R34 N1 Motor (u24 Brand New ! )
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By drifter17a · Posted
Hi all, I’ve just finished fitting the timing belt on my RB25, following the standard procedure: rotate the crank twice, release the tensioner, then tighten it down. The belt feels tight, and you can see that clearly in the picture below I’ve heard some people say it’s actually better for the belt to be slightly loose rather than too tight, as excessive tension can lead to snapping. So that’s in the back of my mind. What I’m seeing is this: • At idle, the belt looks fine. • But when cranking and especially when revving (around 3–4,000 RPM), there’s a momentary flap/flex or flicker in the belt, which I’ve tried to capture in the video. So my question is — based on what you see, is this slight belt movement something you’d consider normal, or am I just being OCD? Could this amount of movement cause sync issues? Or is it just a harmless bit of flex under load? from what I know belt flap and flex is expected when crank spins up and pull cam with it Would appreciate any thoughts or similar experiences. IMG_7656.mov IMG_7657.mov -
By EddieR34GT-X · Posted
I've replaced the front brakes of my NA to 324 brembos and 350z calipers: i'm going for 225/40-18 up front and 245/35-18 in the back. I have Rays 7.5*19 ET35(225/35) in the front with 5mm spacers otherwise the calipers "lock up/ won't rotate". When i use the calculator i come up with 8*18 ET30 for 225/40...... but not sure i get problems with the calipers. Anyone riding around with 18 inch. that can confirm "that it'll fit"? In the back it's 7.5*9 ET30 (245/30) with the 5mm spacers, but there is no problem with the standard small brakes, so i want to take 8.5*18 ET25 (245/35). -
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Glad to hear. If possible, get your tuner to check air's to make sure everything is still where it should be. -
The problem with FB/Insta/Reddit etc comments relating to cars is simple. You get to ask a question once, and get one round of replies. For things that can actually be answered in a few lines of text, once, it's fine. After 6 hours, your original question is lost to the void. There are no follow ups, additional questions, anything. No project car is ever such a simple list of questions to ask. You need discussion.
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