ls/vtec swap

hey ,i was wondering ,i have a 90 teg and i think the engine code is a b18a ,what could i expect from a b16a head swap with the rest of the car being stock ,power wise ( approximatly) ?coz i'm sure i can jack out descent power with my current block and forget internals,any help would be great,but plz if ur not sure dont post just anything thanks

I would say something around 180-185hp is what you would get.

are u sure about that coz i have way lower compression than the actual b16a engine ,mine i think is at 9.3:1 while the b16a is at 10.2:1 for the north american version,so due to that i was thinking maybe something around the 150-160 mark.my point in all of this is that if i can actually get 180-185 hp from the ls/vtec swap wouldn't it be smarter do that than swapping in a gsr engine that gives u about 170 hp and cost about 3 times more? so once again ,what are u thoughts? thanks

I'm not sure about the compression but you have more displacement than the b16a and even more displacement than the gsr(b18c1).

I can assure you that the ls/vtec will give you more power than a regular b18c1 or b16a.

It would cost you about the same amount to built an ls/vtec to put in a civic and you would still be stuck with the crappy tranny but it you have a B18a in your car you can get it to be ls/vtec for about 1600-1800$. I just hope your stock block is it good condition??? If it is just keep it under 8000rpm and you will be ok.

mmmm

What about put a CRV block and the famous Sir head ? how many horsepower that can give ?

I have the same engine as you (91) The engine code is B18A and he gives ya 130hp/121lb of torque (B18B engines 94+ Ls-rs-gs) have 142 hp due to .2+ copression ratio, shorter intake runner and different exh.manifold) Thus, these engines have the biggest disp. of all the B series after the B20b- B20z

Dont go vtec. Just take your head to TKMOTIOM.
Or go sir/gsr head for big$$$, but don't expect big torque or hp gains cauz in an engine, what makes power is volumetric effiency, wich you already have something great to work on. swap a Gsr and my opinion is that you'll lost power...
or potential power.

Re: mmmm

Originally posted by Corrado
What about put a CRV block and the famous Sir head ? how many horsepower that can give ?

Click to expand...

150 lbs/ft
But this increase come from the 200cc increase from the B20 bottom end, not from the sir head.

and btw, to modify a vtec head is more expensive, cams are more complex,rocker arms etc.etc, and cuz they are more "Popular" so are the parts and the price goes up..

We did a LS/V-TEC and on the dyno. we did 201hp a the fly wheel w/o no other modif.... (il do have some in stock...)

info@impactautosport.com

did you strap anything else on that dyno? like, perhaps a regular type r?