GM 3.1L / 3.4L

(3100 / 3400)

3.4L Throttle Body

$125  for doing the following service to your TB core

Includes clean & bead blast, paint with hi-temp ceramic paint. Machine bore to 57mm or 60mm. Modify throttle shaft to increase airflow (half shaft) Mfr a custom fit throttle plate secured with two stainless steel screws loctited in place.

3.1L Throttle Body

$125 for doing the following service to your TB core

Includes clean & bead blast, paint with hi-temp ceramic paint. Machine bore to 57mm or 60mm. Modify throttle shaft to increase airflow (half shaft) Mfr a custom fit throttle plate secured with two stainless steel screws loctited in place.

FYI some GM 3.4L TBs measure 52mm. I know this from scouting the bone yards and from buying cores off Ebay.

A 57*mm TB with 1/2 shaft mod will flow equivalent CFMs to a 59mm TB

The 60*mm bore TB will flow equal to a 62mm TB with a full throttle shaft

*Sizes are nominal

Prices include return shipping

email to: stevemonroe@cox.net

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