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It's possible. However, if you're not willing to dish out the cash for a proper build, don't waste your time. A cheaply converted non-vtec motor will not last long and will have A LOT of problems. Hense, if you are willing to dish out the cash, here's a list of the minimun needed parts:
-b series vtec head (B16a/b16b/b18c/b18c1/b18c5/...)
-new rods (optional)
-higher CR pistions to take advantage of the higher flowing head
-block girdle (optional - added stability to the block at high revs)
-vtec conversion kit (will have to drill holes onto block to feed oil to head)
-b series vtec transmission (optional - will help utilize the narrow powerband)
-Some kind of a fuel management (Chrome, Neptune, AEM, Hondata,...)
Most people think they can just slap on a vtec head and be done with it. It's a lot of work and required some planning. By just slapping on a vtec head, you will not only lose power because of the lower CR but the reliability of your car has just dropped dramatically.
As to the "How to do the conversion" there's plenty of Honda devoted forums that talks a lot about these sort of things. Check them out.
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∙ 12y ago
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What is an ls vtec?
It is a integra ls block b18a1 or b18b with a vtec b series head
How much oil does a b18a1 with a vtec head take?
...SAME AS ONE B18A1 WITHOUT A VTEC HEAD...The dipstick has 2 dots on it you fill it tell the oil is between the two dots....
How do you make a non vtec b20 vtec?
You have to acquire a vtec head either from a b16 or a b18 (gsr)
Can you make a ls non vtec into a ls vtec?
Yes you can. You can either use your LS block and put a Vtec head on it or you can just swap it out with a GSR or Type-R motor.
Will a b20a5 valve cover work on a b18a1?
yes it will all b series heads fit idk maybe vtec ones dont though if its a stock ls
Is there a difference in a 2.3 non vtec and 2.3 vtec head bolt pattern?
There is a difference in a 2.3 non-VTEC and a 2.3 VTEC head bolt pattern. Since the patterns are different, the engines cannot be switched without modifications.
What type of engine does a 91 integra have?
b18. Acura offered a vtec and non-vtec. the LS, GS, RS came with a ba8a or b18b. These are both non vtec. the GS-R came with b17a. This was the VTEC. both are DOHC.
How much hp does a h23 have stock?
Non vtec 160 vtec sir 216
Can you make a ls non vtec a ls vtec and how?
it seems simple on paper but is a little complicated but with basic mechanical skills its possible. http://www.sportcompactcarweb.com/tech/0411scc_ls_vtech_engine/index.html
Is a h22 vtec valve cover will fit to your h22 non vtec engine?
no it probably will not... i dont really understand the question though. there is no such thing as a non vtec h22.. if its in a prelude the non vtec motor would probably be the 2.0 liter or the h23 dohc, and in this case the h22 valve cover will not fit.
How do you hook up vtec?
The VTEC system can not simply be hooked up. It is only found in certain Honda Engines. To install VTEC in a non-VTEC car the engine must be swapped in.
What car had a B18A1 engine?
Acura Integra had a B18A1 engine.
