where are you all you at? we need pics and info about your set ups?
turbo guys
danbap
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116 Posts
WOW! I am running the 4.3" and see 10psi @ 5kRPM. Factory engine must be a HUGE restriction on flow compared to your 402 build!
What are you using for an air cleaner?
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116 Posts
I agree completely, you should be at least in the 14-16psi range. Did you use the intercooler from their kit? I would be interested to see how yours is set up since I wasn't able to install mine by "the book" and had to do all kinds of mods to get it to fit. Your truck being a 94 would make a difference though.
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8,647 Posts
what are you doing for timing/fuel?
There's an easy way to find out, temporarily replace it with some 1/4" mesh and make a quick pull.
I'd be welding my y-pipe right now, except that I was riding my bike on 10/17 and a dipsh1t in a Porsche side swiped me. Just getting over the concussion, but I had to put the truck back on the road.
I modified the upper radiator support and moved the condenser back so I could mount the intercooler behind the grill. Ditched the overflow bottle for a custom one (left over cold side piping and some scrap .063), ran a silocone 90* off the compressor, straight forward between the radiator and the support, another silocone 90* to the intercooler, silocone 90* out of the intercooler, to a long leg 45", to another long leg 45* for a slight jog to my sheetmetal air hat.
Hot side is 2-1/2" stainless I had left over from the Aston for the y-pipe, swapped the manifolds side to side, a little grinding and welding, a slight kink off the pass side, straight down to a 180* back up to the turbine flange, driver's side is a sharper kink, down past the PS pump, 90 across the front of the oil pan, 90* up to the flange. Exit is 3" stainless, v-band with a long/short leg 45* down and in, to another 45* straight and back, to a Borla XR1, going to side exit it probably 4" oval once I get it running.
No pics as I thrashed to get it back to "stock" so I could get to work on Monday(with road rashed hands, and a splitting headache.
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546 Posts
I dont think its too small... it looks to be about the same size filter I had on my setup, I was hitting 11# with it. I dont see how you would be slipping, youve got just as much wrap as I do and I dont have ANY, literaly.
What if you had a leak in the diaphram of your blow off valve... its kept open by vacume, pulling against spring tension... then when you open your throttle, the spring closes it at 0 vac... now with the aid of boost now in the chamber where that vac just was, it (boost pressure) and the spring tension keep it closed.... If your diaphram has a hole in it... the boost pressure in your intake tube could be pushing the valve open.
You could test it with a hand vac, and see if it leaks down. BUT, not everything leaks both ways... We have many diesels loosing prime at work, cause air enters them system through a hole. You would think that you would see a leak, NOT usually the case. Many times when the fuel system is presurized, the one way leak now seals iself. Very difficult to find. I would hit your valve up with a hand vac, and shop air make sure it holds both.
What if you had a leak in the diaphram of your blow off valve... its kept open by vacume, pulling against spring tension... then when you open your throttle, the spring closes it at 0 vac... now with the aid of boost now in the chamber where that vac just was, it (boost pressure) and the spring tension keep it closed.... If your diaphram has a hole in it... the boost pressure in your intake tube could be pushing the valve open.
You could test it with a hand vac, and see if it leaks down. BUT, not everything leaks both ways... We have many diesels loosing prime at work, cause air enters them system through a hole. You would think that you would see a leak, NOT usually the case. Many times when the fuel system is presurized, the one way leak now seals iself. Very difficult to find. I would hit your valve up with a hand vac, and shop air make sure it holds both.
I am planning on ordering a turbo for my truck i have a buddy that works at a custom metal fabrication shop and was wondering what all i would need to make this work i think all that is needed to get or fabricate would be the hot parts and work on a crossover pipe and down pipe? If anyone can post pictures of their setups or give me and information that would be greatly appreciated.
Pictures of your setups as far as where to mount the turbo crossover pipe hot side header downpipe? also what parts have to be custom fabricated and how hard it was to do and a rough price estimate for hardware piping turbo ect... thx
Pictures of your setups as far as where to mount the turbo crossover pipe hot side header downpipe? also what parts have to be custom fabricated and how hard it was to do and a rough price estimate for hardware piping turbo ect... thx
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1,127 Posts
man how many times you gonna post the same question??
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546 Posts
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2,332 Posts
Turbo header, crossover, downpipe, exhaust, charge piping, numerous brackets, oiling system, fuel system, intake system, intercooler mockup, the list goes onnnnnn.
Its not easy by any means, but it can be done, but not cheap either.
21 - 39 of 39 Posts
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