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Another Crank Collar Issue (sorry To All)

paul f

By paul f,
in Engines & Forced Induction

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paul f Enthusiast

paul f

Posted
Posted

ok well im taking my bottem end apart tommorow and well do i need the crank collar fixed or not?

yes i own a r32 motor and the snout is short!! but what if i dont fix it? i know what happens if it does fail but, i going to be using the motor for drifting so is this need 100% or not! i know better safe then sorry but some people tell me you dont have to get it fixed! can i still rev high with out it? and to what rpm?

Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

are you going to pull the engine appart? you will need to take the crank out and get a machine shop to machine the snout down so the collar will fit.

For drifting its a must. hitting rev limiter all the time will jerk the pump and eventually crack it and stuff your engine (i have yet to see it though)

ok well im taking my bottem end apart tommorow and well do i need the crank collar fixed or not?

yes i own a r32 motor and the snout is short!! but what if i dont fix it? i know what happens if it does fail but, i going to be using the motor for drifting so is this need 100% or not! i know better safe then sorry but some people tell me you dont have to get it fixed! can i still rev high with out it? and to what rpm?

GeeTR Grand Master

GeeTR

Posted
Posted
hitting rev limiter all the time will jerk the pump and eventually crack it and stuff your engine (i have yet to see it though)

Theres a person on here who had this exact thing happen. Rev limiter launches, and all the shock loading shattered the N1 oil pump drive. (they are made stronger, and more brittle, theres a fair bit of talk about it on this forum)

As for limiter action on a stock oil pump... ;) I think its definitely worth extra coin.

Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

i decided to use the stock nissan rb25 oil pump on my rb30det with the crank collar mod and have had no issues at all!

Theres a person on here who had this exact thing happen. Rev limiter launches, and all the shock loading shattered the N1 oil pump drive. (they are made stronger, and more brittle, theres a fair bit of talk about it on this forum)

As for limiter action on a stock oil pump... :D I think its definitely worth extra coin.

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