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Old 05-02-2017, 02:30 PM   #1
LongBox
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Re: Help with my Rochester

The 4 G Rochester is just two 2G Rochesters in a single casting. Easy to work on, just like tuning 2 2Gs.
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-69 GMC 910 Long Box, 350
-98 Chev Silverado 1500, 350 Vortec 4L60e
-08 Mustang GT Convertible
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Old 05-02-2017, 10:26 PM   #2
Alex V.
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Location: Campbellsville, KY
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Re: Help with my Rochester

Quote:
Originally Posted by LongBox View Post
The 4 G Rochester is just two 2G Rochesters in a single casting. Easy to work on, just like tuning 2 2Gs.
What about the auxilary throttle valve in the secondaries?
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1967 C10 Suburban, 350/NP435, Green/Green, PS, PB, HD cooling, charging, shocks, and springs.

1985 GMC C3500 SRW, Sierra Classic, 454/TH400, white/blue.
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