hi
all I started to tear into my 3.ol turbo project.
Im trying to upload some pix
on a buget in plan on running a watercooled t28 Godspeed turbo
2 1/2 ss down pipe out the prop
do the hangar 18 holley mod
water to air ebay intercooler
magnafuel reg boost ref

ill try to get up pix asap to much to see yet a lot of tubing going to be coing in and turbo will be ordered next week
heresa couple things pictured lookin down factory exhaust pipe and flapper ,lookin in the manifold after elbow is removed
boring ,but I put them in anyways
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sorry about the turn pix im still learning here lol

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i think our carb sitts 90deg to the way yours is

 

Hey Shane
Yea I did notice that in your pix .
Does your have a holley card??

 

mine originally had a rotchester 2 brrl,, i ordered a adapter plate to switch it over to a 350 holley

 

started down pipe
just received the inlet pipe for exhaust housing
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lookin good

 

Thanks more pix to come

 

where are you going to put the water back into the exhaust,, and dont forget you will want an area for your wideband o2 sensor

 

http://www.hangar18fabrication.com/blowthru.html

 

yea Shane im going to put water back in at just before the elbow lookin down on 3.5" pipe
I was going to make 3 take offs off the exhaust blank off ,but now I think im going to drill and tap 3- 1/2" fittings off manifold and run them to down pipe

I got a bung going in after the 90 on the 2 1/2 pipe post turbo of course
im getting ss heat shields made up for all piping prior to water cooling
also wrapping all piping with 2" heat wrap

 

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the second picture is my through hull water pick up for my air to water innercooler no pumps just need to be moving to get water through innercooler
excuse me welds im glad the shits getting wrapped

 

innercooler mock up so far so good
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I spotted ,drilled and tapped manifold for water return into exhaust yesterday .I did 3 holes ,but I think im going to do 4 take offs cause I think 100% water from the motor exits out the flange I blocked off
any input?
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also I need input on fuel pump im going to run something cheaper the Weldon or SX.guys have any suggestion?
im looking for atleast 90gph

 

on our boat we will prob just run a walbro 255lph i think the are 100.00 part number may be a #392

i wonder if a guy could get a rough measurement of blocked off water passage and make sure you have enough water going out the brass fittings?????? maybe youhave enough or you need to go with bigger fittings???

 

I never felt like you had to have a great deal of water moving through the center section. I would think that would be enough right there.

 

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Shane made a good point im not sure about how much water does run through there I heard all heated engine water exits out through exhaust .I did post more pix of new heat shield and all water inlets in down pipe.
I did add 4 more coolant takeoffs in manifold and in down pipe for a total of 7.Im going to cap 2 of them and use 5 .If engine runs hot ill add has needed

heres a bunch more pix
here a pic lookin in to elbow about 1 1/4 " x 1/4"
do laugh at Frankenstein downpipe
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Not to worried about the exhaust flow its a 3 1/2" pipe stock was 2 1/4"
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SS heat shield
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added 4 new takeoffs
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poor lil motor itsnt going to know what hit it lol

 

Shane
I have a boost sensitive fuel reg do I have to run a return with this blow through set up?