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Hey guys,

I have done a conversion on my r32 gtst due to the rb20 having issues and having my brothers 25 sitting in the shed... foolishly instead of just fixing the rb20 i put in the 25 and had countless issues and no solid facts to follow online (Some people would state complex amounts of changes and others very minimal).

I have finally got the engine in completely and running however idles really rough initially until warm and then has some sputtering and problems up high. This is an issue as the purpose of this is a drifter.

I have contacted autoelectricians etc to come and look and obviously they arent interested.

I also put it down to needing a tune?

Wondering if anyone knowledgeable on a conversion if theyd be interested in coming n taking a look? Im in Glenmore Park (Western Sydney)..

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https://www.sau.com.au/forums/topic/444588-r32-rb25det-conversion/
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how long was the motor sitting b4 it was put in? Could be gunked up injectors, stale fuel. Maybe try a compression test on the motor just to make sure no blown headgasket. Clean throttle body and check for any air leaks. Was the motor from a series 1 or 2 R33.

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