LS-VTEC! - ClubSi

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#458571 - 09/16/06 08:05 PM LS-VTEC!
00civicsiboy 00civicsiboy Sr Member Registered: 04/18/06 Posts: 1208 Loc: Tennessee	Whats going on all? I havent posted in a while due to college but I somehow managed to get enough money for a new motor. My question is, how much power do you think I will gain from an lsvtec bottom end, ctr pistons, skunk2 valces, springs, retainers, and crower stage 3 cams? My engine builder says aroiund 170 but that sounds a little low. We will also be running a p28 chipped ecu. Thanks! Brian _________________________ AIR ASSAULT!!
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#458572 - 09/17/06 12:33 AM Re: LS-VTEC!
super_nguyen super_nguyen Post Master Registered: 10/02/05 Posts: 2443 Loc: winnipeg manitoba canada	port and polish? your definitely gonna have some high compression and that will help out the stage 3 cams, but hp #'s are all in the hands of the tuner, it sounds like it has a lot of potential. _________________________
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#458573 - 09/17/06 01:49 AM Re: LS-VTEC!
strsi strsi Post Master Jr Registered: 10/26/04 Posts: 1789 Loc: CA	I'd re-think those pistons. _________________________ 2000 EBP Si 181.5whp, 119wtq- All Motor B16 1994 EG Hatch 2000 BMW 328ci 207 Forever- RIP
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#458574 - 09/17/06 01:47 PM Re: LS-VTEC!
00civicsiboy 00civicsiboy Sr Member Registered: 04/18/06 Posts: 1208 Loc: Tennessee	Why would you rethink the pistons? _________________________ AIR ASSAULT!!
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#458575 - 09/17/06 05:21 PM Re: LS-VTEC!
super_nguyen super_nguyen Post Master Registered: 10/02/05 Posts: 2443 Loc: winnipeg manitoba canada	in an lsvtec w/ b16 head his CR would be low 14's high 13's, definitely need a good tuner or a thicker headgasket, probably won't be able to run on 93 octane unless you retard timing a lot. _________________________
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#458576 - 09/17/06 05:41 PM Re: LS-VTEC!
b16sirvtec b16sirvtec Jr Member Registered: 10/22/04 Posts: 542 Loc: stl	Quote: in an lsvtec w/ b16 head his CR would be low 14's high 13's, definitely need a good tuner or a thicker headgasket, probably won't be able to run on 93 octane unless you retard timing a lot. i got 12.32 cr. _________________________ aim: si26crx
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#458577 - 09/17/06 06:53 PM Re: LS-VTEC!
00civicsiboy 00civicsiboy Sr Member Registered: 04/18/06 Posts: 1208 Loc: Tennessee	I was told by the builder and my tuner that I should be runnign above a 12 cr with the ctr pistons... _________________________ AIR ASSAULT!!
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#458578 - 09/17/06 10:03 PM Re: LS-VTEC!
super_nguyen super_nguyen Post Master Registered: 10/02/05 Posts: 2443 Loc: winnipeg manitoba canada	http://www.zealautowerks.com/ assuming you have a b18a/b block and crank, with b18a/b rods, oem 3 layer head gasket, b16a head, and pct pistons your compression ratio is 13.96:1, if you block/head was decked or milled then expect the CR to be even higher. _________________________
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#458579 - 09/17/06 11:51 PM Re: LS-VTEC!
00civicsiboy 00civicsiboy Sr Member Registered: 04/18/06 Posts: 1208 Loc: Tennessee	I will keep you all informed...I am being assured that the cr will be around 12... _________________________ AIR ASSAULT!!
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#458580 - 09/18/06 01:56 AM Re: LS-VTEC!
strsi strsi Post Master Jr Registered: 10/26/04 Posts: 1789 Loc: CA	it up to some debate for the final CR. either way it will definatly be at least 12:1 or higher. Is the best gas u have 91 or 93? 91 then dont do it, 93 is better but id still re-think the pistons. I'd personally run p30 (jdm b16) pistons. They will give u slightly less CR. Which IMO is better because it allows for more aggressive timing. Also (it been a long time since I've looking into piston facts, so correct me if Im wrong), but i believe p30's are lighter which is always a plus. I think they also have a slightly smaller dome which allows u to run larger cams (as compared to ctr pistons) with less worries of clearance problems. _________________________ 2000 EBP Si 181.5whp, 119wtq- All Motor B16 1994 EG Hatch 2000 BMW 328ci 207 Forever- RIP
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#458581 - 09/18/06 02:15 AM Re: LS-VTEC!
super_nguyen super_nguyen Post Master Registered: 10/02/05 Posts: 2443 Loc: winnipeg manitoba canada	yah ctr pistons are the heaviest oem pistons, i think they weigh like 50 grams more than p30's there was a thread on h-t that showed all the weights of oem pistons. _________________________
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#458582 - 09/19/06 11:06 AM Re: LS-VTEC!
omgmaxownzme omgmaxownzme Jr Poster Registered: 08/23/06 Posts: 177 Loc: Banned Land!	Quote: it up to some debate for the final CR. either way it will definatly be at least 12:1 or higher. Is the best gas u have 91 or 93? 91 then dont do it, 93 is better but id still re-think the pistons. I'd personally run p30 (jdm b16) pistons. They will give u slightly less CR. Which IMO is better because it allows for more aggressive timing. Also (it been a long time since I've looking into piston facts, so correct me if Im wrong), but i believe p30's are lighter which is always a plus. I think they also have a slightly smaller dome which allows u to run larger cams (as compared to ctr pistons) with less worries of clearance problems. And don't forget adding compression via a dome is about the worst thing you can do for combustion dynamics. _________________________ OMFG... Max > me He pwnzored me with knowledge, wisdom, and maturity. Oh yeah go Maxorz!!!!!!! Full Race is for people with small dicks.
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#458583 - 09/19/06 12:01 PM Re: LS-VTEC!
00civicsiboy 00civicsiboy Sr Member Registered: 04/18/06 Posts: 1208 Loc: Tennessee	Calculated it all out last night..I will be looking at 12.6 _________________________ AIR ASSAULT!!
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#458584 - 09/21/06 05:10 PM Re: LS-VTEC!
Dr. BrokenLimits Dr. BrokenLimits Post Master Supreme Registered: 03/12/02 Posts: 34238 Loc: Austin, TX	I would rethink the entire swap. I had a fully built LS VTEC, if you have any questions send me a PM but if I could do it all over again I would go boost _________________________ /Brandon
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#458585 - 09/21/06 05:27 PM Re: LS-VTEC!
b6ixteen b6ixteen Post Master Jr Registered: 12/29/04 Posts: 1846 Loc: Florida	You know, its funny cause I was thinking along the same lines. But I think I would rebuild a B motor NA, it would have to be in a car lighter than the EM1 though. It sucks when you do all the work and still running 14s and barely making 13s.
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#458586 - 09/30/06 04:05 AM Re: LS-VTEC!
dansred2000si dansred2000si Post Master Jr Registered: 12/17/04 Posts: 1780 Loc: El Paso, Texas	Quote: You know, its funny cause I was thinking along the same lines. But I think I would rebuild a B motor NA, it would have to be in a car lighter than the EM1 though. It sucks when you do all the work and still running 14s and barely making 13s. Good point! In a Hb it would be good but an EM1 would be disapointing! I say go boost!!!!! _________________________ 1995 GSR under construction 2000Si/Champ White/Gram Lights SOLD LS/VTEC GT3076R Turbo[/color] Under construction B18A1\|CP's81.5mm\|Eagle\|ACL\|Moroso\|Cometic hg\|Hasport\|ARP\|B16A head\| GSR cams\|BDL cam gears\|Supertech valvetrain\|Vic X\|RLD Ramhorn mani\|3"DP\| Tial44mm WG\|GT3076R .82a/r\|Apexi IC\|HKS SSQ BOV\|HONDATA S300\|ACT 6puck\|
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