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I went looking for boost a while ago, I went for a spin in a 86 with a sprintex, later a AVO, I was sold pretty much straight away.
Then my real research started and I focused on the Harrop SC.
Why Harrop
Good for daily, less heat to deal with, looks clean.
The main point I looked at initially was reliability
1. Gearbox rated to 250nm
2. OEM engine reliability is questionable at/over 200 killerwasps
3. Temp control is easy enough
Therefore:
For me to be happy that I have a well engineered build I would require
1. Built engine
2. Build gearbox (at least the syncro kit that helps it not eat 4th)
Conclusion: Due to the inherent weakness of the gearbox and engine, the cost involved to put some good and reliable power down, is hard to justify.
My intial hasty budget calcs had me at over 30k. I did look at Holinger, but 20k, for notaracecar?? Yeah na.
Can it be done cheaper, hell yes, but it would not be what "I" would call well engineered IRT reliability.
So, in the end, I have full exhaust and tune, coincidentally, I've spent over twice the amount of money of my exhaust and tune cost on suspension.
Handling and braking improvements should be Pri 1 anyway.
The car handles really really well, but for power, it would struggle to pull the skin of custard.
I wish the FA20 was more like the Toyota or Nissan blocks of old, where you could double the power and not worry about lunching the engine or box.
Disclaimer: If you don't really push your car you might be fine, me, I thrash the Bejesus out of my cars.
Opinions may vary
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