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How does Chevy vortec work?
The word 'vortec' is the name of the cylinder heads used in Vortec Model engines in the year 96'+ The engines that use the Vortec cylinder heads are the 4.3L Vortec, 5.0L Vortec, 5.7L Vortec, and 8.1L Vortec. They were only put on Gen I small blocks. If they are any other size Chevy engines and still retain the Vortec name then it's purely a marketing name, the same goes is it is later than a Gen I engine. For example the new 4.2L I6 from GM retains the name Vortec, but it does not actually use Vortec heads as these heads were only made for OHV engines, and the I6 is an OHC engine. The Vortec heads are based on the LT1 and LT4 head after they were discontinued along with their reverse flow cooling design. It is simply an effect made in the head similar to a vortex to better atomize the fuel and air intake charge when entering the combustion chamber, it is not a different type of motor.
Will heads off of a vortec work on your 1993 5.7 with out changing the manifold?
NO, you need to use a Vortec manifold, tons available from Summit Racing, and the forums at full size chevy have great info on the swap, detailed....
Will regular old style 305 heads work on a newer vortec 305 block?
The heads will fit the block, but the vortec intake manifold will not bolt to the old style heads.
Will 1996 305 vortec heads work on 1996 350 vortec motor?
Yes they will with no problems. They are basicly the same heads, Just different CCs.
Will vortec heads work with out roller lifters?
YES, they sure will.
Will a 2002 4.3 vortec from a blazer work in a 1998 Chevy S-10 blazer?
Yes they are the same block and heads you might have to swap intakes though
Will Vortec 350 heads work on vortec 305 engine without any machine work?
Yes they will fit right on there with no machine work are problems.
Will Vortec 350 heads work on vortec 305 engine?
Yes, they will work. but you wont gain power because the little 305 isn't putting out enough flow to keep up with the heads
Will 99 350 vortec heads and intake work on a 2000 5.3 vortec?
NO.. It won't even bolt up.
Will a distributor from a 90 Chevy 350 work in a 99 Chevy 350 vortec?
NO.
How does a vortec engine work?
The word 'vortec' is the name of the cylinder heads used in Vortec Model engines in the year 96'+ The engines that use the Vortec cylinder heads are the 4.3L Vortec, 5.0L Vortec, 5.7L Vortec, and 8.1L Vortec. They were only put on Gen I small blocks. If they are any other size Chevy engines and still retain the Vortec name then it's purely a marketing name, the same goes is it is later than a Gen I engine. For example the new 4.2L I6 from GM retains the name Vortec, but it does not actually use Vortec heads as these heads were only made for OHV engines, and the I6 is an OHC engine. The Vortec heads are based on the LT1 and LT4 head after they were discontinued along with their reverse flow cooling design. It is simply an effect made in the head similar to a vortex to better atomize the fuel and air intake charge when entering the combustion chamber, it is not a different type of motor.
Putting 1999 Vortec onto 1984 engine?
it will work I have vortec heads on a 72 400 small block, I had to get the heads reworked for the 400s water ports or steam port and a vortec type style intake will be needed
