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What is the max valve lift on stock 350 heads?
Anything over 400 lift , you will start having problems. Pulling studs out of heads, coil spring bind, rocker arm problems. Ect...
What is the MAX lift for stock Chevy 350 heads?
depending on the type of head anywhere from 550 to 600 NEW ANSWER- YOU said stock, so in that case anything over 400 lift will cause spring coil bind, and brake the spring. NEW ANSWER- somewhere between .450 to .500 should be max lift before any binding on 87+ heads, stock lift is between .417 and .430 with 1.5 ratio stock rockers
How much horsepower difference between stock and vortec heads on a 350 Chevy?
The difference in horsepower between stock heads and Vortec heads on a 350 Chevy can vary, but typically, upgrading to Vortec heads can yield an increase of around 30 to 50 horsepower. Vortec heads are designed for better airflow and combustion efficiency, which contributes to this gain. The actual increase can depend on the overall engine setup and tuning.
Can you put new performer heads on a stock 350 block?
yes you sure can.
Can you run a Chevy 350 cam in a Chevy 305 with stock 305 heads?
Yes, but running a 350 cam with 305 heads is not effective,you need to run 350 heads as well. In order to benefit from a 350 cam you need something to flow that extra fuel and air, so using 350 heads along side of the 350 cam will be the cheapest and best choice. HAVE FUN!! A 350 head can physically bolt onto a 305 block. However, 350 heads can have the valves extend into the cylinder and contact the cylinder wall (even with the smaller 305 cam). The 350 cam in the 305 with stock heads will work. You wont want to use 350 heads you will lose compression due to the largers combustion chambers.
Can I use a camshaft with a 488 lift with freshly rebuilt stock 462 double hump heads on a 350 without getting bigger springs?
Yes you can you can to a cam with 501 lift that,s the maximum for a stock gm head. You will also have to change your torque converter or it won,t idle unless you have your foot on the accelerator.
Do all 350 heads have valve seals?
The Chevrolet 350 stock "O" ring valve seals attach to the valves not the heads but, yes the head assembly has valve seals.
Can you put 2000 Chevy 350 Vortec heads on a 1995 Chevy 350 block and increase horsepower with out modifications?
http://www.customclassictrucks.com/techarticles/0405cct_vortec_cylinder_heads_small_block_chevy/index.html This will answer all your questions. Yes it can be done. There's a bit more to it than just torquing on a new set of heads, but if you can replace heads, you can more than handle the rest of it. Should flow much better than the stock TBI heads. Vortec heads flow far better!
What is the combustion chamber size of a Chevy 350 stock head?
The combustion chamber size of a Chevy 350 stock head typically ranges from 64cc to 76cc, depending on the specific cylinder head casting.
Why would 350 have less power with bigger heads 202 164 than when you had stock heads and have performer intake on at what?
Need to know what year the engine is, that you changed the heads on and what it is in.
What size heads on 350 89 camaro?
Your question is a little vague, so im assuming you're asking which is better between 350 and 305 heads. Many people will tell you it doesnt matter. I think if you have a 350 engine then you should use 350 heads. the 305 heads will have higher compression, which will make the car louder, and somewhat faster, however, if you use 305 heads on a 350 engine then you should use a high octane fuel, so it will be better on your engine. Only use 305 heads if you know what your doing. if not you should probably stick with 350 heads. i hope that answered your question.
What is the intake runner size on stock gm 350 heads?
It,s depending on years and type of engine but they were 160-180 cc as stock mode .
