ls/vtec build up
hey whats the highest i could rev safely with a stock ls bottom end its got 30 thousand miles would you suggest arp rod bolts, any info you can give me will help thanks. Its just for my daily driver.
Modified by boostinaintez at 1:12 PM 2/4/2006
Modified by boostinaintez at 1:12 PM 2/4/2006
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fmrprojects »</TD></TR><TR><TD CLASS="quote">rod bolts and some itr or b16 pistons</TD></TR></TABLE>
I agree
I agree
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awesome i'm pretty sure i'm sticking to the ls rev limit for the mean time. if i go girdle ya da ya, i don't want to go with all the machine work necessary, to make it perform like a gsr bottom end. In the long run it might just be cheaper to pick a gsr shortblock and put my b16 head on top of her. what do u guys think?
just get some forged pistons.
the reason its unsafe to rev an ls high is because of the stock cast pistons. they get really hot high in the rpm's without the oil squirters that the gsr has.
the reason its unsafe to rev an ls high is because of the stock cast pistons. they get really hot high in the rpm's without the oil squirters that the gsr has.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boostinaintez »</TD></TR><TR><TD CLASS="quote">awesome i'm pretty sure i'm sticking to the ls rev limit for the mean time. if i go girdle ya da ya, i don't want to go with all the machine work necessary, to make it perform like a gsr bottom end. In the long run it might just be cheaper to pick a gsr shortblock and put my b16 head on top of her. what do u guys think?</TD></TR></TABLE>
I think do what YOU want.
ARP 8mm rod bolts will do you just fine. Revving your vtec motor to 7100 is stupid. Get the rod bolts, some b16/itr pistons (and the other basic necessities of any lsvtec), and rev it to 8k with no problem. But don't half *** it.
Or if you want a GS-R shortblock, get a GS-R shortblock.
I think do what YOU want.

ARP 8mm rod bolts will do you just fine. Revving your vtec motor to 7100 is stupid. Get the rod bolts, some b16/itr pistons (and the other basic necessities of any lsvtec), and rev it to 8k with no problem. But don't half *** it.
Or if you want a GS-R shortblock, get a GS-R shortblock.
Trust me dude i'm not a hack and i don't half ***. Since its just going to be my dd. My 12 sec dsm will feed my speed craze when i need it. I just need to go back and forth to school and work in some style. My daily driver for the last 3 years was a damn geometro. I sold that for more than i got my si hatch for, go figure. But anyways. The stock d16a6 in the hatch has 180000 plus miles on it. The car will still be fast at stock ls rev limit, i got the complete engine and b16 head for 500 dollars.
Modified by boostinaintez at 9:00 AM 2/5/2006
Modified by boostinaintez at 9:00 AM 2/5/2006
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95gainfla »</TD></TR><TR><TD CLASS="quote">just get some forged pistons.
the reason its unsafe to rev an ls high is because of the stock cast pistons. they get really hot high in the rpm's without the oil squirters that the gsr has.</TD></TR></TABLE>
Wrong.
The oil squirters aren't that important.
You can rev an 89mm crank just like you would the GSR's 87mm crank, also.
People get too fussy about "rod-to-stroke" ratio around here.
For the amount of time most people keep their engines, no one will ever see the effects of accelerated wear due to higher revving.
Get some rod bolts, and rev to whatever you want.
<-- Revs to 9000 RPM (but also has cams that make power there.)
- Derek
the reason its unsafe to rev an ls high is because of the stock cast pistons. they get really hot high in the rpm's without the oil squirters that the gsr has.</TD></TR></TABLE>
Wrong.
The oil squirters aren't that important.
You can rev an 89mm crank just like you would the GSR's 87mm crank, also.
People get too fussy about "rod-to-stroke" ratio around here.
For the amount of time most people keep their engines, no one will ever see the effects of accelerated wear due to higher revving.Get some rod bolts, and rev to whatever you want.
<-- Revs to 9000 RPM (but also has cams that make power there.)
- Derek
at least i can build my own car biaatch
HOnda=reliable dd o ya and by the way i had a honda when you guys were in freaking middle school. I was the first one anyways if that matters. buuu yaaa
HOnda=reliable dd o ya and by the way i had a honda when you guys were in freaking middle school. I was the first one anyways if that matters. buuu yaaa
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ernald711 »</TD></TR><TR><TD CLASS="quote">i take mine to 81k. even though it's built with JDM ITR .25 pistons and hondata tuned, i won't go over that for reliablility reasons.</TD></TR></TABLE>
81,000 RPM's eh?!
Not sure if it's been suggested yet, but having your stock LS Rods shot peened is a must. I agree with ARP Rod Bolts. And the type of B series piston that's on the end of your rod has little to do with reliabilty (speaking generally), it only bumps compression.
8K is my max.
81,000 RPM's eh?!
Not sure if it's been suggested yet, but having your stock LS Rods shot peened is a must. I agree with ARP Rod Bolts. And the type of B series piston that's on the end of your rod has little to do with reliabilty (speaking generally), it only bumps compression.
8K is my max.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sik civic »</TD></TR><TR><TD CLASS="quote">
81,000 RPM's eh?!
Not sure if it's been suggested yet, but having your stock LS Rods shot peened is a must. I agree with ARP Rod Bolts. And the type of B series piston that's on the end of your rod has little to do with reliabilty (speaking generally), it only bumps compression.
8K is my max.</TD></TR></TABLE>
Shot peening is not necessary.
81,000 RPM's eh?!
Not sure if it's been suggested yet, but having your stock LS Rods shot peened is a must. I agree with ARP Rod Bolts. And the type of B series piston that's on the end of your rod has little to do with reliabilty (speaking generally), it only bumps compression.
8K is my max.</TD></TR></TABLE>
Shot peening is not necessary.
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