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SR 305 torque heads on a 350?

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Old May 2, 2002 | 08:58 AM
  #1  
TBI305Camaro's Avatar
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From: Barboursville, WV
SR 305 torque heads on a 350?

i asked about this once before but i wanted to know something else...i noticed most of GMs crate motors come with the smaller valves and make good power so wouldnt the SRs make good power on a 350? i plan on getting them and having them ported before they go on my 305but when im ready maybe put them on a 350...also with the smaller valves couldnt you run a high lift cam without valve shrouding...would that be good or bad?
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Old May 2, 2002 | 11:00 AM
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iroc22's Avatar
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From: Surrey, BC
Valve shrouding on a 350 with 2.02/1.60 valves is only eminent at lifts past .550" (are you gonna go that far?)

A ported set of S/R 305 Torquers will work just fine on a 350. They're the same as the 350 Torquers just at 58cc chambers. So you're compression will be bumped up a lot.

Just a FYI, my school drag racer uses S/R Torquers 67cc heads 2.02/1.6 valves , ported and polished, 230* cam with .480" lift and it makes 450hp at 7000rpm. It's in a Vega too. This car is a real piece of work.
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