OST-071: For an AE71 - Largeport for a liftback
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01-25-2021, 12:49 AM
Post: #1
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OST-071: For an AE71 - Largeport for a liftback
I was contacted during mid summer by this client. I had just begun OST-070, and he wanted OST-071 for his AE71.
![]() As you can see, it currently has a clean 4AC engine in it...... ![]() But he wants a bit more......... ![]() More to come...... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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01-25-2021, 10:18 PM
Post: #2
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OST-071: For an AE71 - Largeport for a liftback
The owner of the AE71 has a set of Hoshino Impul rims, a set of SSR Mk I rims, a set of CibiƩ fog lights and now OST-071! So he definitely has good taste!
![]() 1982 - TA60 Carina 4dr sedan - fun cruiser 1983 - AE86 Sprinter Trueno - import project 2013 - Honda Civic sport - daily driver 2004 - AEU86 dot ORG - daily domain Support our forum, buy from the AEU86 shop: ![]() |
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01-26-2021, 08:53 PM
Post: #3
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OST-071: For an AE71 - Largeport for a liftback
(01-25-2021 10:18 PM)banpei Wrote: The owner of the AE71 has a set of Hoshino Impul rims, a set of SSR Mk I rims, a set of CibiƩ fog lights and now OST-071! So he definitely has good taste! ![]() So... the first order of business is to acquire a 4AGE - not so easy anymore, this one took about 2 months for my client to find. ![]() It is an early 1989 (10/1988 built) 4AGE (vin number tag on engine traced using toyodiy) that was originally delivered to Canada. I got the engine on a stand..... ![]() ![]() ![]() and began dismantling the engine..... As more of my clients are wanting complete engines, this tool is quite handy, jaws are a good fit ![]() Head gets pulled..... damn.... not good news EVERY ONE of the cams journals is seriously damaged...... ![]() ![]() ![]() How bad...???? ![]() While this can be repaired - the time and effort is more then finding, and paying for another head. Another head is found, and it is in very nice condition. ![]() and un-machined....... ![]() more to come...... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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01-27-2021, 07:20 PM
Post: #4
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OST-071: For an AE71 - Largeport for a liftback
from another forum Wrote:clean car from another forum Wrote:Flywheel is from a FWD or MR2. Will need a new one for a RWD, the water plumping will also have to be changed or modified. Same here on the distributor cap, I've never seen one like that? ![]() Dist cap is fwd for use in the AE92. Flywheel is from a Blacktop, and it does work in rwd, I have the same flywheel in Surreptitious - it is around 13#s, so 2-3#s lighter then any other stock flywheel. I think its a score.... I'm hoping ( ![]() So first things first.... get it all cleaned. The head....... ![]() and the block.... note already bored, and honed.... ![]() ![]() getting the block taped up... ![]() as with a number of builds.... this one also gets the metal blackening epoxy coating ![]() By the way..... did you see the repair? more to come....... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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02-03-2021, 08:04 PM
Post: #5
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OST-071: For an AE71 - Largeport for a liftback
(01-27-2021 07:20 PM)oldeskewltoy Wrote: By the way..... did you see the repair? upper water pump mounting point - you can see the heat applied, and the repair inside. ![]() So while the block cures... Head work commences... beginning with a deburr ![]() And a bit closer..... ![]() this piece broke off with very little pressure, it could have ended up swallowed....... ![]() more to come..... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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02-10-2021, 07:18 PM
Post: #6
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OST-071: For an AE71 - Largeport for a liftback
Port work begins....
![]() One down.... ![]() further progress.... 3 down ![]() and 3 down on the intake side.... ![]() Makin' chunks....... a bit closer view of working an exhaust bowl.... ![]() more to come....... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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02-19-2021, 11:12 PM
(This post was last modified: 02-19-2021 11:17 PM by oldeskewltoy.)
Post: #7
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OST-071: For an AE71 - Largeport for a liftback
After finishing the porting, the head goes back to the shop for a fresh 3 angle, and of course back cut on the intake valves.
![]() A unique opportunity... 2 heads, side by side, OST-073 on top before work begins, and OST-071 on the bottom showing all the port work and its fresh 3 angle ![]() With the valve job complete, it is time to measure chamber volumes. Head is propped up allowing me to get an accurate measure ![]() and the results......... ![]() more to come....... ![]() Dan - You can | ![]() OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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