non revup, revup, HR rod bolt sizes and pics
10-03-2008, 08:09 PM
#1
non revup, revup, HR rod bolt sizes and pics
I was wondering instead of buying expensive arp rod bolts to put in my nonrevup rods that will fail long before the arp bolts I would look into the revup and HR bolts. So for $6 at my local nissan dealer I found out that I can use revup bolts in my nonrevup at $34.80 for all 12. I figured this information might benefit someone. For any nonrevup owner doing cams and higher rev limit, a set of rod bolts and valve springs might be a good idea. The lines I drew and the bolts placement are a little askew but the nonrevup and revup bolts measured with calipers were equal.
10-07-2008, 07:08 PM
#5
Registered User
I had started a similiar thread on the maxima boards awhile ago, here are my pics plus some quotes:
I can already see this starting a huge argument, so let me just state FTR..........
I am NOT saying that Rev-up rod bolts are = to ARP, in fact I'm not even coming close to saying that.
I am merely posting side-by-side comparison pics since I had the opportunity to do so, allthough I will say this: With the rev-ups increased rev-limit, and the fact that these bolts are only $30 vs $180, this might be a cheaper alternative for those that want to rev out to 7200 safely.
Very good point, but if the stock bolts are good for 500+ over stock limit, don't you think the rev-ups are good much past their stock limiter as well? I merely said 7200 to hold myself of any liability.
Original Thread on Maxima.org
From left to right: Standard VQ35DE, ARP, Rev-Up model
I can already see this starting a huge argument, so let me just state FTR..........
I am NOT saying that Rev-up rod bolts are = to ARP, in fact I'm not even coming close to saying that.
I am merely posting side-by-side comparison pics since I had the opportunity to do so, allthough I will say this: With the rev-ups increased rev-limit, and the fact that these bolts are only $30 vs $180, this might be a cheaper alternative for those that want to rev out to 7200 safely.
The safe limit is 7100 according to independent testing by Technosquare. They ran a non-revup VQ35 continuously at 7200 RPM and had rod bolt failure after 15 minutes. This does not mimic real-world conditions, but 7200 is too close to the operational limit IMO. So I would settle for a 7100 RPM rev-cut if I had stock rod bolts.
Original Thread on Maxima.org
10-07-2008, 07:11 PM
#6
Registered User
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#8
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To me, this is a no-brainer. If I'm building a race motor, the last place I would skimp on is the hardware. ARP has such superior materials in their rod bolts, pictures do them no justice. Nissan specs all their parts, including rod bolts, for a particular application and the DE, Revup and HR hardware is for NA use and certain performance parameters- no more, no less.
But for those on a budget--particularly going FI--don't try to save a few bucks here. Recognize what kind of stresses you're buying for to ensure you have a wide margin for error. Also, the cost of labor is worth something too and putting in stock rod bolts for anything other than a stock rebuild simply doesn't make any sense IMO.
But for those on a budget--particularly going FI--don't try to save a few bucks here. Recognize what kind of stresses you're buying for to ensure you have a wide margin for error. Also, the cost of labor is worth something too and putting in stock rod bolts for anything other than a stock rebuild simply doesn't make any sense IMO.
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