need help with oil pump upgrade. i have broke 2 pumps now on dyno if i boost over 30psi. i have a gsr with b16 crank, turning 9500, any advice would be great!

 

What kind of pulley are you running?

 

rotating assembly balanced? what kind of crank pulley do you have on there?

 

type r stock pully. crank and rods balanced.

 

was the block line bored?

 

erl said they did. so i hope so. its been in car for 2 months, it made 702 whp took it to track 3 times, i wanted to see what engine would do so we tuned it more and we made 1 pass at 813 then it broke on next pass. put in new pump made 843 3 times then broke again?

 

sounds like a balancing issue to me. or the pulley isnt doing its job.

 

use a damper.

 

I broke a ton of oil pumps with the fluidampr pulley. I switched over to the ATI, and haven't broken once since.

 

what is the ATI?

 

i heard of alot of people having prods with fluid dampr, i've built alot of honda motors but this is my first b18 long rod set up. so i didnt no if that was the prob.

 

ATI Super Damper

http://www.atiracing.com/products/da...s/damhonda.htm

 

put a damper on it

ATI Race Damper

 

do you run the race steel or the race alum?

 

use the steel -- high horsepower turbocharged b series engines -- part # 918471

 

alright, thanks for the help

 

Making that much power, if your reffering that your type r pulley is the wondefull oil pump breaking Ctr pulley. Listen to Jake and James. Get the race version not the street one. And every 2 yrs, send it in to get new balance rings. Just got my new rings back, 1 1/2 week turnaround. ATI

 

How heavy is your flyweel?

did you get the flywee and clutch and crank and crank pulley balanced at machine shop all together??

 

do you have one for an H series?

 

Have you checked the clearances once the pump is installed? This might tell you if the line hone is the issue or/and crank harmonics.

 

I had the same problem and then installed a fluidmpr and broke another one, finally I assumed it was because I was running a cheap clutch. Changed it and never broke one again even running a stock b18b pulley.

 

Def need a pulley, get a ATI. Most boosted guys on the Drag Forums uses it with great success, including me.

 

so at what power level would you say it's a necessity? i've always used stock.

Im a late comer and just now making it to the 550+ range

 

^^^I would not worry so much about the amount of power but the amount of boost.

 

Hmm. I have been running one for a couple years with no issues as many others have. Either way, I would get one for sure and also re-evaluate what clutch you are using.