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CMS 4.8 ltr i6 

 

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Posted: Sun Mar 16, 2008 1:56 pm 
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pkr wrote:
Dont know if anyone has mentioned using a 300 canadian 6 crank.
I knew of a guy back approx 20 years ago who built a TE cortina 4.1 crossflow and had fitted one of these cranks into it.

I had never been in it but one of my friends said he had and apparently this thing turned the tyre in all 4 gears.


because even IF the bore spacing is the same and journals are in the right places, the 300cui engines have a taller deck hight. to run that much strock in our short deck engines you'd have to use a very short rod. and we all know the the stock rod is already marginal in the respect.
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 Post subject: 4.8 stroker
Posted: Sun Mar 16, 2008 3:39 pm 
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ok.......... I know theres a few guy's out there waiting for some info on whats going on.....No 1 been running around for aprox 1..1/2 months now & its running my stage 2 head & cam as well..... well f**k me has it got some torque or what & the induction noise sounds like its running a 750 holley nice & throughty, but 2 weeks ago we encounted a head gasket problem, as these head gaskets are specialy hand made for me by a leading gasket manufaturer, we found that the sealing around the combustion chamber wasn't enough crush so we had exhaust gasses showing up in the cooling system...So another head gasket was re-done, fitted & running around again so far so good, the other motor I'm sorceing out head studs & main studs plus I have access to a cnc machine where I'm going to make my own I6 main cap girdles.....Now I know theres been a topic on giddles & studs, & to be ohnest I dont really give a s**t about who can get them & I know a mate thats good in with someone, this is something that I want to do & if they work out to be cheap enough I sell them if not I'll just make them for my forced induction rebuilds.
& yes I will be selling them as a short or a long motor there will also be warranty on these motors with conditions......Again as much as theres guys out there ready to buy the testing process is crutial in ensuring a proven reliable product....after all thats what your paying for ???

thanks Bill, I apeciate your support & your faith in my gear but Wade has been around & making cams alot longer than what I have plus there a great bunch of guys as well & I will never knock someone with a good product & bascily as I've always said, '' let the product sell its self ''.

prices on hold untill I'm sure about the gasket.... sorry guys

thanks

Joe
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Posted: Sun Mar 16, 2008 4:44 pm 
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are you going to let us know what the bore size is? or do we have to buy a short engine to find out? i'm not asking for specifics as to what what the actual pistons and rods are. just the bore size? it's obviously large
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Posted: Sun Mar 16, 2008 7:25 pm 
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Ride: ef xr8

Power: 229 rwkw

Location: Perth
WA, Australia

Progress is good, cant wait to see a few final figures.

 

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Now N/A (permanent Lag) - AFR 165's, Comp XE270 cam, 1.6 RR - 269 rwhp 14.1 @ 102mph.

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Posted: Mon Mar 17, 2008 9:11 am 
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tickford_6 wrote:
are you going to let us know what the bore size is? or do we have to buy a short engine to find out? i'm not asking for specifics as to what what the actual pistons and rods are. just the bore size? it's obviously large


Nope, & yep its a big hole....... lol lol

Joe
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Posted: Sat Mar 22, 2008 11:37 pm 
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Ride: BFII Turbo

Power: 253 rwkw

Location: Waurn Ponds
VIC, Australia

how big can the valves go on this engine joe when they are deshrouded keeping in mind the larger bore size? was reading some interesting article peices about how valve sizes are the main factor to increasing torque as opposed to bore/stroke combos which roughly determine where the torque is (amongst other mitigating factors). will this engine be utilising maximum valve sizes, or if not will there be provision to upgrade the valves to the maximum the bore size allows?

also another little one, how do you combat compresion pressure drop when you install a larger cam? Is it a timing thing? and can a program like a Flash tuner adjust that sort of thing? would flash tuning the engine after the cam is dialed in make much of a difference?

Cant wait for this motor, I would love to see how it would go with just the bore size increase and standard stroke packaged with the CMS head and cam.

 

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Posted: Thu Mar 27, 2008 10:26 pm 
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tickford_6 wrote:
pkr wrote:
Dont know if anyone has mentioned using a 300 canadian 6 crank.
I knew of a guy back approx 20 years ago who built a TE cortina 4.1 crossflow and had fitted one of these cranks into it.

I had never been in it but one of my friends said he had and apparently this thing turned the tyre in all 4 gears.


because even IF the bore spacing is the same and journals are in the right places, the 300cui engines have a taller deck hight. to run that much strock in our short deck engines you'd have to use a very short rod. and we all know the the stock rod is already marginal in the respect.


how much taller? i wondered the same thing about using crank offsets and filling making the stroke longer. if the pistons stuck out of the block slightly without exposing the ring seats it might be possible to use a thin metal plate milled to the same pattern as a the block?. kinda like a "block extension" maybe even use locating pins, then a metal gasket at each end to seal it.

head studs would probably be needed for the extra block height and compression but im not too sure about the chain length.

 

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 Post subject: 4.8i6
Posted: Fri Mar 28, 2008 4:39 pm 
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boys !!!! shes comming in for a dyno runn in another week !!!! have a reply back from the guys that made the head gasket & they f**k up good news for me at least theres no dramas with the stroker combo ........

I can go as bigg as running L34 valves in these heads if needed which is what I advertise in the stage 5 heads...... with comp this one is running just under 10:5:1 again only running my stage 2 head & cam combo

as far as the heads go IMO the stage 4 head will be more than enough when I flowed the 4 compaird to the 5 we made bugger all difference @ .550 lift but the stage 5, I definatly recomend as for forced induction only......

thanks

Joe
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Posted: Fri Mar 28, 2008 5:03 pm 
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I would love to get a whold of a Pre AU 4L 4.8 motor and replace the 3.9 would be awesome so how is the availabilty coming along...

 

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Posted: Fri Mar 28, 2008 5:06 pm 
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woo ill in a weeks time mr Joe.

i wanna see this beast run!

 

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Posted: Fri Mar 28, 2008 5:21 pm 
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this is good news, can you rebuild the 3.9 block to the 4.8 litre?. thanks for the update :)

 

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 Post subject: Re: 4.8i6
Posted: Fri Mar 28, 2008 5:42 pm 
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Location: glenwood/sydney
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AUXR8 2 wrote:
boys !!!! shes comming in for a dyno runn in another week !!!! have a reply back from the guys that made the head gasket & they f**k up good news for me at least theres no dramas with the stroker combo ........

I can go as bigg as running L34 valves in these heads if needed which is what I advertise in the stage 5 heads...... with comp this one is running just under 10:5:1 again only running my stage 2 head & cam combo

as far as the heads go IMO the stage 4 head will be more than enough when I flowed the 4 compaird to the 5 we made bugger all difference @ .550 lift but the stage 5, I definatly recomend as for forced induction only......

thanks

Joe
WHOA! great news joe! any particluar day set? should be able to pull a decent crowd at cms on the day of dyno'ing... should fire up the bbq too... :idea:
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Posted: Fri Mar 28, 2008 8:40 pm 
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yer i will bring the NO ITS NOT 70kw EB lol give ya a run lol (walk) for ya money. hahahaha

 

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 Post subject: Re: 4.8i6
Posted: Fri Mar 28, 2008 11:28 pm 
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fordfreak ef wrote:
AUXR8 2 wrote:
boys !!!! shes comming in for a dyno runn in another week !!!! have a reply back from the guys that made the head gasket & they f**k up good news for me at least theres no dramas with the stroker combo ........

I can go as bigg as running L34 valves in these heads if needed which is what I advertise in the stage 5 heads...... with comp this one is running just under 10:5:1 again only running my stage 2 head & cam combo

as far as the heads go IMO the stage 4 head will be more than enough when I flowed the 4 compaird to the 5 we made bugger all difference @ .550 lift but the stage 5, I definatly recomend as for forced induction only......

thanks

Joe
WHOA! great news joe! any particluar day set? should be able to pull a decent crowd at cms on the day of dyno'ing... should fire up the bbq too... :idea:


yeah sure ill fly to sydney for that................

 

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 Post subject: Re: 4.8i6
Posted: Fri Mar 28, 2008 11:33 pm 
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fourL6 wrote:
fordfreak ef wrote:
AUXR8 2 wrote:
boys !!!! shes comming in for a dyno runn in another week !!!! have a reply back from the guys that made the head gasket & they f**k up good news for me at least theres no dramas with the stroker combo ........

I can go as bigg as running L34 valves in these heads if needed which is what I advertise in the stage 5 heads...... with comp this one is running just under 10:5:1 again only running my stage 2 head & cam combo

as far as the heads go IMO the stage 4 head will be more than enough when I flowed the 4 compaird to the 5 we made bugger all difference @ .550 lift but the stage 5, I definatly recomend as for forced induction only......

thanks

Joe
WHOA! great news joe! any particluar day set? should be able to pull a decent crowd at cms on the day of dyno'ing... should fire up the bbq too... :idea:


yeah sure ill fly to sydney for that................


Road trip anyone?

phong =P~

 

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