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Old 09-27-2013, 11:56 AM   #7
JJH Jimmy
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Join Date: Jun 2012
Location: Schoolcraft, Michigan
Posts: 927
Re: 4x4 guys! Need help!

Quote:
Originally Posted by 68c20lwb View Post
Great info! Thanks a lot guys! Now since my tuner will not email me back after 2 days...was planning on using spear tech...any suggestions on a tuner? All I need is to make it stand alone. I am getting it on the dyno tune after its road ready.
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No problem. I also used Speartech. Try calling John. When i had questions he always called me back within a day. If your engine is basically stock his performance tune should be fine without having to put it on a dyno.
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1972 GMC Jimmy 4x4 LS Swap
1985 Chevy K20
1994 GMC Yukon
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