XR8tt
Active Member
Going by these tech articles & measurments ??
Echo buckets 2J valves and retainers.. Leaves almost the same
fitted spring height as the 2J Supra engine..
So any Supra performance valve springs will work, with shimless Echo buckets, Supra 2JGTE springs and retainers... The installed height is close to the same...
Properties2JZ Intake2JZ Exhaust1UZ Intake1UZ Exhaust2JZ Retainer1UZ RetainerStem Length98.55mm99.10mm95.2 mm97.12 mm.340" Height.299"
HeightStem Diameter5.98mm5.98mm5.96 mm5.96 mm.986" O.D..986" O.D.Valve Size33.60mm29mm33.45 mm28.04 mm.786" 2nd Stage.686" 2nd StageTip Length3.5mm3.5mm4.00 mm4.00 mm.502" 3rd Stage.474" 3rd StageTip GrooveN/AN/A2.15 mm2.15 mm.291" I.D..300" I.D.
The above is easier to read here..
http://www.lextreme.com/valve.html
Graeme....
Echo buckets 2J valves and retainers.. Leaves almost the same
fitted spring height as the 2J Supra engine..
So any Supra performance valve springs will work, with shimless Echo buckets, Supra 2JGTE springs and retainers... The installed height is close to the same...
Properties2JZ Intake2JZ Exhaust1UZ Intake1UZ Exhaust2JZ Retainer1UZ RetainerStem Length98.55mm99.10mm95.2 mm97.12 mm.340" Height.299"
HeightStem Diameter5.98mm5.98mm5.96 mm5.96 mm.986" O.D..986" O.D.Valve Size33.60mm29mm33.45 mm28.04 mm.786" 2nd Stage.686" 2nd StageTip Length3.5mm3.5mm4.00 mm4.00 mm.502" 3rd Stage.474" 3rd StageTip GrooveN/AN/A2.15 mm2.15 mm.291" I.D..300" I.D.
The above is easier to read here..
http://www.lextreme.com/valve.html
Graeme....
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