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The Terminator
Engine/Tuning
(3.5" w/ 4# lower) Alternator pulley question?
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<blockquote data-quote="TRBO VNM" data-source="post: 11806234" data-attributes="member: 14678"><p>Not necessarily.</p><p></p><p>OP, log your voltage after you install everything. you may need to go to the 3.2 or the stock pulley if it slows it down too much. I have a 2.76 and 4# lower. I put the 3.2 on my alt and found out my voltage was down uner 12.5volts in the upper rpm ranges. I just put the stock pulley back on last night and need to make sure it brought my voltage back up. My alternator only has about 200 miles on it, if that. It is fine at idle and cruise, just not when I go WOT.</p><p></p><p>bottom line, check it when you are done and adjust accordingly. too low voltage is not good.</p><p></p><p>and a FYI, my first setup a couple terminators ago was a 2.93 upper and 6# lower. For over 10k miles I never had an issue with a stock alt pulley. I went turbo after that.</p></blockquote><p></p>
[QUOTE="TRBO VNM, post: 11806234, member: 14678"] Not necessarily. OP, log your voltage after you install everything. you may need to go to the 3.2 or the stock pulley if it slows it down too much. I have a 2.76 and 4# lower. I put the 3.2 on my alt and found out my voltage was down uner 12.5volts in the upper rpm ranges. I just put the stock pulley back on last night and need to make sure it brought my voltage back up. My alternator only has about 200 miles on it, if that. It is fine at idle and cruise, just not when I go WOT. bottom line, check it when you are done and adjust accordingly. too low voltage is not good. and a FYI, my first setup a couple terminators ago was a 2.93 upper and 6# lower. For over 10k miles I never had an issue with a stock alt pulley. I went turbo after that. [/QUOTE]
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Engine/Tuning
(3.5" w/ 4# lower) Alternator pulley question?
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