I'm going to cut into the V6 intake so I can put on the LS1 tb on there.
I have marked off on the V6 intake where I want take the plasma torch to it and I will finish it with the die grinder.
The 3mm thick plate of Al is the base plate for the LS1 tb and it will get cut also.
I left a big "ear"on there for the tb cable and will change the pateren so there is a second ear for nitrous and fuel selonoids to mount to.
I will post the picturs of the cut intake on my cardomain site after the choped up later tonight.

 

i wonder how hard it would be to modify the intake so i could get easy access to the valve covers, by getting rid of the runners on the plenum. cus your just putting the lsi throttle body in between the runners correct?

 

Well I cut up the plenum.
It is very thick. In some places where I cut it the plenum was up to 1/2'' thick or more like in one place. Most places like where I started the cutting in the back it was only 1/4'' thick, I wasn't expecting it to be nearly that thick so it got a little messy over the 1/2'' thick spots untill I turned the plasma cutter up to 35amps (35amps will cut about 5/8'' steel).
35amps out of that torch wasted the 1/4'' thick spots, the aluminium couldn't take the heat.

 

got any pics? what are you going to do with it now? looks like it could be similar to what i am planning to do for more plenum volume.

 

I just up dated my cardomain site with 2 pictures of the cut up plenum on the 2nd page of my cardomain site near the bottem.
I ran the torch over the magic marker line and hit it on the plenum on the pavement and it came apart.
They are pictures of the raw cuts.

 

damn , that looked like it was a pita. keep us posted on this one i'm very interested to see the results

 

This will save 20 mins of your life searching for 3 pics if you have dial up. Though you will miss out on the 15 banner add pop ups.

cardomain is not dial up friendly.

 

You did a very good job with that plasma cutter. Most people woudl of burnt through both sides. Like how you got it done by only cutting was was needed removed.

 

If you get more than 0 or 1 pop up ad( thats all I get and I go there all the time) on cardomain you need to get spybot search and destroy or some other anti spy ware soft ware.
Spy bot is free I recomend every one get it.
When you get a pop up make sure it is on top of the other windos and hold the "Alt" key then hit the "F4" key and release both. You can close it with out letting it on to your regestery.
Never hit the "X" to close a pop up.
Gumby is right I made those pages way to long, I'll fix it through out today.
By monday it should look a lot different by monday and have more pages.

 

Are you planing on porting the intake manifold, or would that not be effective on this engine?

 

I'm going to grind out enough metal to fill a bucket before the intake goes back together.
When ever you have the chance to port you intake manifold you should do so.
I could have 1/4'' or more room on the top of the intake manifold for air to move through, I would help very much to port it.

 

Thats what I was thinking too, but I didnt really mod my 2.8 much, I didnt know if there was a velocity issue, or anything like that.

 

looks to be coming along

 

People are all about velocity these days unless your a BBC guy.
You can only move air through an intake so fast and then it chokes.
A stock intake and heads will choke with that crane 272 cam and 1.6 rockers.
Once the air in your intake hits mach 0.5 you don't have any where else to go that is about as fast as air will move through the intake. Your air flow will stay about the same and you rpm's will keep going up and your power out put will go down.
In this intake its peak flow is probly less than .5 mach (only about 590 fps) so I have to make room for lots of slow air.
Now if you had a newer engine like a LS1 you could flow air to as high as mach .65
I want to dig that intake out so I can have the air moving at those high speed a around 6000 rpms insted of 4500 rpms.
And yes it might hurt a little on the low end but unless I do it I will never get my top end.