I was wondering if anyone could help me out with this question. Would it be safe to boost a stock type r with a cometic headgasket and arp headstuds? I think it would be safe but for how much boost with a good tune? I know the headgasket will drop the compression alittle bit but not much... I have plans on boosting mine with the Full Race Stage 2 AC Kit, thats why im asking.


Modified by AllMotor4drDA at 6:42 AM 9/7/2006

 

depends on what you mean by safe

I boosted my stock motor 5 years ago, it lasted about 40K miles, most of that untuned, it made 295whp on a mustang dyno at 10-11 Psig boost. I finally popped the ringlands on piston #3 and #4 I still highly recommend it, ITRs are lots of fun boosted

 

I mean like safe so it wont blow up...lol, what kind of fuel system upgrades would you recommend? like injector sizes? fuel pump? What kind of headgasket did you use also because i was reading about your car and i know a 10.6:1 isnt the stock compression on a type r




Modified by VolkswagonWHO!!! at 7:49 AM 9/7/2006

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VolkswagonWHO!!! &raquo;</TD></TR><TR><TD CLASS="quote">I mean like safe so it wont blow up...lol, what kind of fuel system upgrades would you recommend? like injector sizes? fuel pump? What kind of headgasket did you use also because i was reading about your car and i know a 10.6:1 isnt the stock compression on a type r


Modified by VolkswagonWHO!!! at 7:49 AM 9/7/2006</TD></TR></TABLE>

10:6 is the stock compression broski.

If you just want to run low boost, get some 440cc injectors, and a better fuel pump and you'll be fine with a good tune.

My setup was bone-*** stock internals, stock headgasket. With my new build I went with OEM head gasket as well.

Here are some details on my new build:

https://honda-tech.com/zerothread?id=1738369

 

ok i thought 11:1 was the stock compression on a type r?

 

It's all in the tune. Do you have plans of building a motor? If not, why don't you take advantage of a smaller turbo?

 

I have plans on building it eventually, i figured the stage 2 kit was a good kit to go with considering the turbo is not real big, not real small. I dont just want all low end power, so im getting something alittle big. For a T3 anyways, and also i can build the motor and run the same kit that i started with stock and still make really good numbers without having to upgrade components of the turbo kit.


Modified by VolkswagonWHO!!! at 5:31 PM 9/7/2006

 

you should be fine. high compression has nothing with boosting motors. its all in whether or not that the bottom end can handle the power. you can boost a 12:1 motor with proper tuning and the right rod/piston combination. even on the stock bottom end you can see 350-400whp. its not that safe but it has been done. just make sure you tune it good and if you decide to make more power then atleast throw some good rods and pistons in.

i have a buddy of mine up in idaho that ran high 11's on a stock b18c5 with a fullrace turbo kit slapped on...i think he was running 8-9 psi. cant really remember. it was a very nice setup tho!

good luck and HAPPY BOOSTING!!!

 

Well i decided to go ALL MOTOR. Thanks for everyones input though.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cuin9sec &raquo;</TD></TR><TR><TD CLASS="quote">you should be fine. high compression has nothing with boosting motors. its all in whether or not that the bottom end can handle the power. you can boost a 12:1 motor with proper tuning and the right rod/piston combination. even on the stock bottom end you can see 350-400whp. its not that safe but it has been done. just make sure you tune it good and if you decide to make more power then atleast throw some good rods and pistons in.

i have a buddy of mine up in idaho that ran high 11's on a stock b18c5 with a fullrace turbo kit slapped on...i think he was running 8-9 psi. cant really remember. it was a very nice setup tho!

good luck and HAPPY BOOSTING!!! </TD></TR></TABLE>

Thats true to a certain extent, we are very lucky as Honda owners to have cars with alumnium heads and a great head design also. Try boosting a 12.1cp motor with iron heads and see how long it lasts.