| the higher top speed is not because of differences in transmission - it's because of the difference in gear ratio for tt vs na rear differential. using the na trans would require a starter shim and slight grinding of the bellhousing. I've never done that before but there are articles which cover it. other than that, the internals are the exact same. So you might as well go with the tt transmission since you already have it - it has lower miles and doesn't require any extra work/money to make it fit.
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Parting out my entire 1990 twin turbo! Please email me for needed parts! |