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Small Block Chevy Engines

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LS Chevy Engines

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Small Block Ford Engines

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Thunder Custom Auto

180 West Albion Village Way #105, Sandy, UT 84070

PHONE: (208) 243-3224 Contact: Steven R. Martinson

EMAIL: smartinson@thundercustomauto.com


Thunder Custom Auto (TCA) specializes in building high performance GM, Ford, and Chrysler engines. Founded in 2010 by the Martinson family, TCA has over 30 years of experience in building these types of engines for race and street applications.

Thunder Custom Auto is affiliated with World Castings, as a recognized engine builder. He has become the leading builder of the Motown LS using World's unique Motown LS Small Block Chevy Block, made to use newer highr flowing LS heads.

TCA can provide any engine combination desired, from mild to wild.


Contact them now and get a World Products Engine built for you by

Thunder Custom Auto!


The complete line of World Products are available from Thunder Custom Auto:

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