World Record NA VHR Build

Masterbeatty · 11-01-2014, 11:37 PM

Quote:

Originally Posted by 1slow370

For a vhr it is. No one has gotten more with vvel

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This is a true statement. All the grand am race cars are HR heads and shamus old car is with a 4.0 stroker with an HR head also. The jun cam car is probably runner up.

1slow370 · 11-01-2014, 11:40 PM

Track vids tomorrow unless i fail tech, may need a firewall for the tank.

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Elmo370z · 11-02-2014, 01:15 AM

what type of piston and rods does your car have?

DEpointfive0 · 11-02-2014, 01:44 AM

Quote:

Originally Posted by Elmo370z

what type of piston and rods does your car have?

Stock

1slow370 · 11-02-2014, 06:48 AM

Quote:

Originally Posted by DEpointfive0

Stock

yep stock rods, pistons, crank, bearings, timing gear, valves, springs, lifters, vvel, ports(nothing is ported). the only internal changes were the cams and removing the oil pump.

There was some slow secret sauce poured into the trans to help with the higher rpm shifts tho, eat that TSM lol

Elmo370z · 11-02-2014, 09:55 AM

geez, the stock internals don't mind that many rpm's?

G37sHKS · 11-02-2014, 10:59 AM

Im just curious, since your budget and engine was open why you didn't go for stroker to get the most out of it?

valpozguy · 11-02-2014, 02:34 PM

Correct me if I'm wrong, but I always thought that hi rev motors work better with shorter stroke?

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BGTV8 · 11-02-2014, 03:52 PM

Based on my research (JWT, Unitech, the NISMO engine-builder with Kelly Racing), with replacement rod bolts both the VQ35HR and VQ37VHR are both safe to 8800rpm (although the jury is still out on running the VVEL that hard for sustained periods - there is no real empirical detail).

With OEM rod-bolts, I'd be reluctant to exceed 8000rpm, but that is just me.

Remember, NASCAR engines run 9500rpm and more for hours and they are all >3-inch stroke.

1slow370 · 11-02-2014, 06:25 PM

Just got back gonna load up the video latter tonight, really need to adress traction issues. Pulled 2.328 60ft and still trapped 113.1 at 13.3. It has got the power to go deep 12's but i might as well be launching in second with my 60ft times.

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FL 4Motion · 11-02-2014, 07:17 PM

Quote:

Originally Posted by BGTV8

Based on my research (JWT, Unitech, the NISMO engine-builder with Kelly Racing), with replacement rod bolts both the VQ35HR and VQ37VHR are both safe to 8800rpm (although the jury is still out on running the VVEL that hard for sustained periods - there is no real empirical detail).

With OEM rod-bolts, I'd be reluctant to exceed 8000rpm, but that is just me.

Remember, NASCAR engines run 9500rpm and more for hours and they are all >3-inch stroke.

So the stock Pistons/rods/crankshaft etc can handle 8800rpm if the rod bolts and oiling system are upgraded? Probably would want to use hr heads as well.

EZT · 11-02-2014, 07:34 PM

Man, that sounds absolutely beautiful.

1slow370 · 11-03-2014, 12:20 PM

TerribleONE · 11-03-2014, 12:22 PM

Nice trap speed. What tires were you using and how was the track prep?

1slow370 · 11-03-2014, 12:24 PM

Track prep was ok tires were stock nismo, and i only got 3 runs in it was hella busy. Probably could have knocked off more time if i could have gotten more runs in. I was shaving time off as i was getting better launches 14.4-13.9-13.3 i could have gotten into the 12's with more runs but it really needs better tires. Really was surprised with the amount of wheelspin it was so much harder to get a good launch than when it was stock.

11-01-2014, 11:40 PM	#92 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	Track vids tomorrow unless i fail tech, may need a firewall for the tank. Sent from my HTCONE using Tapatalk TerribleONE, DEpointfive0, critical and 1 others like this. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

11-02-2014, 10:59 AM	#97 (permalink)
G37sHKS A True Z Fanatic Join Date: Feb 2010 Location: Dubai Posts: 1,183 Drives: 09 G37S Coupe 7AT Rep Power: 21	Im just curious, since your budget and engine was open why you didn't go for stroker to get the most out of it? __________________ G37 BUILD UNDER CONSTRUCTION

11-02-2014, 06:25 PM	#100 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	Just got back gonna load up the video latter tonight, really need to adress traction issues. Pulled 2.328 60ft and still trapped 113.1 at 13.3. It has got the power to go deep 12's but i might as well be launching in second with my 60ft times. Sent from my HTCONE using Tapatalk BGTV8, gbrettin, valpozguy and 1 others like this. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

11-03-2014, 12:20 PM	#103 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	__________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

11-03-2014, 12:22 PM	#104 (permalink)
TerribleONE A True Z Fanatic Join Date: Jan 2009 Location: Socal Posts: 10,203 Drives: WOT Rep Power: 5851	Nice trap speed. What tires were you using and how was the track prep? __________________ 638WHP 541WTQ @ 13.5PSI Build thread

11-02-2014, 01:15 AM	#93 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,725 Drives: 09 nissan 370z Sp M6 Rep Power: 295379	what type of piston and rods does your car have?

11-02-2014, 09:55 AM	#96 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,725 Drives: 09 nissan 370z Sp M6 Rep Power: 295379	geez, the stock internals don't mind that many rpm's?

11-02-2014, 02:34 PM	#98 (permalink)
valpozguy Track Member Join Date: Feb 2012 Location: valparaiso Posts: 501 Drives: 09 z Rep Power: 17	Correct me if I'm wrong, but I always thought that hi rev motors work better with shorter stroke? Sent from my SAMSUNG-SGH-I527 using Xparent BlueTapatalk 2

11-02-2014, 03:52 PM	#99 (permalink)
BGTV8 A True Z Fanatic Join Date: Dec 2009 Location: 03350 Australia Posts: 1,515 Drives: 09 Nissan 370Z M6 Rep Power: 39974	Based on my research (JWT, Unitech, the NISMO engine-builder with Kelly Racing), with replacement rod bolts both the VQ35HR and VQ37VHR are both safe to 8800rpm (although the jury is still out on running the VVEL that hard for sustained periods - there is no real empirical detail). With OEM rod-bolts, I'd be reluctant to exceed 8000rpm, but that is just me. Remember, NASCAR engines run 9500rpm and more for hours and they are all >3-inch stroke.

11-02-2014, 07:34 PM	#102 (permalink)
EZT Track Member Join Date: Mar 2011 Location: Gainesville Posts: 547 Drives: 09 370z Rep Power: 316	Man, that sounds absolutely beautiful.

11-03-2014, 12:24 PM	#105 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	Track prep was ok tires were stock nismo, and i only got 3 runs in it was hella busy. Probably could have knocked off more time if i could have gotten more runs in. I was shaving time off as i was getting better launches 14.4-13.9-13.3 i could have gotten into the 12's with more runs but it really needs better tires. Really was surprised with the amount of wheelspin it was so much harder to get a good launch than when it was stock. gbrettin and megalapagas like this. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50 Last edited by 1slow370; 11-03-2014 at 12:54 PM.

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