlier, the injector port is a problem. It is centered and situated very low on the lower intake. You would get about half the spray in the ports and the other half on the intake mounting surface. A spacer plate would be required. Sealing the spacer plate might be a little tricky but do-able. Sounds like a good opportunity for someone to make up a conversion kit and sell it here. 
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Joined: Aug 2001
Posts: 1,089
Hard-core CEG\'er
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Hard-core CEG\'er
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you guys need jiako to get on these boards he used a 2001 block with oval ports and mated the SVT LIM AND UIM to the heads he made a custom gasket and did some work on the heads involving a new injector seat and some mild porting..
i have pics of it if you guys want to see
Last edited by svttour; 09/24/03 05:23 PM.
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Joined: Aug 2001
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Hard-core CEG'er
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Yes! I remember what he did but I never saw pictures of it.
Haven't seen him around in a while either.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
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I am VERY interested in seeing the pictures!!!
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Sep 2000
Posts: 7,025
Hard-core CEG'er
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Hard-core CEG'er
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couldnt you just save yourself some time and use the 3L oval port LIM and then just bore the svt UIM to match, instead of boring both the SVT LIM and UIM? 
Jim Hahn
1996 T-Red Contour SE Reborn 4/6/04
3.0L swap and Arizona Dyno Chip Turbo Kit
364 whp, 410 wtq @ 4,700 rpm
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
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Originally posted by beyondloadedSE:
couldnt you just save yourself some time and use the 3L oval port LIM and then just bore the svt UIM to match, instead of boring both the SVT LIM and UIM?
You seem to be missing the Entire point that the secondary plates ARE IN the LIM...
It would be kind of hard to use the dual runner manifold system properly without them eh? 
Mixing and matching would serve no purpose. Your best bet is to use a complete set of either. Be it the Oval port setup and sending the UIM to Extrude Hone (ala the ST220) or using the dual runner setup (In my case a TH UIM and modified LIM with secondaries)
~~~
BTW - Where are those pictures svttour???
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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