russtik
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| posted on 29/3/17 at 08:58 AM |
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Anyone had a go at tuning a 16V Toyota 4A-GE engine?
So who's had a go at tuning the Toyota 4A-GE 16V, either first timers or multiple times? I'd be interested to hear what you did and the
outcomes you achieved.
I have a standard lump sitting in the corner of my garage and I'm mulling over what to do with it. FYI my tuning experience to date is mostly
academic, so if I were to attempt this all myself it would be for the first time.
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stripe
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| posted on 29/3/17 at 10:35 AM |
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I've got some cams (cant remember the duration), omex electronic ignition and jenvery throttle bodies, and its pushing out 152bhp
(measured/tuned at northampton motorsport).
when i had the bottom end rebuilt by rouge motorsport who mainly do MR2, they were saying that new stock 16v 4age are generally a long way under the
advertised power, and that 150bhp is a decent output for this engine in NA form...
i do like the way i dont have much power until i get to 5500rpm, with my red line at 8...
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russtik
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| posted on 29/3/17 at 10:53 AM |
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quote:
Originally posted by stripe
I've got some cams (cant remember the duration), omex electronic ignition and jenvery throttle bodies, and its pushing out 152bhp
(measured/tuned at northampton motorsport).
when i had the bottom end rebuilt by rouge motorsport who mainly do MR2, they were saying that new stock 16v 4age are generally a long way under the
advertised power, and that 150bhp is a decent output for this engine in NA form...
i do like the way i dont have much power until i get to 5500rpm, with my red line at 8...
Thanks for your reply.
So other than the Jenveys, ECU & cams is everything else standard? No head work, up-rated valve springs, verniers etc?
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davew823
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| posted on 29/3/17 at 11:15 AM |
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4AGE
If you have a big port for road use, increase the CR by a full point. The 4AGE likes to rev, a lite wt flywheel really helps. Mild porting on the
intake and you can open the exhaust 2 or 3 mm along with three angle valve job. Standard hop-up like cams and headers, and use a "GOOD"
head gasket. With a relatively small investment you can reach 140 to 150 HP. Also visit the 4AGE club, for ideas. Dave W
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