HP gain from High Compression Pistons

[Johnny_9]

Using High Compression pistions to increase compression ratio from 10.7:1 to 12.0:1 - how much would the WHP gain be if you were already using racing cams?

- 5 WHP? :confused_smile: :shades_smile: :secret:

 

[soulfly]

hp claim is bulls*it la....

but for every full ratio increase, expect 4% performance gain if everything else still the same.

full ratio = 1 ratio

.....like 10.0:1 -> 11.0:1

 

[Oderf]

hmmm......i wonder which one is worth...considering the power gain n money invested...

1. change to CTR pistons
or
2. using CTR cams n spring with pnp head

consider for stock b16a engine...which approach will gain more power ?

 

[HanafyEG]

big pistons and big cams..gerenti power

 

[Oderf]

thats sure thing la bro...but what if for small wallet like me...can either do one of it at a time..cant afford both.... change cams or the piston first ? which one is worth more ?

 

[Yiloong]

thats sure thing la bro...but what if for small wallet like me...can either do one of it at a time..cant afford both.... change cams or the piston first ? which one is worth more ?

Just get info from few formens, correct me if i am wrong. changing high compression piston is a better choice.

 

[J101]

do which ever is affordable. its a no-ending shopping spree.

take note of hidden cost.

take note of OTHER things that may relate and needed to accomdate the
new setup.

dyno run and tuning.

thats sure thing la bro...but what if for small wallet like me...can either do one of it at a time..cant afford both.... change cams or the piston first ? which one is worth more ?

 

[Oderf]

hmm..that's y i ask which one is worth more... coz ctr piston might be cheaper than its cams...but the installation cost and tuning is another issue... so overall cost might be different.....and also have to consider the hassle that we have to go through.... but d best us to both one shot..right ?...hmmmmm.....

 

[HanafyEG]

if u dont want the hassle of doing things one by one..put both one shot..save cost and save time...

 

[hattech-v]

yeah... ctr piston with ctr cam + vs one shot...

 

[udengfahlawi]

new piston comes with rings or not ah?...or hafta buy separate?...

 

[hattech-v]

have to buy separate...
new piston set RM580. new piston ring brand RIK japan 130-150.

 

[ikyellow]

where can i get ctr new piston n piston ring?i mean in kl or pj

 

[Oderf]

hmmm...i'm looking fwd to that kind of upgrade...but cant afford to leave my car in the workshop as yet.....

 

[orc3368]

sorry ahhh off topic a bit.... what is ITR,CTR,LS/VTEC stands for?? don't understand laaa...

 

[HanafyEG]

ITR (Integra Type R) CTR (Civic Type R) LS/VTEC (hybrid - non vtec block i.e. b20b, b18b + vtec head system)

 

[soulfly]

ITR (Integra Type R) CTR (Civic Type R) LS/VTEC (hybrid - non vtec block i.e. b20b, b18b + vtec head system)

LS/VTEC is actually those American's term for B18B/B18A hybrid with VTEC head. LS is their Integra LS .... DA Integra family. Japan don't have LS model (don't even have 1.8 DA I believe... only 1.6).

 

[ikyellow]

erm.bro.....can tell me where can i get the new set of ctr piston?10q

 

[orc3368]

OoOoO i thought LS/VTEC means long stroke vtec hahahhahahah

 

[lilvee]

oso can consider... if u put 2liter or maybe 2.2liter stroker kit in b18 motor... ha ha ha