well i was looking at all the specs on the 3g tl specs compared to our cl type s specs and along with the 10hp/6tq increase in power i noticed that they also have an increase in compression(11.0:1) which is probably where they found that extra 10hp. so i was wondering if anybody knew the thickness of the honda v6 headgaskets. and which ones fit our type-s heads , as i am looking for higer compression

 

You're best bet is running 05 RL pistons (11.0:1) which work on our heads

 

I thought you had to change a bunch of shit to get the pistons to fit... this is CleanCL's forte, ask him...

 

nobody?

 

you won't achieve higher compression from just the head gaskets.

 

to achieve higher compression without changing too much internals (i.e. leaving the motor at 3.2L), you will have to contact JE or someone else who makes pistons. search around, there's 1 or 2 companies that already have our piston specs, so you can get a custom piston w/ high compression.

 

While theoretically you could install thinner head gaskets to increase the compression ratio I don't think it's possible with our motors. The head gaskets are only 1mm thick to begin with.

 

You can get an Odyssey Crank and Rods and then use RL pistons to achieve the 11.0:1 ratio and if I'm not mistaken still use the J32A2 Block.

 

You can get an Odyssey Crank and Rods and then use RL pistons to achieve the 11.0:1 ratio and if I'm not mistaken still use the J32A2 Block. thats what I'll be doing myself on my motor rebuild

 

You don't need a new crank or rods to increase compression. Multiple piston manufactures have our specs and can make a set of pistons to your desired compression for less than purchasing the Honda crank, rods, and pistons. The crank and rods are required to increase displacement.

 

i would love to see a high compression J series. i was thinking about doing it myself, but due to time constraints custom pistons were not an option.

 

who is this exactly?

 

werd

 

Pretty sure JE has the specs. ThinJim would know.

 

JE, and also some guy w/ a TL-S who was doing a turbo def got pistons, actually i believe he was selling them, but i'm not sure if they were from JE.

3.5L, 12.0:1, and 8,000 rpm redline and lots of fuel... hmm

 

would u need new fuel demands "ECU" for that ??.
that might be very interesting if all that is needed is new pistons,

 

8,000 rpm is gonna require a reworked valvetrain and a standalone. No getting around the ECU's redline with a piggy-back.

 

i dont think so. if all you want to do is bump up the compression and the compression is around 11:1 you should be good on just 91 octane gas . somebody correct me if i'm wrong

 

e-manage ultimate can extend redline.. ok so maybe not 8,000.. how about 7500?

 

do we see the makings of a summer project?

 

Can it extend redline successfully on the J32A2? The e-manage is supposed to do lots of things and it doesn't do many very well on our car.

And a bump to 7,500 wouldn't really make that much of a difference in power do you think? 300rpm?

 

its capable of doing it, but not sure on the J. i thought the official publish redline from acura was 6900. i always thought it revved a little higher to around 7200, but i figured that was generic tach error.

 

cp and i think je have the specs, however, they made a much lower compression piston for me than what there looking for. You guys could send them an rl piston with the higher compression and have a forged one made from those. Another point to think about is the placement of the pin on the rl piston compared to the cl piston, might have to send them a cl piston as well to match up the wrist pin location. don't know if the two are the same. once you send it, expect to wait 6 months at the minimum.

 

True. Fuel cut off is somewhere around 7200 but redline starts at 6,900

 

Hondata pushes redline out with the flash, so anything is possible. But in reality it's all just a pipe dream until someone tries it. =[

 

Again back to reality, is it worth it, the gain in HP, the labour and the $$$$ spent to get there. Are they not well sort out cheaper sources and means. i think it comes to a point when u just say Ok thats it unless one is making a statement.

The truth is our cars aint that Mod friendly to start with. So the more the challenege, hype and $$

 

i don't think it's worth it to bump compression from 10.50:1 to 11:1, but i would think 12:1 would have some benefits, but you may need to go emanage to adjust fuel.

 

how much jump in HP are we talking , conservatively

 

to make it worthwhile the 3.5 stroker should be done...

if i could do it all over again, i would heat treat the 3.5 crank and rods, get 12.0:1 compression pistons and heat treat them, heat treating is cheaper than installing oil squirters and you will surely need to keep cylinder temps down, hone the cylinders, increase oil pathways and may need to dip connecting bolts and rod/crank bearings (i would), port the exhaust on the head, dip the cams, port/polish the intake manifolds and throttle body, i'm not sure how much more you can push the cams out with such a high compression piston, if you get nice big reliefs then you can def do cams, eliminate EGR, filter off the valve cover hose, make sure your injectors and FPR is solid, may need to upgrade to 1:1 FPR depending on how much you push the cams out to achieve a better idle, but as long as you have a emanage to tune it shouldnt matter much, i would use a walbro fuel pump over the OEM pump, w/ a good tune, i'd say you are in the ball park of 300whp N/A, but probably close to $7,500 in the hole, and possibly closing in on 10k

 

oh and while i'm dreaming, i would run an icebox intake if ITBs can't be fitted and comptech headers but ditch the j-pipe and run true dual exhaust all the way to the rear, or maybe just do side exits to eliminate weight, it depends on how much back pressure is needed.

 

i think the type s cams like high compression. with a bump up to 11 or 11.5:1 you'd probably see a difference. i dont know how similar the 3g tl motor is to ours. but im guessing thats where they got that extra 10hp/6trq over our motor.

 

you have to remember the 01-03 CL-S was rated on the older system, my guess is by today's standards it would only be rated at about 250 bhp / 220 tq, if that.

 

well then they have about 20horses over us. how is the 3g tl motor more powerful?

 

thats what i dream about to...

 

Less restrictive air intake and higher compression

 

a nice mixture for some ffuunn

 

there you go. the tl has around a 20hp gain on power over us just from less resrictive intake and higher compression. that compression bump to 11.5:1 sounds mighty good right now. are you guys sure theres no other way to just bump up the compression on our motors other than pistons?

 

just tell me what i need to do to gain some bottem end power to make up for no torque

 

There's pretty much no other way possible. It's not as if we have a knob that we can spin on the side of the block to increase or decrease compression ratio

 

yeah but on other motors it is just as easy as changing to a thinner headgasket. but i guess that is not the case