BP-D Engine Building Help
Hi im currenty building a Mazda BPD engine out of a Mazda 323 GTR, i know they run the same engine (BP) as a miata so i thought this would be a good place to get some help,
my current setup is, 94' block bignose crank B6-T Rods Oversized factor replacement pistons Non turbo bp head(no port restricter) with BPD camsafts VF22 subaru turbo Now im going to be using this motor on tarmac rallies/sealed sprints etc. Im looking into engine balancing and wondering if the 'BP' engines have much trouble up in the high rev range, also im looking at making my rev limit higher..any tips/Help on these issues would be very helpfull |
if you want it to rev high willingly and reliably, you need lighter internals. also I don't know which rods you have, but some of the -T rods are the same as the weak miata rods, and some are beefier but MUCH heavier. so far, I think you're off in a wrong direction to your goals.
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Bump..
am looking into a set of JE forged rods and pistons...am i on the right track? |
Originally Posted by MadazBPD
(Post 279620)
Bump..
am looking into a set of JE forged rods and pistons...am i on the right track? in for banning this queer. |
Originally Posted by MadazBPD
(Post 279620)
Bump..
am looking into a set of JE forged rods and pistons...am i on the right track? |
Originally Posted by Arkmage
(Post 279656)
JE makes good gear, but they are way too expensive. Check out supertech. They sell some more reasonably priced rods and pistons which are light, strong, and so far reliable.
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Originally Posted by Arkmage
(Post 279656)
JE makes good gear, but they are way too expensive. Check out supertech. They sell some more reasonably priced rods and pistons which are light, strong, and so far reliable.
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im not worried about the price of JE's can get them very cheap, just wanting some advice
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ill take the old rods when you are done....
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Not for sale:)
only wanting advice!!!! not wanting to sell parts |
Dude, without more information and a proper sig and profile info, you will not get any help here, so stop being a dick and introduce yourself the right way and we just might help you.
There is also this great tool, click here! Search, read, repeat, 3-4 months down the road, ask again. Just get some ETD rods, and tri-coat those pistons. Invest in a billet oil pump, and some lighter valvetrain. Stay on the sane side of boost, and you should be fine. I am also a big believer in balancing the rotating assembly, but that's your call. |
Originally Posted by MadazBPD
(Post 279927)
Not for sale:)
only wanting advice!!!! not wanting to sell parts you'll have no use for them...and i will. :fawk: |
Originally Posted by Braineack
(Post 279938)
you'll have no use for them...and i will. :fawk:
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ok well to introduce myself, my names Jordan im 20 and im from New zealand, ive built a few mazda bp motors before but this is my 1st dedicated race engine,Ive decided on the je rods and pistons matched set i pay well under a grand NZD do it once do it right, you say billet oil pump? never knew they made them? any ever seen a mazdaspeed oil pump and that was for the smallnose cranks, with some valvetrain work how high can the bp engine rev?
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