# Shreks boosted GSR Build

**URL:** <https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325>\
**Category:** Builds\
**Created:** [July 13, 2007, 1:01pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325 "2007-07-13T13:01:27Z")\
**Posts on this page:** 20\
**Page:** 23

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**Author:** ![articzap](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/articzap/32/7361_2.png) [@articzap](https://forums.speedlife.net/u/articzap)\
**Post date:** [September 25, 2008, 6:23pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/441 "2008-09-25T18:23:19Z")

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Damn I suck at typing.

That small bench will fill up fast with parts.

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**Author:** ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)\
**Post date:** [September 25, 2008, 6:44pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/442 "2008-09-25T18:44:27Z")

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> [@justa4door](#):
>
> well bill wiil drink so much beer … …shoot me a text when your thinking and ill ask bill and my wife

true, whenever bill comes to parties he likes to drink all of the beer, hes a real asshole like that

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 1, 2008, 8:22pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/443 "2008-10-01T20:22:37Z")

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![http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0008-3.jpg?t=1222915962](http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0008-3.jpg?t=1222915962)

![http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0009-3.jpg?t=1222916103](http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0009-3.jpg?t=1222916103)

Picked up a B16 head the other night from Rochester. I had bought this ITR intake manifold a while ago for my next project. It’s sorta cool to compare them side by side.

I pretty much know Ill need a new head, so I will start getting this ready to go with new value springs (ITR spec).  
 ![http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0001-5.jpg?t=1222917555](http://i197.photobucket.com/albums/aa271/shrekb18/CIMG0001-5.jpg?t=1222917555)  
New seals ready to go!

I really need to get on my for sale thread. I’m running out of room

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 4, 2008, 5:10pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/444 "2008-10-04T17:10:41Z")

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Started at 11am today. Thanks to b18tegra we got this split and out buy 3 with a hr lunch break! Thanks buddy!

Block looks to be ok. Head - not so good.

![http://i197.photobucket.com/albums/aa271/shrekb18/11am.jpg?t=1223164273](http://i197.photobucket.com/albums/aa271/shrekb18/11am.jpg?t=1223164273)

![http://i197.photobucket.com/albums/aa271/shrekb18/11am2.jpg?t=1223164333](http://i197.photobucket.com/albums/aa271/shrekb18/11am2.jpg?t=1223164333)

![http://i197.photobucket.com/albums/aa271/shrekb18/1130.jpg?t=1223164379](http://i197.photobucket.com/albums/aa271/shrekb18/1130.jpg?t=1223164379)

![http://i197.photobucket.com/albums/aa271/shrekb18/1230.jpg?t=1223164434](http://i197.photobucket.com/albums/aa271/shrekb18/1230.jpg?t=1223164434)

![http://i197.photobucket.com/albums/aa271/shrekb18/val.jpg?t=1223164889](http://i197.photobucket.com/albums/aa271/shrekb18/val.jpg?t=1223164889)

![http://i197.photobucket.com/albums/aa271/shrekb18/head.jpg?t=1223164526](http://i197.photobucket.com/albums/aa271/shrekb18/head.jpg?t=1223164526)

![http://i197.photobucket.com/albums/aa271/shrekb18/val2.jpg?t=1223164995](http://i197.photobucket.com/albums/aa271/shrekb18/val2.jpg?t=1223164995)

![http://i197.photobucket.com/albums/aa271/shrekb18/val3.jpg?t=1223164618](http://i197.photobucket.com/albums/aa271/shrekb18/val3.jpg?t=1223164618)

![http://i197.photobucket.com/albums/aa271/shrekb18/2pm.jpg?t=1223164671](http://i197.photobucket.com/albums/aa271/shrekb18/2pm.jpg?t=1223164671)

![http://i197.photobucket.com/albums/aa271/shrekb18/2pm1.jpg?t=1223164713](http://i197.photobucket.com/albums/aa271/shrekb18/2pm1.jpg?t=1223164713)

Yup…

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**Author:** ![87GN](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/87gn/32/5193_2.png) [@87GN](https://forums.speedlife.net/u/87GN)\
**Post date:** [October 4, 2008, 6:38pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/445 "2008-10-04T18:38:58Z")

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Thats real shitty what happened to the engine, sorry to hear. You are a better man than me, I probably would’ve given up and let it sit for a real long time. Hope you get everything worked out :tup:

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 6, 2008, 7:46am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/446 "2008-10-06T07:46:48Z")

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I finished stripping the block down to the rotating assembly. The cylinder walls really don’t look bad, didn’t see or feel any huge gashes. I also striped the head of everything except for the valve springs. Then I stripped the replacement B16 head down and Im dropping both heads and the block off today after work. Im hoping the block, crank and rods are fine to be reused. I will have the shop give the new head a vale job and replace the seals and swap over the springs. Once they tell me everything is ok I will order pistons and move forward. Im not sure if this was simple part failure or if it was part failure due from excessive heat.

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**Author:** ![justa4door](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/justa4door/32/7259_2.png) [@justa4door](https://forums.speedlife.net/u/justa4door)\
**Post date:** [October 6, 2008, 8:01am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/447 "2008-10-06T08:01:52Z")

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huh… well you have like 6 months to get it going

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**Author:** ![Oasis24-7](https://avatars.discourse-cdn.com/v4/letter/o/c89c15/32.png) [@Oasis24-7](https://forums.speedlife.net/u/Oasis24-7)\
**Post date:** [October 6, 2008, 9:18am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/448 "2008-10-06T09:18:04Z")

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what are yoy doing with the old head?

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 6, 2008, 10:01am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/449 "2008-10-06T10:01:55Z")

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> [@Oasis24-7](#):
>
> what are yoy doing with the old head?

Its for sale

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**Author:** ![WGFletch](https://avatars.discourse-cdn.com/v4/letter/w/3ec8ea/32.png) [@WGFletch](https://forums.speedlife.net/u/WGFletch)\
**Post date:** [October 6, 2008, 10:36am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/450 "2008-10-06T10:36:43Z")

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thats some good looking head

ur cars a beast to i had no idea haha looking good tho build that head and slap it on there

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**Author:** ![Oasis24-7](https://avatars.discourse-cdn.com/v4/letter/o/c89c15/32.png) [@Oasis24-7](https://forums.speedlife.net/u/Oasis24-7)\
**Post date:** [October 6, 2008, 12:54pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/451 "2008-10-06T12:54:23Z")

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pm me how much

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 6, 2008, 1:28pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/452 "2008-10-06T13:28:37Z")

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> [@WGFletch](#):
>
> thats some good looking head
> 
> ur cars a beast to i had no idea haha looking good tho build that head and slap it on there

Yea thanks! And thanks for the killer deal!

> [@Oasis24-7](#):
>
> pm me how much

Make me an offer. I need cash!

Can some one confirm this for me?

By taking the intake inner and outer springs from a GSR and moving them to the exhaust side, then buying ITR intake springs I will have a full ITR spec valve train right?

This is what I did. I bought 8 inner 14751-P73-J02 and 8 outer 14761-P73-J02 for a ITR and had them installed in the intake side of my GSR. Then I had the springs that were there moved to the exhaust side.

Im trying to figure what went wrong still. Did I over rev the limit of my valve springs? Or was it from leaning out or both. Note: the exhaust side is what gave…

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**Author:** ![Toda\_Party](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/toda_party/32/7354_2.png) [@Toda\_Party](https://forums.speedlife.net/u/Toda_Party)\
**Post date:** [October 6, 2008, 7:47pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/453 "2008-10-06T19:47:04Z")

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dropped valve for the lose

I’m 90% sure about the GSR inner -\> ITR Outer, but its been a while. Portflow used to sell stiffened inner springs, not sure if they do anymore, but thats what I did with mine…ITR outers w/ portflow inners.

What were u revving it out to? Even with a full gsr valvetrain you should’ve been allright to 8.5k…I’ve seen people rev em out to 9k, but who knows.

Post it up on the FI forum on honda-tech and see what ppl have to say. You hardly ever see anyone drop a valve running ITR/CTR cams.

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**Author:** ![justa4door](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/justa4door/32/7259_2.png) [@justa4door](https://forums.speedlife.net/u/justa4door)\
**Post date:** [October 7, 2008, 4:23am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/454 "2008-10-07T04:23:40Z")

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i know turbociv with his vtec went to 9k or 10k ish

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 7, 2008, 5:13am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/455 "2008-10-07T05:13:43Z")

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9100 - Im looking at replacing the valves and springs.

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**Author:** ![Toda\_Party](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/toda_party/32/7354_2.png) [@Toda\_Party](https://forums.speedlife.net/u/Toda_Party)\
**Post date:** [October 7, 2008, 9:24pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/456 "2008-10-07T21:24:13Z")

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you don’t really need to replace valves…well you do on that head lol…but stock ITR valves should be fine. If not you have plenty of choices…omni, skunk, portflow, supertech, blah blah

I’m personally biased to portflow or supertech…just get the springs of the same manufacturer. there was also talk back in the day about ti retainers wearing prematurely and causing failures, but i believe they all started using higher grade Titanium so it shouldn’t be an issue anymore…still double check before u buy tho

[http://portflow.com/product.htm](http://portflow.com/product.htm)

on my motor i have .5mm oversized manley valves, but i got a sweet deal from dan from oddy’s, who apparently doesnt work there anymore.

and yeah 9,100 on stock gsr valvetrain = iffy

why’d u rev it out so high? ctr/itr cams stop making power after 8500 anyway

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**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\
**Post date:** [October 8, 2008, 6:49am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/457 "2008-10-08T06:49:54Z")

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I was running ITR intake springs in the intake side and GSR intake springs in the exhaust side. I thought ITR red line was 9100? Well again my bad for not getting to the dyno and actually finding out where the power stopped. Im going about a few things differently this time around. I think I’m starting to get it…lol

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**Author:** ![Inn-Tune](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/inn-tune/32/7588_2.png) [@Inn-Tune](https://forums.speedlife.net/u/Inn-Tune)\
**Post date:** [October 8, 2008, 7:53am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/458 "2008-10-08T07:53:31Z")

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Yup that’s too high for stock gsr valve springs on the exhaust side in a boosted application. Remember that Donovan was NA. It’s a lot easier to control a valve when the cylinder pressure is dramatically lower.

Is there pitting on the domes of the other pistons? If so, swapping the turbo without a retune played a significant role in the failure too.

If I could see the valve seats that would help the diagnosis too, but they can be hard to diagnose from pictures.

Supertech stuff would be fine for what you’re doing. I’d go with their dual springs and ti retainers plus .5mm oversized valves. Inconel on the exhaust side is only a few dollars extra if you want some extra insurance. They’ll take more than black nitrided stainless, but not as much as Ferrea superalloy. If you’re planning on running around 20 psi or less the standard Supertechs are fine. Just make sure all the stems get checked on whichever valves you decide on using.

PMd some pricing.

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**Author:** ![Toda\_Party](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/toda_party/32/7354_2.png) [@Toda\_Party](https://forums.speedlife.net/u/Toda_Party)\
**Post date:** [October 8, 2008, 4:01pm UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/459 "2008-10-08T16:01:52Z")

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> [@Shrek](#):
>
> I was running ITR intake springs in the intake side and GSR intake springs in the exhaust side. I thought ITR red line was 9100? Well again my bad for not getting to the dyno and actually finding out where the power stopped. Im going about a few things differently this time around. I think I’m starting to get it…lol

peak tq 7500  
peak hp 8000

stock itr redline 8,400, fuel cut 8,600

☹

35R @ 15psi on my 10:1 83mm… still makes hp to 8500 or so but u can see the tq just dies off after 8k

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**Author:** ![turbominime4door](https://avatars.discourse-cdn.com/v4/letter/t/bbe5ce/32.png) [@turbominime4door](https://forums.speedlife.net/u/turbominime4door)\
**Post date:** [October 9, 2008, 5:14am UTC](https://forums.speedlife.net/t/shreks-boosted-gsr-build/32325/460 "2008-10-09T05:14:51Z")

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if ya need help doing anything im also in olean and i happen to know a awesome head guy that will hook ya up call or text me 716 353-6209.I have a turbo ek 4 door

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