Stage 5 - OK now I've installed the new LiFePo (lithium iron phosphate) battery from Shorai -the LFX18A1-BS12 and SHO-BMS01 charger.
PREVIOUS RESULTS:
OEM Voltages (before stage 3 mods)
Ignition off - 12.8v rested voltage - 100% charged
Ignition on - not running - 12.2v
1000rpm - 13.7v
2500+rpm - 13.7v
Voltages after stage 3
The only difference
Ignition on - not running - 12.4v
Voltages after stage 4
Ignition off - 12.9v rested voltage - 100% charged
Ignition on - not running - 12.6v
1000rpm - 14.2v
2000+rpm - 14.4v
UPDATED RESULTS:
Voltages after Stage 5
At fully charged 100%
Ignition off - 14.4v rested voltage
Ignition on - not running - 13.7v
1000rpm - 14.3v
2000+rpm - 14.4v
At normal charged 90%
Ignition off - 13.3v rested voltage
Ignition on - not running - 13.2v
1000rpm - 14.3v
2000+rpm - 14.4v
Review: While the battery adds 0.5v (resting voltage) over the OEM, it's real advantage comes from more cranking amps, more amp hours and more tolerance of deep cycles. The latter will be confirmed in time.
Shorai LFX18A1-BS12
CCA = 270
Amp hours = 18
Weight = 1 kilo (2.2lbs)
Dimensions: 148 x 66 x 105mm (5.8" x 2.6" x 4.13")
Yuasa YT12B-BS
CCA = 210
Amp hours = 10
Weight = 3+ kilos (7.6lbs)
Dimensions: 150 x 69 x 130mm (6"6" x 2.75" x 5.125")
Last edited by foglefar; 06/08/2011 5:40 PM.
Cheers, Richard
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09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge
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