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AWD Spyder - Fast for cheap attempt

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renovatdkitchen updated AWD Spyder DD

A year after picking up a brz and subsequently turboing it, I had the chance to work on the spyder.
The wastegate is blowing open at lower RPM's but Im also currently just using one wastage port. I also max out the 1000cc's at 6k rpm, 10.8 afr spraying 28gph of meth at 10*. The new injectors and pump have just arrived so I'll swap them in when I get a chance.

38psi at the 6k mark makes so much torque it feels unbelievable!

View updates to this DSM profile...
 
A year after picking up a brz and subsequently turboing it, I had the chance to work on the spyder.
The wastegate is blowing open at lower RPM's but Im also currently just using one wastage port. I also max out the 1000cc's at 6k rpm, 10.8 afr spraying 28gph of meth at 10*. The new injectors and pump have just arrived so I'll swap them in when I get a chance.

The funny thing is, I thought that the brz south a gtx3076r pulled hard at 14psi. Getting back into the dsm, once I started turning up the boost and got to 38psi at the 6k mark, it makes so much torque its unreal! I missed this thing!!
 
Getting ready for the first drag day in a very long time, fixed the boost issue after the video by swapping out the ancient boost solenoid with a new Hallman controller.

First test "launch":


So far this ultimate ghetto motor build has held up let's see what she'll run in the quarter!

IG: @boostedengineering
 

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After overheating the trans from doing 6 back to back launches, I messed up the sprag in the converter which kept me from achieving any kinds of time slips. After fixing that, I went back and did an 11.2 while breaking up half way down the track and beyond, while also skipping over 2nd gear ( I manually shifted and the box auto shifted at the same time). It did manage to do some mid 1.5 60' times, launching at nearly 5k rpm and 25psi.

My solution was to O-ring the block in the car and use a OEM composite head gasket. After that, I go to change the oil and its all full of metal. But after a full tear down, the bearings and oil pump were all fine. So I took things a step further and did ARP mains with new King XP bearings, still without removing the block. Yes, no line hone was done, in the name of science. Excluding used parts from my other builds (such as timing components and control arms), there is under $5k CAD invested in this car so far.

 
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Did the old bearings look like they were the source of the metal in the oil? I would be pretty alarmed if you never found out where it was coming from.
 
Did the old bearings look like they were the source of the metal in the oil? I would be pretty alarmed if you never found out where it was coming from.

I'll upload pictures of all the details a bit later, the metal in the oil was so fine that even my Fp turbo oil filter didn't catch any. All the bearings looked "tired" but not bad. Just normal wear. And the oil pump was pretty much spotless.

I was alarmed at first, at this point my best guess is its from breaking the bearings in because everything came out clean and each cylinder has nearly perfect Leakdown numbers even when testing cold.
 
The motor is a hack, used NPR non-turbo pistons (9:1cr) modified for eagle rods. I didn't even re ring them, pulled them out of a spare parts bucket LOL

Machine shop didn't inspect the head and 2 valves weren't fully closing so I popped out the two lifters and ground them down until they would. Two of my unknown used dual valve spring retainers are also messed up, LOL. But so far it's seen a max of 8000rpm, 45psi, 19* of timing (I know...) at 10.8afr on 94 and 28gph of meth and makes great low end torque.
 

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That converter seem to.loose fpr that trap

Im sure it's not perfect, but it's so late in the season there's not enogh time to swap it yet again. I forgot to that day, but what I do is pump in fresh trans fluid right before the pass in the staging lanes. I made a thingy for it ;) .
 
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So after doing an exhaust leak test, I found a few big ones (pre turbo), I only had spare time to fix one LOL.

But it was enough for a 10.8, which is not bad considering the build. I also loved hitting 1.5 60' times consistently, thank you automagic! I did have to let off half way through third due to fueling issues. Fuel pressure drops to about 50psi :barf:

 
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Small update, I built a surge tank using the stock hardlines and now it doesnt break up up top.

Managed to do a 10.61@128 with a 1.550 60' after a burnout, it was just too cold out 41*f (5*c) for a better launch. Still have an exhaust manifold leak gonna have to resurface the manifold atthis point but overall not bad.
 
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I bought a PSB-1 and I have ECMlink but the more I think about this, the more I am not sure how to make everything work together. Can you offer some details about what you are doing here? Are you actually using the boost cut relay from the PSB-1? How are your wideband and MAP sensor getting signals to both PSB-1 and ECMlink?
 
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