MR-2 Posted December 13, 2016 Share Posted December 13, 2016 Have anybody ever tested to make n/a steel exhaust manifold to a turbo manifold by changin the flange. We all know that cast iron turbo manifold is shit, specially third port. Can that thinner manifold hold hot gases enough. Thinkin to do some low budget turbo swap, I have all turbo parts from GT and few basic turbos CT12 from Starlet or Corolla2 and CT12 from Supra. Engine going to be n/a pistons, only outer parts like intake manifold gona be swapped, thermostat housing, modded oil pan, injectors, ECU, Map, etc...I might wanna test "blow" one basic n/a 4E-FE engine, hopefully not, just for fun I know how to build good engine, but wanna try some other way for spare engine. Maybe coming to EP91 or EP70, later 5E-FTE with full different combo...Top n/a 4E-FE, middle 4E-FTE +CT12 and low CT12Exhaust comparsion, don't have downpipes yet, have to find flanges somewhere. Wasting my time, but curious to see how that exhaust manifold acts. Is this stupid idea right away to cut and weld new turbo flange? Quote Link to post Share on other sites
5e colin Posted December 13, 2016 Share Posted December 13, 2016 go for it the flow is greet in the mild steel na manifold shop flange of weld on desired turbo flange i rewelded 1 of these years ago on a budget to :-p use the ct12b !!! Quote Link to post Share on other sites
MR-2 Posted December 13, 2016 Author Share Posted December 13, 2016 Nothing to loose, exept one old engine, thanks Colin for support. Manifold can't be worst than cast one Quote Link to post Share on other sites
5e colin Posted December 13, 2016 Share Posted December 13, 2016 keep this thread updated i love diy turbo kits like this Quote Link to post Share on other sites
Rob H@RCH Engineering Posted December 13, 2016 Share Posted December 13, 2016 My first turbo set up on mine was done like this, worked perfect! Quote Link to post Share on other sites
Jim31 Posted February 24, 2017 Share Posted February 24, 2017 Hi, could anyone let me know where I can get hold of a 4-2-1 exhaust manifold for my NA 98 please? Quote Link to post Share on other sites
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