To oil pump or not to oil pump?
That is the question.
I have read a lot here on the subject and cant seem to find an answer. I am doing a rebuilt 1.8(M-tuned rods, ARP head studs, MLS gasket) going in a 90 track car that is light. Torsen rear end, and four transmissions in the wings.... I am going for: Goal 250(first)~300whp on a 2860rs or BW 6258 efr(haven't decided yet). Do I need a fancy oil pump? Where is the line where I need to start letting this bug me? |
After you mentioned "track car" the question was already answered.
WHY OIL PUMP? BECAUSE RACE CAR |
Originally Posted by 18psi
(Post 757690)
After you mentioned "track car" the question was already answered.
WHY OIL PUMP? BECAUSE RACE CAR I trailer the car to events and it isnt a daily driver. If it is a 300hp mod I am a few years off, if it is a 250hp deal I have to do it tomorrow. d |
HP is somewhat part of the equation. I'm more interested in what your RPM limit will be.
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I'm a pussy foot...stock redline.
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Yes rpm limit and how often/long you plan to stay in the upper rpm range. Race car usually stays up there for majority of its lifetime.
Its not like a street cars that will hit redline for a couple gears then be driven slow for a week or two. |
North of 8000rpm at any power level. North of 300wtq at 7000rpm. You probably want them. |
Is it worth a motor and a race weekend? yes.
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Thanks for the responses guys. I think I may skip it for now, and keep the boost and the RPMs down.
Bond, using your logic I could add a lot of other parts to the build as well to try to make it bulletproof, but unfortunately I am doing this on a tight budget. Most likely the motor would come out in the future and get some other choice parts(pistons, main studs, and a oil pump) before I head anywhere north of the 250~275whp range anyways. Baby steps. |
I have a stock oil pump in mine and never go above 7k rpm and shift at 6500rpm or so for the 5th-6th gear stuff. Next time I pull the motor I will add a real oil pump and gears.
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Originally Posted by hustler
(Post 757738)
I have a stock oil pump in mine and never go above 7k rpm and shift at 6500rpm or so for the 5th-6th gear stuff. Next time I pull the motor I will add a real oil pump and gears.
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Originally Posted by VitaminD
(Post 757760)
What are your whp/tq numbers right now?
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