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> 7AGTE advise please
post Aug 7, 2008 - 9:33 AM
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Ewie

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I'm in the process of building the topic mentioned engine using a 7AFE bottomen and series1(bigport) twincam head.
The turbo is a TD04 coming from a WRX Scooby.
I'm planning on boosting 0.7bar and would like to know if the 7A internals will be able to hold up.
Seeing that theres quite a few boosted 7AFE's on this forum I believe I'll get a trustworthy answer wink.gif
My Compresion ratio will be 8.9:1 and I wont rev past 7000rpm.
Will stock rods hold up???


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AE82 1600 Twincam (Series1)
Current 7AGTE 16v project
 
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post Aug 8, 2008 - 9:34 AM
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Taskbot



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hmmm CA18 rods are probably the closest you'll find.

Be prepared to engineer some wacky **** like that, since you are doing a pretty rare swap. Talk to some of the AE86 guys. The 7A-GE thing has become big for AE86 drifters looking for more low end torque so its quite possible that at least one of them has turbocharged/supercharged it. Another option, since you want a beefier bottom end, might be to make a 9A. Use the 2ZZ crank and rods, with CA18DET pistons. That will bring it up to about 2.0L however I am not too sure how well it would handle tons of boost. You could probably find lower compression pistons and a thicker gasket, but with that set-up the crank would be able to withstand a fair amount of HP/Boost (Think Lotus Exige) plus you'd have added displacement making it easier to reach the power you want.


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