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what internals you running in your E series boosted falcons 

 

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Posted: Sun Dec 28, 2008 4:41 pm 
Getting Side Ways
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yeh those measurements that xflow has put up are wrong, the intech and e series engine have the same bore and stroke as the ba-bf engine.

 

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Posted: Sun Dec 28, 2008 8:35 pm 
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balizticbobo wrote:
Xflow wrote:
so you are able to use ba rods and pistons???? i just didn't think they worked out cause the stroke on ba was 99.31mm and before series was a 96.31mm stroke.
here ACL SPEC'S

Engine: 4.0L EF-EL SOHC 12v
Capacity: 3984cc
Cylinders: 6
Bore Size: 92mm/3.62in
Stroke: 96.31mm/3.79in

Engine: 4.0L Intech SOHC 12v
Capacity: 3984cc
Cylinders: 6
Bore Size: 92.26mm3.632/in
Stroke: 96.31mm3.791/in

Engine: 4.0L BA Turbo Barra 240T 24v EFI
Capacity: 3984cc
Cylinders: 6
Bore Size: 92.26mm/3.63in
Stroke: 99.31mm/3.91in

see how ba different

do you machine a few mm off the top of the piston intill it don't over hang the block surface???? and if you go that do you cut out new valve slots so the valves don't make contact with the pistons tops or they clear without contact?

i know the big ends are same and bearing are the same ones.
thx jason


It looks as though you have a spelling mistake there!
Stroke changes, but swept engine capacity has not...??? WTF?
How does this work...
Stroke Hasn't changed since the crossflow days of 99.31mm....



was about to say the same thing.

the assembled length of the BA/BF rod and piston, when installed in an e serries block puts the piston about 17thou down at TDC.

to use a barra turbo piston you have to have valve reliefs machined in the right spot

 

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Posted: Mon Dec 29, 2008 12:01 am 
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Sfa valve notch with low comp pistons...
The AU engine has the same rod length as BA engine.. Its just the pin size thats different..

 

 

Attachments:
AU CP pistons spool rods 001 (Medium).jpg
AU CP pistons spool rods 001 (Medium).jpg [ 67.83 KiB | Viewed 888 times ]

 

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Posted: Mon Dec 29, 2008 3:40 am 
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hey ebxr8 what are those pistons worth?

 

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Posted: Mon Dec 29, 2008 4:17 am 
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$1550 I have built a few engines with these pistons... My Dart 330 has them, an MX6 we built and now a 1UZ 4.0 V8 Lexus.. Rings come with them so it leaves NO worries over which rings to get!!
Chrome Molly is a no no with forced motors apparently!!!

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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Posted: Mon Dec 29, 2008 6:58 pm 
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EBXR8380 wrote:
$1550 I have built a few engines with these pistons... My Dart 330 has them, an MX6 we built and now a 1UZ 4.0 V8 Lexus.. Rings come with them so it leaves NO worries over which rings to get!!
Chrome Molly is a no no with forced motors apparently!!!





have you cc'd an AU head or the AU piston?

 

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Posted: Wed Dec 31, 2008 11:31 pm 
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tickford_6 wrote:
EBXR8380 wrote:
$1550 I have built a few engines with these pistons... My Dart 330 has them, an MX6 we built and now a 1UZ 4.0 V8 Lexus.. Rings come with them so it leaves NO worries over which rings to get!!
Chrome Molly is a no no with forced motors apparently!!!





have you cc'd an AU head or the AU piston?

Yes.. We have two spare engines..
We worked it out to be 8.5 compression..
Too close to new years for exact CC...

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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