What's up H-Ter's?
I have some questions on rebuilding a B18A motor that I got free. The motor smokes a little bit, so that is why I want to have it freshened up. I want to try to keep it on a decent budget since I am not looking for crazy horsepower. I figure the horsepower on this motor is definitely better that the d16a6 that is in my '88 hatch now.

Questions:

1) Is it feasible to use ITR or CTR pistons in the B18A block?
2) Would I be able to use the stock rods on the ITR pistons?
3) Would cams from a '94-95 LS motor be better than the '91 LS cams?
4) Is it feasible to use a VTEC block oil pump in the LS block? If so, would it result in better oil pressure under high rpm?

I guess that is about it. I wanted to see what type of numbers I could get with using stock honda parts. Plus they would be cheaper that aftermarket. Any help would be great. Unitl then.....

 

Here is another question. Is going with a B20 block and the LS head a viable option? Are there any problems with this setup? Is the performance decent?

 

Well I think using usdm type r pistons would be better as it will give you a higher compression ratio. (10.3:1) It will also be safer because it doesn't have such a tall dome. You can also use the LS rods. If you use the b20 block you can't use anything but aftermarket pistons. New cams couldn't hurt if you can get them for cheap. I don't see how a vtec oil pump could hurt. I'd grab one, they are cheap and easy to find. Hell I have a b16 one for sale if you'd like. hth

 

Thanks for the info. I know that I can't use ITR pistons in the B20 block. My question was, how would the performance be if I took the B20 block(stock) and just bolted on the LS head? Would the performance be decent?

 

Actually, not to be a dick and answer a question with a question... but why do you evenwant to do this? With moderate horsepower goals, and a budget to uphold... why waste your time with a B-series swap? Motor Mounts, Transmission, New Axles, not to mention the usual ECU upgrade are all going to be quite a bit omre expensive than building a fast D16a6.

I think D16a6's kick ***. The head is great on them, they have a pretty solid bottom end and have lots of parts available for them... Here's what I reccomend.

Get a preformance clutch (most expensive part).
Get a bigger cam for the a6, a reground one to like 256 degree.
Get a turbo from a junkyard in good condition (be patient)
Get a BOV from a car that came with one stock.
Get the HF exhaust manifold and an adapter flange to mount to the turbo you use.
Get your ECU chipped and use an EPRom Burner to burn Turbo-Edit chips
Get an intercooler from a car that came with one (Starion/Conquest good choice)
Get some decent piping
Get some lines for oil and water cooling (depending on the turbo you go with)
Get a friend to help you
Get on a forum like turboD16.com or Homemadeturbo.com

Put out around 180 hp instead of 140 from an LS motor, at 1/3 the price of a b-series swap. And then when people ask what you have under the hood say you have the stock motor in it. Then when you kick their *** they will drop their jaws.

 

That is true. And I have an hf manifold for sale.

 

I guess I am doing the swap because I got the motor and tranny for free. My friend is clearing out his garage and needs to get rid of it. The tranny is a B16 tranny with about 50K on it and the motor is a 91 LS with about 160k. The motor needs to be refreshened because it is blowing a little smoke. I figured I could either rebuild it, or get a B20 short block for about $500-600 with low mileage.

I like the D16A6 in my car now, but it is starting to puff a little and will need to be rebuilt. I guess I am just weighing the options.

 

ITR & CTR rods need to have 1mm milled off each side of the LS rods to fit. B16 pistons will give you close to 11:1 compression(between the ITR & CTR) and will fit the LS rods without modification.

 

Now that is the type of info I was looking for.

 

If you are going to put cams in the motor, don't waste your time with OEM 94 LS cams.

Secondly, a VTEC oil pump is meant to lubricate a motor spinning up to 8k + RPM, which your LS won't do unless you have a built head.

So spend your $$$ elsewhere, nevermind the VTEC oil pump and OEM LS cams. just my .02

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jedubz &raquo;</TD></TR><TR><TD CLASS="quote">Actually, not to be a dick and answer a question with a question... but why do you evenwant to do this? With moderate horsepower goals, and a budget to uphold... why waste your time with a B-series swap? Motor Mounts, Transmission, New Axles, not to mention the usual ECU upgrade are all going to be quite a bit omre expensive than building a fast D16a6.

I think D16a6's kick ***. The head is great on them, they have a pretty solid bottom end and have lots of parts available for them... Here's what I reccomend.

Get a preformance clutch (most expensive part).
Get a bigger cam for the a6, a reground one to like 256 degree.
Get a turbo from a junkyard in good condition (be patient)
Get a BOV from a car that came with one stock.
Get the HF exhaust manifold and an adapter flange to mount to the turbo you use.
Get your ECU chipped and use an EPRom Burner to burn Turbo-Edit chips
Get an intercooler from a car that came with one (Starion/Conquest good choice)
Get some decent piping
Get some lines for oil and water cooling (depending on the turbo you go with)
Get a friend to help you
Get on a forum like turboD16.com or Homemadeturbo.com

Put out around 180 hp instead of 140 from an LS motor, at 1/3 the price of a b-series swap. And then when people ask what you have under the hood say you have the stock motor in it. Then when you kick their *** they will drop their jaws. </TD></TR></TABLE>


future potential of motor higher with bseries.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jedubz &raquo;</TD></TR><TR><TD CLASS="quote">Actually, not to be a dick and answer a question with a question... but why do you evenwant to do this? With moderate horsepower goals, and a budget to uphold... why waste your time with a B-series swap? Motor Mounts, Transmission, New Axles, not to mention the usual ECU upgrade are all going to be quite a bit omre expensive than building a fast D16a6.

I think D16a6's kick ***. The head is great on them, they have a pretty solid bottom end and have lots of parts available for them... Here's what I reccomend.

Get a preformance clutch (most expensive part).
Get a bigger cam for the a6, a reground one to like 256 degree.
Get a turbo from a junkyard in good condition (be patient)
Get a BOV from a car that came with one stock.
Get the HF exhaust manifold and an adapter flange to mount to the turbo you use.
Get your ECU chipped and use an EPRom Burner to burn Turbo-Edit chips
Get an intercooler from a car that came with one (Starion/Conquest good choice)
Get some decent piping
Get some lines for oil and water cooling (depending on the turbo you go with)
Get a friend to help you
Get on a forum like turboD16.com or Homemadeturbo.com

Put out around 180 hp instead of 140 from an LS motor, at 1/3 the price of a b-series swap. And then when people ask what you have under the hood say you have the stock motor in it. Then when you kick their *** they will drop their jaws. </TD></TR></TABLE> \
this is funny stuff. yes it might be a little cheaper but it wont hold nearly the horsepower the ls engine will. now i am not bashing the d series engine but someones got to get the clue.