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Old 07-20-2005, 06:44 PM   #1 (permalink)
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What performance can i do to my 1981 1.8 Toyota Corolla

What can i do performance wise to my 1.8 single underhead? Is there a clutch? Intake? Anything else? And where can i get it?
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Old 07-21-2005, 12:27 PM   #2 (permalink)
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The 3TC 1.8L engine is pretty well setup as it is. Look at the intake and exhaust manifolds. Intake on the right and the exhaust on the left. That is a race car engine inspired crossflow head. The intake has long intake runners, very nice, make lots of power.
The exhaust is 4-2-1 as in 4 into 2 into 1 exhaust. Very nice. makes power.
Also the engine is what is known in racing circles as a HEMI !! very nice makes lots of power. Infact the hemi head is almost a direct copy of the famous Hemis from Chrylser.

One thing you might want to do is put in a bypass for the cat. vn mlop. If emmisions laws in your area allow it.

Also if you still have the original spark plug wires, get a set of Magnecor KV85s.
Give it a good tuneup and it will make lots of power. Very nice, with good gas mileage to boot.

If you can find a EFI setup from a 3TEU that will get you a good power boost.
Very rare but very nice.

www.magnecor.com

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Old 07-21-2005, 01:20 PM   #3 (permalink)
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Hemi3TC's right. an excellent platform for racing. i've seen this engine get pushed over 350whp without problems. that's when boosted. you can get performance parts from toysport.com and go to this site.... http://www.toyota3tc.com/
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