tbo92 Posted October 3, 2009 Report Share Posted October 3, 2009 Hi all, have a 4afe at the moment in my ae92 hatch with a a strengthened gear box. I want to know will a 4afe gearbox fix a 4age 16v / 20v. if not.. will a 4age 16v / 20v head fit on my 4afe? Cheers guys. Quote Link to comment Share on other sites More sharing options...
MYSTIK[RL] Posted October 3, 2009 Report Share Posted October 3, 2009 by strengthened you mean what exactly? oh and yes the gearboxes are interchangeable between all A-series motors Quote Link to comment Share on other sites More sharing options...
tbo92 Posted October 6, 2009 Author Report Share Posted October 6, 2009 by strengthened you mean what exactly? oh and yes the gearboxes are interchangeable between all A-series motors Thanks for the reply, and when i had the gearbox rebuilt - gearbox guy said "i will get stronger gears then the standard ones" i assume.. that means stronger? :D (lol) cheers. Quote Link to comment Share on other sites More sharing options...
MYSTIK[RL] Posted October 7, 2009 Report Share Posted October 7, 2009 (edited) Thanks for the reply, and when i had the gearbox rebuilt - gearbox guy said "i will get stronger gears then the standard ones" i assume.. that means stronger? :party: (lol) cheers. No problems :D the box is probably no stronger than a fresh box off of the factory floor, it all depends on what was replaced and what wasnt Edited October 7, 2009 by MYSTIK Quote Link to comment Share on other sites More sharing options...
machg Posted October 7, 2009 Report Share Posted October 7, 2009 The 4age gearbox has bigger bearings than the gearbox with a 4afe engine. The gears in your box may be stronger, but the bearings will not be as strong as a twincam box. As for a 4age head on 4afe bottom end, yes it can be done, but a 4afe bottom end is not designed to live with 7500 rpm revs, and if you aren't going to rev it out, why bother? Quote Link to comment Share on other sites More sharing options...
Hiro Protagonist Posted October 7, 2009 Report Share Posted October 7, 2009 The 4age gearbox has bigger bearings than the gearbox with a 4afe engine. The gears in your box may be stronger, but the bearings will not be as strong as a twincam box. As for a 4age head on 4afe bottom end, yes it can be done, but a 4afe bottom end is not designed to live with 7500 rpm revs, and if you aren't going to rev it out, why bother? 4AGEs and C52s can be had cheap-enough these days that doing hybrids or rebuilding gearboxes is next to useless - a waste of both time and money. Quote Link to comment Share on other sites More sharing options...
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