Fummins twins

Pics as promised

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That looks good. You must really have that 400 tucked up to the block, I usually dont have room for the v-band and have to cut it off and weld a tigh 90 onto the compressor housing to make more room.
 
A local guy machined that adapter. Lloyd at Mid Atlantic diesel got it for me. The rest is Sch. 10 316L stainless I had left over from a cannery I plumbed. 4' 45's and 90's all TIG'ed together.
 
I looked at using 5" and decided on the 4". S480 outlet was only 4" inches anyway. I can only imagine how tight a 5" 90 would be off the back of the charger.
 
thats pretty sweet roach, i'm plannin on doin twins on my conviersion if i ever get my mtr built, its nice to see what one looks like to have an idea for future reffrence.
 
I will also say....My down pipe is 5" and its tighter than a mother theresa...lol 4" would have been a breeze
 
Also using a waste gated turbo also makes it hell. I used a phat shaft 62 and I think next time I will use a non waste gated turbo
 
Robts said:
Also using a waste gated turbo also makes it hell. I used a phat shaft 62 and I think next time I will use a non waste gated turbo
Click to expand...

Not sure what style gate the phat shaft has The adjustable spring gate like CPP sells is what my HTT 62 has on it and it's nice and slim. Unless its the entire housing that makes it tight. I don't know how that will fare for your converted trucks though.
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Well, I was planning on doing a Fummins conversion in my '03, but decided to sell and recoupe some of the money I had in it... Bought my '97 OBS to do the Fummins conversion now. Anywho, I am still planning on building a HE351 over S475 set like this, but was wondering if I would have better luck running a 3rd gen manifold, or if I should stick with my stock 24V manifold that is on there now like Roach did.

-French
 
Here is a list:

First is the exhaust flange for the HE351cw: http://www.puredieselpower.com/catalog/he351-inch-exhaust-flange-p-28792.html

The two elbows needed for the hot pipe:
http://www.mcmaster.com/#iron-and-steel-pipe-fittings-and-pipe/=e7e8ja
http://www.mcmaster.com/#iron-and-steel-pipe-fittings-and-pipe/=e7e8ja

T6 turbo flange needed for the hot pipe: http://keatingmachine.com/index.php/products/turbo_chargers_and_accessories/hc5a_large_3d_to_round_pipe/

This is the site that has all of the silicone boots and the large radius mandrel bends: http://www.racepartsolutions.com/Will need the following:

1x____4" to 3.5" silicone adapter boot and clamps
1x____3" to 3.5" silicone adapter boot and clamps
1x___2.75" to 3" silicone adapter boot and clamps
3x___3" mandrel 90* elbows
2x___5" mandrel 90* elbows


I cant find dynalfex bends listed online, but here are the P/N's. They are available through any dynaflex dealer:
11T-350-90 you will need two
42P-500 (S400 outlet flange)
40-500S (clamp for the same)


The cummins compressor elbow and clamp P/N's (you will also need the oring):
3957380 turbo outlet elbow
3067979 v-band clamp


The last thing to address is the oiling, your local hydraulic shop may be the best place. Needed:

m10x1.5 to -4an straight fitting
m10x1.5 to -4an 90* fitting
1/4" NPT to -4an straight fitting
1/8 NPT to -4an straigh fitting

Then the hoses, I will have to get the measurements for them out of my box later.
 
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