# ls/vtec build question? **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [January 7, 2008, 10:40am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606 "2008-01-07T10:40:15Z")\ **Posts on this page:** 20\ **Page:** 2
**Author:** ![dyingwish](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dyingwish/32/6041_2.png) [@dyingwish](https://forums.speedlife.net/u/dyingwish)\ **Post date:** [January 10, 2008, 5:08am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/21 "2008-01-10T05:08:38Z")
You are definately correct about the quality of the tune, and how it’s affect reliability…and Evan’s is more than capable of delivering. Good luck with it, can’t wait to see it happen. ---
**Author:** ![fmfkid250](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fmfkid250/32/5973_2.png) [@fmfkid250](https://forums.speedlife.net/u/fmfkid250)\ **Post date:** [January 10, 2008, 1:52pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/22 "2008-01-10T13:52:46Z")
dynapak ---
**Author:** ![wrayzor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wrayzor/32/6021_2.png) [@wrayzor](https://forums.speedlife.net/u/wrayzor)\ **Post date:** [January 10, 2008, 2:59pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/23 "2008-01-10T14:59:21Z")
> [@Watch Crew: What to buy?](https://forums.speedlife.net/t/watch-crew-what-to-buy/34295/19): > > dynapak hater :hsugh: 🙂 ---
**Author:** ![06F4i](https://avatars.discourse-cdn.com/v4/letter/0/e99b99/32.png) [@06F4i](https://forums.speedlife.net/u/06F4i)\ **Post date:** [January 10, 2008, 3:31pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/24 "2008-01-10T15:31:04Z")
90% of all evans tunes are on c16 no street gas which is another reason he makes the numbers he does and runs that much boost to stalk motors ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 10, 2008, 4:07pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/25 "2008-01-10T16:07:17Z")
> [@Help me pick out a new truck..Updated 9/13 with new truck piczs](https://forums.speedlife.net/t/help-me-pick-out-a-new-truck-updated-9-13-with-new-truck-piczs/34289/32): > > 90% of all evans tunes are on c16 no street gas which is another reason he makes the numbers he does and runs that much boost to stalk motors yes but not me 🙂 i have to be different im going ethanol:nuts: ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 10, 2008, 4:10pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/26 "2008-01-10T16:10:35Z")
> [@Help me pick out a new truck..Updated 9/13 with new truck piczs](https://forums.speedlife.net/t/help-me-pick-out-a-new-truck-updated-9-13-with-new-truck-piczs/34289/13): > > You are definately correct about the quality of the tune, and how it’s affect reliability…and Evan’s is more than capable of delivering. Good luck with it, can’t wait to see it happen. ill keep you posted right now the block is at the machine shop and i should be making a tune date here in the next few weeks…dynapak whats that mean joe??? 🙂 you mad someone is breaking into your realm lol…now only if i could drive… ---
**Author:** ![06F4i](https://avatars.discourse-cdn.com/v4/letter/0/e99b99/32.png) [@06F4i](https://forums.speedlife.net/u/06F4i)\ **Post date:** [January 10, 2008, 8:59pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/27 "2008-01-10T20:59:08Z")
:bigthumb: ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 9:55am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/28 "2008-01-11T09:55:01Z")
what does boring with a torque plate mean? ---
**Author:** ![JackdUp](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jackdup/32/6015_2.png) [@JackdUp](https://forums.speedlife.net/u/JackdUp)\ **Post date:** [January 11, 2008, 10:19am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/29 "2008-01-11T10:19:22Z")
From Stangnet… The torque plate is usually a 1 inch thick plate, with the four cylinder openings. You bolt this thing down to spec, and then hone the block under the same conditions as having the head bolted down. The theory on Torque plates is that when you bolt the head down on the block, the bolts “stretch” the cylinder into more of a square shape. Now this is VERY slight, and I have been told that the Chevy’s are worse for tweaking than Mopar or Fords. You’re not going to gain HP really, it’s more about making the cylinder as round as possible under what would be the torque of the head bolts, instead of without. You have a greater chance of rings sealing using it, but I have never used them, and all my engines sealed fine. ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 10:31am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/30 "2008-01-11T10:31:08Z")
gotcha …thanks. Yea i didnt ask for it the machine shop said thats how he was going to do it and i didnt want to feel like an ass and be like whats that mean . Thanks for the info man ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 10:36am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/31 "2008-01-11T10:36:07Z")
well an update from the machine shop. There was a scratch in #3 cylinder from dirt being drug by the ring so unfortainately i wont be able to keep the stock bore. He is only going 10 over so the scratch must have been minor. ---
**Author:** ![JackdUp](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jackdup/32/6015_2.png) [@JackdUp](https://forums.speedlife.net/u/JackdUp)\ **Post date:** [January 11, 2008, 10:39am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/32 "2008-01-11T10:39:59Z")
Um, that’s almost 2.5 mm larger in diameter. 81.0 + 2.5 = 83.5 mm ---
**Author:** ![wrayzor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wrayzor/32/6021_2.png) [@wrayzor](https://forums.speedlife.net/u/wrayzor)\ **Post date:** [January 11, 2008, 11:18am UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/33 "2008-01-11T11:18:57Z")
> [@3rd '07 Track Day - September 14th!](https://forums.speedlife.net/t/3rd-07-track-day-september-14th/33538/181): > > From Stangnet… > > The torque plate is usually a 1 inch thick plate, with the four cylinder openings. You bolt this thing down to spec, and then hone the block under the same conditions as having the head bolted down. > > The theory on Torque plates is that when you bolt the head down on the block, the bolts “stretch” the cylinder into more of a square shape. Now this is VERY slight, and I have been told that the Chevy’s are worse for tweaking than Mopar or Fords. > > You’re not going to gain HP really, it’s more about making the cylinder as round as possible under what would be the torque of the head bolts, instead of without. > > You have a greater chance of rings sealing using it, but I have never used them, and all my engines sealed fine. i wonder if this affects honda motor even less because of the floating sleeves? oh and i’ve never seen pistons come in .010 over always .020 over, i mean it would still be within oem specs for piston to wall clearance your piston to wall clearance is going to be a little bigger ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 12:24pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/34 "2008-01-11T12:24:45Z")
> [@The ultimate time waster.](https://forums.speedlife.net/t/the-ultimate-time-waster/34269/59): > > Um, that’s almost 2.5 mm larger in diameter. 81.0 + 2.5 = 83.5 mm 10thousands = 83.5?? ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 12:26pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/35 "2008-01-11T12:26:46Z")
> [@Well these fit alot better.....](https://forums.speedlife.net/t/well-these-fit-alot-better/34312/4): > > i wonder if this affects honda motor even less because of the floating sleeves? > > oh and i’ve never seen pistons come in .010 over always .020 over, i mean it would still be within oem specs for piston to wall clearance your piston to wall clearance is going to be a little bigger i dont know about how it affects it, but should i tell him to go .020 over? ---
**Author:** ![JackdUp](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jackdup/32/6015_2.png) [@JackdUp](https://forums.speedlife.net/u/JackdUp)\ **Post date:** [January 11, 2008, 12:46pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/36 "2008-01-11T12:46:06Z")
my bad, .254 mm = 0.010 in I was in a hurry…bad math ensued. so that’s 81mm bore + .254 mm over ~ 81.25 (my bad). ---
**Author:** ![bald1one](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@bald1one](https://forums.speedlife.net/u/bald1one)\ **Post date:** [January 11, 2008, 12:57pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/37 "2008-01-11T12:57:41Z")
no prob im not that great at math either dont worry about it ---
**Author:** ![Hycomp](https://avatars.discourse-cdn.com/v4/letter/h/d6d6ee/32.png) [@Hycomp](https://forums.speedlife.net/u/Hycomp)\ **Post date:** [January 11, 2008, 1:21pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/38 "2008-01-11T13:21:21Z")
Unless he already has your pistons he should not be boring/honing as the particular pistons you end up getting may have recommended piston-wall clearance specs that differ from what your bore sizing was honed to. Otherwise you may end up with pistons that are too small and have too much piston-wall gap (in which case you’ll need to get other pistons) or else not enough gap (in which case you will need to pay to have the cylinders rebored/honed). ---
**Author:** ![06F4i](https://avatars.discourse-cdn.com/v4/letter/0/e99b99/32.png) [@06F4i](https://forums.speedlife.net/u/06F4i)\ **Post date:** [January 11, 2008, 2:21pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/39 "2008-01-11T14:21:46Z")
ummm not to be a dick here but dont you think you shouldve have done a lil more research before you started trying to build a motor, and claiming all these ridiculous hp numbers :bash: ---
**Author:** ![wrayzor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wrayzor/32/6021_2.png) [@wrayzor](https://forums.speedlife.net/u/wrayzor)\ **Post date:** [January 11, 2008, 5:50pm UTC](https://forums.speedlife.net/t/ls-vtec-build-question/194606/40 "2008-01-11T17:50:05Z")
> [@Watch Crew: What to buy?](https://forums.speedlife.net/t/watch-crew-what-to-buy/34295/73): > > Unless he already has your pistons he should not be boring/honing as the particular pistons you end up getting may have recommended piston-wall clearance specs that differ from what your bore sizing was honed to. Otherwise you may end up with pistons that are too small and have too much piston-wall gap (in which case you’ll need to get other pistons) or else not enough gap (in which case you will need to pay to have the cylinders rebored/honed). to add to steve’s comment, different pistons swell different when they heat up that’s why there may be different clearances for different types of pistons…like for examples my endyn pistons say that i need like .029-.03\* piston to wall clearnace even though oem specs say that .010-.030 is within spec and like steve said your machinist should be boring/honing your cylinders to fit your pistons not the other way around. > [@Well these fit alot better.....](https://forums.speedlife.net/t/well-these-fit-alot-better/34312/13): > > ummm not to be a dick here but dont you think you shouldve have done a lil more research before you started trying to build a motor, and claiming all these ridiculous hp numbers :bash: thats why here created a thread jackass so he can learn…ignore this ass bag ^^ [Previous page](https://forums.speedlife.net/t/ls-vtec-build-question/194606.md?page=1) [Next page](https://forums.speedlife.net/t/ls-vtec-build-question/194606.md?page=3)