please help with b18c5 swap
rexerk
Joined: Apr 2004
Posts: 124
Likes: 0
From: Madison, WI
With all the talk of the C5 lately for some reason, can anyone actually tell me the differences between a B18C1 and a B18C5, and i dont mean numbers like compression hp and torque i know all those number, I'm just curious what honda actually did to the engine to produce those better numbers. I too am considering this swap thats why I'm curious.
Teal Hatch Cult Member
Joined: Apr 2003
Posts: 547
Likes: 0
From: Chicago Burbs
main differences....
the C5 came with a different intake manifold
larger Throttle Body
port/polished head from the factory
dual valve springs
more aggressive cams
and of course the ECU to control it all
in the end the power curve is a lot smoother and resulted in more output. You really can't say it's only 15hp, its way more than that in drivability.
read this post for more info from others
I'd covert your rex to OBD1, going to OBD2 from OBD0 would be a huge task. and in the end you'd want 1 to go stand alone anyway.
Since the ITR ECU is OBD2a/b (there was one year it was OBD1 but it nearly imposable to find one of the ECUs) a configurable ECU is about the only way to go. Hondata is great and OEM quality.
the C5 is great for N/A but if you want big numbers and plan to boost, stick with the C1, much cheaper and more turbo friendly CR. Plus if you pop it, you don't cry quite as much.
the C5 came with a different intake manifold
larger Throttle Body
port/polished head from the factory
dual valve springs
more aggressive cams
and of course the ECU to control it all
in the end the power curve is a lot smoother and resulted in more output. You really can't say it's only 15hp, its way more than that in drivability.
read this post for more info from others
I'd covert your rex to OBD1, going to OBD2 from OBD0 would be a huge task. and in the end you'd want 1 to go stand alone anyway.
Since the ITR ECU is OBD2a/b (there was one year it was OBD1 but it nearly imposable to find one of the ECUs) a configurable ECU is about the only way to go. Hondata is great and OEM quality.
the C5 is great for N/A but if you want big numbers and plan to boost, stick with the C1, much cheaper and more turbo friendly CR. Plus if you pop it, you don't cry quite as much.
been there done that
Joined: Jun 2002
Posts: 30,637
Likes: 0
From: 916
Originally Posted by speedfreak7
i havent got the motor yet, but i have found a few prospects, and the money thing ive had to give up a lot of conforts for it. as for power its not the 15 hp its the 400 over all with super charger and with the titanium insides it the bullet proofness and the opertunity for a larg shot of nos giving me an almost untoughiable car i hope hehe
been there done that
Joined: Jun 2002
Posts: 30,637
Likes: 0
From: 916
Originally Posted by flyromeo3
And you know high compression cars shouldnt be mated with a turbo.