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thanks again. Your reasoning is very similar to my own. Realistically i have been trying to convince myself that an NA 1uzfe will be powerfull enough. Just scared of a lack of torque.... hopefully the modifications will remedy that..

Thanks mate, all good info... yeah the only thing that worries me about using a 1uzfe would be down low torque. From my experience they seem to lack the low down punch of the bigger V8s i have been in... i enjoy the top end revs in the 1uzfe but im hoping to have the best of both worlds...

i know this may not interest u guys but economy maybe something to think about with 6th gear.... 6 means u can put a extremely high diff gear in and still have a low RPM in 6th gear at cruising speeds.. A case point would be the t56 in the holden commodores.... the 6th gear has a ratio...

Hey guys, I have been doing plenty of research into the 1uzfe for a conversion i have planned (in 2 years time, when i have the money and turn 25 and insurance becomes a little less rediculous) but now i have come to a bit of a fork in the road. The question is weather or not to...

Thanks for the news.. although that sucks the big one....

Come on, can someone please give me the pro's and con's of each engine... 1)which would be better in NA form 2)which would be better in turbo form (assuming you decompression it to say 8.5:1) Please someone ??? Anyone

I myself would love to know the answer to these questions... thanks.. SOMEONE ???

I'll be very keen to see some footage of it when its running mate.... where about do u live in aus ? Keen to hear how it runs....

90+ LS400 and SC400 had the 200kw 357NM 1UZFE 98-99 Celsior had the VVT 210kW 400NM 1UZFE I am considering doing a conversion at a later date and im in the research phase. What ever engine i choice i will be running a manual behind it and as such i will most likely use a aftermarket...

hey mate that looks bloody awesome? Is the thing on the road yet? Is it at least drivable? If it is can you tell us how the new set up compares to the old 5.0L ???? The biggest fear i would have with your conversion is the lack of torque compared to the trusty old 304efi

Any updates mate, really interested in your conversion... am gonna put a v8 in an S14 but havent decided what v8 yet... 1UZFE, LS1, not overly fussed with the VH45 though

Whats the laws for conversions in victoria, Australia of course ???? is there a capacity limit per car weight?? is there any rules in particular ??? say a stock car weights 1250.. and u wonna shove a different engine in there what are the rules... Like can you shove any capacity...

700rwHP equates to 522rwkW or if you meant 700fwHP equates to 522fwkW VERY ROUGHLY SPEAKING rwHP approximates to fwkW therefore you can roughly assume that 700fwHP approximates to 522rwHP or 390rwkW's which were you refering to ?

when you say cheap to turbo what sorta prices are we talking ? Australian dollars mind you.....

THanks, let me know what he says.. also ask him what would be required to rev the 1UZ safely to 8000RPM Cheers

Thanks for the helpful information.... yeah the nissan VH45 have extremely good heads but a weak bottom end. Both the 1UZ and LS1 have 6 bolt mains and are extremely strong. There are guys on LS1.com.au driving round with 440rwkW with stock bottom ends and have done so for a long time without...

have u weighed the two engines when they were out of the car ??? im interested in trying to keep the even weight distribution..... from the information i have gathered : c) 1UZ-FE (4.0l lexus v8) (NO trans) 177kg no accessories, around 213kg fully dressed e) SR20DET (NO trans)...

hey dude sweet looking conversion, hows the progress going ? i was wondering, have you fitted the manual box yet ? what is the positioning of the shifter like ? Is it in a similar position as the original shifter in the silvia or is it forward (towards engine bay) or back ?? Im thinking...

Its too far away before i do the conversion (12 months minimum) so i will get a quote closer to the date, i wouldnt want to waste your time, thanks for the help though

yes ls1 has 6 bolt mains. yes youn can rev an ls1 safely to 7000rpm + depending on work done. im here to find out more about the 1UZ-FE. The reason i ask about comparing it to an LS1 is because its an engine in know fairly well.