In my experience the difference between curve neck and straight neck ZE manifolds were minimal.
Also, I'd like to point out and question anyone who says they felt differences:
Did you change chips/flash your ecu to get the correct VRIS points? The KL31 VRIS and Curve neck VRIS are not wildly different, but they are a fair ways off.
4000 - 4800 - 6800
vs
3750 - 4250 - 6250
Whatever you end up doing - make sure VRIS points are set up otherwise you'll definitely feel that in your powerband
Milennia motor
Re: Milennia motor
1995 Eunos 30x KLZE
Worklog
Worklog
Re: Milennia motor
Don't know how much you could consider this proof but:
140 - 200 (km/h) KL47 manifold 21 sec
140 - 200 (km/h) KLG4 manifold 20 sec
Only the manifold changed between runs, i'm running an mx-6 gearbox.
When doing the KLG4 run, it was warmer, i installed leather seats which where heavier, there was more gas in the tank (about 10 liter) + I had two gearboxes in the trunk. So i would say the KLG4 performs better.
140 - 200 (km/h) KL47 manifold 21 sec
140 - 200 (km/h) KLG4 manifold 20 sec
Only the manifold changed between runs, i'm running an mx-6 gearbox.
When doing the KLG4 run, it was warmer, i installed leather seats which where heavier, there was more gas in the tank (about 10 liter) + I had two gearboxes in the trunk. So i would say the KLG4 performs better.
- MrMazda92
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Re: Milennia motor
In my own testing, I was using a chipped ECU with the curveneck VRIS points for both tests.
It was mostly intended to proof that fitment of a straightneck wasn't impossible, or nearly so, as many have claimed...
It was mostly intended to proof that fitment of a straightneck wasn't impossible, or nearly so, as many have claimed...
Daily:
'12 Challenger R/T + STP - 3.92 w/ LSD, JG Cam, headers, SkipShift delete, Clutch Delay Valve delete, Hurst STS, RAM Clutch Adjuster, StopTech 6 Piston Brakes, Sticky Nittos, 435 WHP
Kid Hauler:
'08 Suburban LT 4WD - TVS 1900 Blower, LF SC Cam, headers, AFM delete, true 5" lift, 33x12s, 523 WHP
First Love:
'92 GS 5 spd - Straightneck KL/67mm TB, MegaSquirt/Coilpacks, 5 lugs/Speed6 brakes/FD wheels, wiretuck, coilovers, headers, AEM WB, Borla
Deleted: VAF/Power Steering/Air Conditioning/EGR/ABS/Auto Seatbelts/etc
'12 Challenger R/T + STP - 3.92 w/ LSD, JG Cam, headers, SkipShift delete, Clutch Delay Valve delete, Hurst STS, RAM Clutch Adjuster, StopTech 6 Piston Brakes, Sticky Nittos, 435 WHP
Kid Hauler:
'08 Suburban LT 4WD - TVS 1900 Blower, LF SC Cam, headers, AFM delete, true 5" lift, 33x12s, 523 WHP
First Love:
'92 GS 5 spd - Straightneck KL/67mm TB, MegaSquirt/Coilpacks, 5 lugs/Speed6 brakes/FD wheels, wiretuck, coilovers, headers, AEM WB, Borla
Deleted: VAF/Power Steering/Air Conditioning/EGR/ABS/Auto Seatbelts/etc