Precisely, loads appear to say the crimson top / modest port head is much better than the big port / blue prime but does that also utilize When contemplating jogging ITBs?
.. it had been almost just a little carbyish any time you initially commenced if it absolutely was parked outside over a two deg morning.. cranked fireplace and provides it a couple of tiny revs about the throttle - then it will idle at 800.. when warm it would visit about 900. (thats how i set mine at the very least)
To realize superior results it's essential to go ahead and take 4A-GE engine as being a sample. The 4A-FE differs from one other one particular with its cylinder head. It's not the most suitable choice for tuning. Bulding the 4A-FE engines can be a foul thought. You experienced much better go and buy a new 4AGE one particular. It will be more affordable.
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Uncover OldSkewlToy on any other forum and strike him up, he is accomplished more work on 4AGE heads than any one else I've witnessed. I imagine a worked about little port head is The perfect for just a 4AGE on ITB's but Never quotation me on that.
Description New up to date design has far better clearance to be used within an AW11 MR2, now works by using cylinder heads dowels for alignment plus much more correct port matching!!
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seven. If any oil usage, your 4A engine is aged and desires an overhaul. In that circumstance you should buy the scraper rings and valve stem seals.
Just lately learned There exists a dyno / MS professional Operating out on the local race monitor now. I'm debating paying out time at the dyno before the block swap shenanigans.
This really is now believed for being ideal for large-revving engines with substantial specific ability outputs, however most higher-functionality racing engines however hire wide valve angles which permit read more for straighter ports and more efficient air flow.
Re: ITB Conversion on sixteen valve 4AGE seriously? maybe i need to get a new one then? at the moment i get about seven.5L/100km for my very standard ae92 SX? (roughly 450km's involving fuel lights) i havn't experienced mine plugged in for more than 6 months because redoing the exhaust ahead of xmas! (snapped it off)
The T-VIS is a fascinating process. Potentially it can be worthy of retaining? I did not stumble upon any Websites that discuss optimizing the T-VIS but then I have never seemed that onerous yet. I am not confident the T-VIS is engaged on my auto - would seem flat inside the high RPM ranges.
Quick on-line quote, pleasant workers Once i named with issues. Professional staff experienced most of the answers. There was just one dilemma he would need to get again with me on. On the point of buy a motor this week!
There is certainly lots of information available regarding how to port the 4AGE head so I am going to possibly give it a go myself to start.