What is the specs on a stock 350 cam?
The Chevy 350 has a hydraulic camshaft and hydraulic lifters. The intake and exhaust valves have a duration of 218 seconds a 0.5 rpm each. Both have a valve lift of 0.457 inches and a total duration of 268 seconds.
What is the best cam for a stock 350?
Reviews On 6 Top-Rated Performance Cam For 350 Chevy
- Comp Cams 12-602-4 Hydraulic Flat Cam.
- Comp Cams Xtreme Energy 242/248 Hydraulic Roller Cam.
- SB Chevy Hi-Perf RV Cam And Lifter Kit.
- Lunati Bare Bones Hydraulic Flat Cam.
- Lunati Voodoo Hydraulic Flat Cam.
- Melling Hydraulic Flat Camshaft.
How can you tell if a cam is a comp cam?
COMP Cams uses two-number designations for all its engine families. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35.
How much HP can a TBI handle?
The 350 TBIs only flow like 475 cfm, but can be bored to flow ~650 cfm. The bored TBI with the bigger injectors (96 lbs), the right chip, and a bumped up fuel pump (20 psi), should be able to support 345 hp (according to John’s calculations).
How can I get more horsepower out of my stock 350?
How to Get More Horsepower Out of My Chevy 350 Small Block
- Modify your air intake.
- Modify your exhaust.
- Change your camshafts and valve train.
- Purchase new cylinder heads, or have yours ported and polished.
- Have your motor rebuilt and blueprinted.
What do the cam numbers mean?
The first two numbers are the degrees of opening being 210 for the intake and 218 degrees for the exhaust given normally at .050 inch of lift. The next two numbers are the valve lift of intake and exhaust in thousands of an inch. The final number is the degrees of overlap.
What kind of camshaft does a TPI 305 use?
Camshaft, TPIS Super L98 Hydraulic Roller Camshaft, SBC 87-92, LT1 93-94. This particular cam is a great little upgrade for a TPI 305 or 350. You can see 30-35hp and 40-50 lbs/ft on a stock aluminum head TPI Corvette engine and with the addition of 1.6 rockers you can expect even more.
Do you need a roller cam on a TBI truck?
TBI trucks never had a roller cam. But the block may be roller ready, some are, some aren’t. If it is roller ready by all means use a roller cam. The LT1 is a roller cam I assume, correct?
Can you change the throttle body on a 350 TBI?
Modify the throttle body. This one pretty cheap but does require removing the throttle body. UTIMATE MODS . Stock 42mm TBI units flow around 450cfm which if you look at http://www.carburetion.com/calc.asp a stock 350 even with a cam upgrade to increase the powerband to 5500 rpms isn’t going to use much if any more than that stock throttle body.
How much horsepower does a TBI fuel pump support?
First I start with a new Fuel pump, STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock.