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Old 02-05-2011, 02:02 PM   #461
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How can you tell when you get to the point of diminishing returns, or is the 0.040" big enough?
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Old 02-05-2011, 02:23 PM   #462
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Considering .040 is greater then most OEM applications, I'd say its more then enough.

Without checking output voltage on the coil, I'm not sure how it could be tested. Hopefully the Brain or one of the other smarter guys in here can shed some light on this in a "coils for dummies" format (as I'm also curious about it).
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Old 02-06-2011, 07:49 PM   #463
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How can you tell when you get to the point of diminishing returns, or is the 0.040" big enough?
Point of diminishing returns would be if you misfire.
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Old 02-06-2011, 08:04 PM   #464
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Spent a few hours working on the coils today.

I had to run a few more wires to the hydra- signal ground and two signal wires for the additional coils. I used some canare star quad I have from my studio. The signal wires are twisted inside the sheath and it is foil shielded. Nice cable albeit somewhat difficult to work with.




Cut apart the LS2 harness and taped it up for my setup. Used self fusing silicone tape. I may split loom it up too; it depends where it sits in the end



I would really really love to hide these coils or just move them so they are not just hanging out on top of my valve cover. The little shelf behind my turbine where that ground strap goes has enough space. But it is probably really damn hot...

All the wires are run and ready to be soldered/shrinkwrapped. It got really damn cold in the parking garage though so I'm done for the day.

I also got this oil cap off ebay today:



I thought it was plastic and was scratching off some shavings and the ****** cut me. Huzzah for $9 baller metal oil cap.
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Old 02-06-2011, 08:06 PM   #465
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Also the IM boring/reaming is all done! I am going to take it to a shop to have the neck cut off and a new flange welded on this week!
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Old 02-06-2011, 10:15 PM   #466
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Did you get that 80mm TB? Damn
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Old 02-06-2011, 10:24 PM   #467
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Hells yea coils look pretty good could you mount them on the firewall just behind the motor kinda in the same location as a NA 1.8L not sure if there is enough room but it would be a good place.
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Old 02-06-2011, 11:11 PM   #468
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No room back there- coils are too thick. :(

Maybe I can mount the plate right above the rear water neck, perpendicularly to the firewall. That might work and keep the coils from being the centerpiece of the engine bay.
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Old 02-08-2011, 02:54 PM   #469
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Fae, Make a bracket to hang the coils off the side of the IM using the bolts that attach the upper and lower halves of the IM, secure the bottom of it by using a nut/bolt through one or both of the holes in the lower IM where the IM support bracket comes off the block.
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Old 02-08-2011, 03:17 PM   #470
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Default got the car started up

I had some issues. First, when I was testing out the new coils I didn't know the plug had to be grounded before it would fire. I thought the plug wire had hot and ground. That caused me a bit of perplexification. Thinking I had fucked up and reversed hot and ground, I then switched hot and ground around. And my ECU died. That caused me sadness. Then I saw that the power for the Hydra is fused at the factory ECU location (with a FM-provided Hydra harness). And the fuse was blown. Yay! ECU not dead!

I got a new fuse and put it in, my Hydra worked AOK, I laid the plugs on the VC, and they all sparked! Now the test to see if I had done the wiring correctly. I plugged the wires into the plugs in the head, and cranked it. It fired right up! **** YEAHHHH IM ON THE ROAD AGAINN


Quote:
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Fae, Make a bracket to hang the coils off the side of the IM using the bolts that attach the upper and lower halves of the IM, secure the bottom of it by using a nut/bolt through one or both of the holes in the lower IM where the IM support bracket comes off the block.
That is a great idea. At the moment, my coolant reroute pipe is in the way and so are the fuel lines and some sensors. When I pull the IM to put the new one on I'll have to see if I can move stuff around and make that work.
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Old 02-08-2011, 03:24 PM   #471
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So when you going to go get tuned?
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Old 02-08-2011, 03:31 PM   #472
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So when you going to go get tuned?
Tuned? **** that! Fae, it's time for you to build a better PPF. That flimsy aluminum one is going to warp to pieces. Your best bet is to build a fully boxed and triangulated PPF out of testicletanium!!!
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Old 02-08-2011, 04:10 PM   #473
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Quote:
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Fae, Make a bracket to hang the coils off the side of the IM using the bolts that attach the upper and lower halves of the IM, secure the bottom of it by using a nut/bolt through one or both of the holes in the lower IM where the IM support bracket comes off the block.
Self tapping screws into the top of the radiator FTW.
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Old 02-08-2011, 04:59 PM   #474
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Self tapping screws into the top of the radiator FTW.
Make sure to put RTV on top of the self-tappers after you get them into place to keep the radiator from rusting.
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Old 02-08-2011, 11:22 PM   #475
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Don't forget to put some egg whites in the rad to seal off the threads from the self tapping screws in the radiator.
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Old 02-08-2011, 11:41 PM   #476
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and some oil so its properly lubricated
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Old 02-09-2011, 03:50 PM   #477
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Old school hotrodders actually use dish soap in their coolant.
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Old 02-09-2011, 03:53 PM   #478
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New school tuners do the same thing, except they pay for it in a bottle called "water wetter".
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Old 02-09-2011, 04:02 PM   #479
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Since we have you in here, do you know how or know who in here would know how to figure out max gap without frying the coils?
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Old 02-09-2011, 04:34 PM   #480
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I cannot wait to put the IM on the car.

Today, I measured the volume of the reamed out intake with water:

Neck: 1.5c
Upper plenum: 6c
Runners: 5.5c
Lower plenum: 3.5c

So, adding together the volume of the upper and lower plenums we get 9.5c which = 2.25L. If you add in the neck volume we get 11c which = 2.6L I think this is pretty darn good!!!- approaching 2.85L which is "ideal" assuming 1.5x displacement is a good plenum size.

I also measured the "neck" outlet in my plenum. It's 70mm in diameter. The "neck" inlet at the throttle body flange is actually 60mm.

Hmm. That's pretty close to what I was going for. I think I will try to use the stock TB and see how it does. I might try to port the TB outlet some to match. That will save the PITA of making new coldside IC tubing and getting a pipe and flange welded on and making the new TB work.

I want to put this **** on my car right naow. I just got my COPs working and went for a drive yesterday. Time to take it off the road again...
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