[Eggie]

hey fellas,

just needing some tips for what I need to upgrade in my little g13a so it can handle a turbo, just been reading that as soon as you try to turbo them reliability goes out the window.

Cheers.

[Erik]

Behold

https://www.youtube.com/watch?v=4jjow8SdJys

[Gwagensteve]

Why do you want a turbo? What propblem is it solving? Because hp/$ it’s an extremely expensive way of making power A) at the power levels we’re talking about here and B) when you’re starting with a weak, carby, na motor.

[HarryHoudini]

For once i agree with Steve,not the sort of engine to stress.
If its for road use then Rego/Insurance problems arise.

[Erik]

All the above is true but stick to your dream and prove everyone wrong.

Most inventions were made in a shed, not a lab...

[Gwagensteve]

These sort of responses puzzles me because whilst you’re trying to be encouraging it’s sort of the opposite of helpful. (Unless you’re being sarcastic.)

The OP doesn’t seem to have a complex understanding of the problem and doesn’t appear to have done much research into cost, or they’d know they really need to start with a g13b which would save them many thousands of dollars in parts and labour.

This isn’t new, untested waters. I’ve asked two questions of the OP to try to get to the bottom of why their planning what they’re planning, because it’s a counterintuitive choice considering the cost and complexity of turbocharging a carby 2v motor that isn’t very strong. I could have written a long reply dealing with each step of the process but I don’t think we have enough information about the OP and what they’re trying to achieve to justify that.

If the OP has a horsepower/torque goal to achieve a task it’s unlikely turbocharging the g13a is anywhere near the best way of achieving that goal.

If the OP wants a motor to make stustustu noises they’re a cheaper and more durable ways of doing that. (ie using a factory turbo motor from something else)

Of the OP genuinely wants to go through the time and financial pain with a G13a for some reason, more power to them, but that takes me back to a concern they haven’t as yet done much research.

Many people have tried what the OP has asked and ended up with broken engines and unfinished projects.

When they answer the questions I’ve answered I think we’ll be in a better psosition to offer advice.

[vet 180]

10 steps to turbo a g13a:

1. Collect all the parts you need for the g13b swap
2. Get a decent ecu and get wiring sorted to the point it will only be a few wires into the chassis
3. Collect all the turbo parts (manifold, turbo, injectors etc) and tap for feeds and drains
4. Keep driving your G13a car while the above is happening
5. If you make it this far, Install turbo G13b into car
6. Work out all teething issues and bits that didn't fit/go to plan, finish dump pipe and exhaust
7. Lower redline in the ecu from factory 7400-7600 to 6800-7000rpm for longevity (peak power is 6500ish)
8. Sell running G13a and be thankfull that you have a stronger factory engine for a 1/10 of the price you would have spent on parts made of exotic metals for your G13a only to crack the block and damage those exotic parts
9. Enjoy stronger shortblock, 4v head, bigger cams and turbo goodness
10. Skids


If you want to turbo a G13......a g13b is a much better starting point! Factory high reving engines make great options for turbo swaps as parts are often made stronger to sustain high rpm. Plenty of information out there on the swap and its quite a simple one.

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