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Managed To Start My Engine. Need Some Info On How To Get Timing Better

Gameboy

By Gameboy,
in Forced Induction Performance

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Gameboy Collaborator

Gameboy

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Hey guys, I finally managed to get my engine running. Took me ages to get the timing marks spot on but I freaking did it.

The block is N/A, got a turbo head and am running turbo injectors, The intake cam is from an N/A (are they the same?) and running a series 1 TPS and using a turbo ECU. Oh, also using an N/A zorst manifold because I dont have a dump pipe yet for my turbo and the N/A mani has an o2 sensor on it.

I have a turbo gear to go on it but still waiting for some parts to arrive.

My question is, because its an odd setup, what would be the best timing for it? I dont have a timing gun to check what the timing is like, but to me it sounds like its breaking down when I rev it.

Spot the fire hazards...

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Gameboy Collaborator

Gameboy

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Id say what ever a 25det timing is, and the break down id attribute to coils possibly

Good point. When I was checking for spark I did notice the coils with no spark plug plugged arcing out onto the coil bracket. Ive always wanted to do an external coil pack conversion might give me an excuse to do it. I just assumed the arcing was due to no spark plug in them and the spark had to go somewhere.

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Gameboy Collaborator

Gameboy

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What......

How can you be doing stuff like this and have no timimg gun?

Who cares what timing we tell you to run, how will you run it?

Ill buy one tomorrow

Engine is nowhere near ready to get accurate with tuning.

For the moment set the CAS so she will start easily, sounded a bit too far advanced in the video.

She starts first go and idles without any issues. When I get the gun ill get the timing spot on :) (I hope)

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Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

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Unplug TPS, unplug IACV.. then make sure your idle is screwed in at 650rpm (as per recommendation for a RB25DET).. then set timing at 15 degrees BTDC.

Car will run ok.. but wouldn't be nice to run.. you could blanket an additional 2 degrees on top to make your base timing 17 degrees.

It's a NA so should be fine (of course check for audible knock).

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