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i vaguely remember someone posting a few PDF's in regards to mods before.. and i cant find them on here, or on the DPI website.

i'm basically interested in the engine conversion part of it, and going from a RB20 to a 25.

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https://www.sau.com.au/forums/topic/254419-dpi-engine-coversion-pdf/
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isn't it 20% increase in power/weight? not actual capacity? at least that's what i interpreted from that document.

unfortunately i'm going from a red top rb20 as well, so the starting figure is even lower... 180hp to *cough* 250hp...

The document says a few different things about power increase such as the part that states the maximum power the chasis come with... there is a few ways to interpurate as in all governement documents so it depends on the person or if you have an engineer then depends on them. Just read really careful and know your stuff so no one can bluff you :blush:

i vaguely remember someone posting a few PDF's in regards to mods before.. and i cant find them on here, or on the DPI website.

i'm basically interested in the engine conversion part of it, and going from a RB20 to a 25.

Hey man i work with DPI and licensing cars and all that stuff. You only need to have the vehicle inspected if there is a considerable power increase from the engine (i cant tell you percentage wise coz i dont know), or if the new engine has more/less cylinders.

We do have forms we can send out called change of engine number forms....ill check our website BRB

aha here we go, change of engine number form http://www.dpi.wa.gov.au/mediaFiles/lic_MR6_ChgEngNum.pdf

:)

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