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| V6 Owners Group Discussion forum based on the Toyota V6 engine |
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#1 (permalink)
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Pig Snout
Join Date: Jul 2006
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Shim under/Shimless buckets for MZ/VZ possible?
Lifter, Valve
- 13751-74040 (under bucket) - Applications: 5SFNE - 13751-74020 (over bucket) - Applications: 4A/7AFE, 3S/5SFE (93+), 2JZGE/GTE, 1MZFE (excl. VVT-i), 3VZ/5VZFE, 2RZ/3RZFE, 2TZFE/FZE Shim - 13753-22xxx (depends on size) - Applications: 5SFNE, 1/2/3UZFE The part numbers between the two lifters are surprisingly close, and that usually means a revision of a similar part. I could test one on my 93+ 5SFE head or take my valve covers off and try on my 1MZ. They're $12 a piece at Partznet x 24 = $288 plus shims. Last edited by Jason.MZW20; 02-26-2007 at 02:21 PM.. |
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#2 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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Toyota has 3 different valvetrain setups
Small Bucket - Used in Pre 93 engines I4 and V6 Medium Bucket - Used in all Post 93 engines for I4's and V6's (depending on engine some start using the larger buckets in 91 (example the 3s-gte) Large Bucket - Only found on the 3.0L 3vz-E 4runner v6 The medium bucket engines will all interchange as well as the small bucket ones. You can find shimless buckets for the v6's from the I4 1zz-ge engine. They are the same ones that the 3s-gte guys use. |
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| The Following 2 Users Say Thank You to Weasy2k For This Useful Post: | Jason.MZW20 (02-27-2007), JMcDonald (03-26-2007) |
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#3 (permalink) |
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Pig Snout
Join Date: Jul 2006
Location: Victorville, CA
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The shimless buckets are nice. Which engines have automatic valve lash adjustment?
The same shimless buckets are used on the 1ZZ, 2AZ, 1GR, and probably other newer engines. Lifter, Valve 13751-46030, size dependent (5.06mm) Last edited by Jason.MZW20; 02-26-2007 at 02:19 PM.. |
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#4 (permalink) |
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What is an MR2?
Join Date: Mar 2005
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Just use the 1zz lifters and it will work with all v6's
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#5 (permalink) |
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Pig Snout
Join Date: Jul 2006
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The 1GR uses the same shimless buckets as the ZZ and AZ. Guess I wasn't paying attention to the part numbers in my EPC.
Last edited by Jason.MZW20; 02-26-2007 at 05:42 PM.. |
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#6 (permalink) |
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What is an MR2?
Join Date: Mar 2005
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the FSE's dont use either...its rocker
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#7 (permalink) |
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Eye'm the Str⑨ngest
Join Date: Aug 2005
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does the valvespring set come w/ shims?
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#8 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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what shims?
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#9 (permalink) |
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Pig Snout
Join Date: Jul 2006
Location: Victorville, CA
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#10 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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i think they all (GR) do
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#11 (permalink) | |
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Pig Snout
Join Date: Jul 2006
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Quote:
How come this isn't stickied somewhere? I feel much more educated now. Weasy, the 1GR still uses shimless buckets with conventional cams. It's the only GR to do so. The Toyota EPC illustrations confirm it. Perhaps in the future, Toyota will redesign the heads to mimic the other GRs (roller rockers, unique, rounded concave cam lobes for increased valve lift, and dual VVT-i) for a good performance gain to extend the life of the engine. |
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#12 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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I had a feeling they still did.
I have yet to do some full out research on those engines. I am mastering the VZ/MZ right now ![]() |
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#13 (permalink) |
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Talentless Researcher
Join Date: Sep 2006
Location: Liverpool, England.
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Weasy, is this correct that shimless buckets from the 1zz-ge engine do not work with your cams?
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#14 (permalink) |
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What is an MR2?
Join Date: Mar 2005
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they will for you! If you buy the valves that match the cam material removal then you are back to stock levels
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#15 (permalink) |
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Talentless Researcher
Join Date: Sep 2006
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Can you see that it will?
![]() I can then go shimless bucket! Wooohoooo |
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#16 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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thats if you wait out the valves...its like everyone around here is still on vacation....waiting waiting waiting...
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#17 (permalink) |
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Talentless Researcher
Join Date: Sep 2006
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Happy to wait for a job done properly
![]() I might just get the bottom end built first then, and then have the headwork done a month or so later ... we'll see how timescales go! |
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#18 (permalink) |
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Pig Snout
Join Date: Jul 2006
Location: Victorville, CA
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Here are the part numbers and sizes for the shimless buckets:
13751-46030 5.06 mm 13751-46040 5.08 13751-46050 5.10 13751-46060 5.12 13751-46070 5.14 13751-46080 5.16 13751-46090 5.18 13751-46100 5.20 13751-46110 5.22 13751-46120 5.24 13751-46130 5.26 13751-46140 5.28 13751-46150 5.30 13751-46160 5.32 13751-46170 5.34 13751-46180 5.36 13751-46190 5.38 13751-46200 5.40 13751-46210 5.42 13751-46220 5.44 13751-46230 5.46 13751-46240 5.48 13751-46250 5.50 13751-46260 5.52 13751-46270 5.54 13751-46280 5.56 13751-46290 5.58 13751-46300 5.60 13751-46310 5.62 13751-46320 5.64 13751-46330 5.66 13751-46340 5.68 13751-46350 5.70 13751-46360 5.72 13751-46370 5.74 Last edited by Jason.MZW20; 03-01-2007 at 10:14 PM.. Reason: Part numbers and sizes |
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#19 (permalink) |
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Talentless Researcher
Join Date: Sep 2006
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#20 (permalink) |
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What is an MR2?
Join Date: Mar 2005
Location: Vancouver, BC
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Good work man
![]() Johnny yea i agree if thats what it will take...ugh its annoying... |
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LinkBack to this Thread: http://www.mr2.com/forums/v6-owners-group/Toyota-MR2-14346-shim-under-shimless-buckets-mz-vz-possible.html
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| Toyota MR2 Message Board | This thread | Refback | 08-15-2007 12:44 AM | |