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#41 peter mc

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Posted 01 October 2015 - 10:52 PM

I have cut aways and seen the size i can safely go. The head of os giken engine department spent a day with me showing all the tricks .

Edited by peter mc, 01 October 2015 - 10:54 PM.

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#42 peter mc

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Posted 02 October 2015 - 11:13 PM

Something to aim for .i was lucky enough to get a drive in this rocket all i can say is the sound was out of this world one sexy sound track

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#43 mossy

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Posted 03 October 2015 - 08:07 AM

It did sound awesome Pete, and going by the video you were quite excited  ;D



#44 peter mc

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Posted 03 October 2015 - 08:04 PM

Haha yes mossy i was having a great time .
I have a big job ahead of me getting this head to flow the air i want .but its there.i have the x section to get it to rev to 9000 on the 3.4L just need the itb to be 55mm and the pipes to go with it .

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#45 Gareth. J.

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Posted 03 October 2015 - 08:42 PM

Where is this video you speak of?



#46 gav240z

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Posted 03 October 2015 - 09:13 PM

I believe the video they are referring to is this.


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#47 Gareth. J.

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Posted 03 October 2015 - 09:23 PM

It did sound awesome Pete, and going by the video you were quite excited  ;D

Oh, I assumed it was a video with Pete driving or in the car.



#48 peter mc

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Posted 03 October 2015 - 10:13 PM

The video was of me in a hako at full nosie having a ball ..i will put it up soon i did get to drive all of the cars in that video even the toyota. What a cracker race car that is

Edited by peter mc, 03 October 2015 - 10:22 PM.


#49 peter mc

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Posted 04 October 2015 - 01:53 PM

Ports are looking very nice now its taking some time to get something that works on such a big engine. .

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#50 peter mc

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Posted 07 October 2015 - 07:49 PM

Lots getting done block prep work is well on the way . And ports are looking fantastic. Port flow is at 305 cfm through the intake. Steve at efi hardware is making a custom made set of itb for me .they are great to deal with .and clive cams are building a set of custom made billets for the new now very high flowing head ..its going to be very special

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#51 24TZ

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Posted 07 October 2015 - 09:56 PM

Loving the work Peter, keep the updates coming :)



#52 Gareth. J.

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Posted 08 October 2015 - 07:34 AM

No messing around here, your flying through it. What HP potential does 305cfm give you?

#53 peter mc

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Posted 08 October 2015 - 07:53 PM

305 cfm and the right x section for 8500 on the 3.35 makes 460hp ..thats crazy hp if i get to 450 its just going to blow my mind ..im loving the build ..lots of mods to the block oil feeds for exhaust cam .and water ways .its a bit of a challenge.

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#54 peter mc

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Posted 12 October 2015 - 06:49 PM

Getting there all ports done and flow tested average hp is 455 .very happy with the results its looking great .just need a bit of chamber work and then it can be waterjet blasted ..

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#55 Gordo

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Posted 12 October 2015 - 08:18 PM

Awsome work Peter. Over 40hrs of porting, how's the arms going. Need a rest.lol.

#56 peter mc

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Posted 12 October 2015 - 10:30 PM

Its killing me gordo porting is not my favorite thing . I know how its done but its so painful to do for me . Cnc is the go or les Collins . Only way to go

#57 peter mc

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Posted 13 October 2015 - 06:26 PM

Bit more progress today on the block all painted up .and concrete in. few weeks then of to get some bores done

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#58 peter mc

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Posted 17 October 2015 - 07:29 PM

So now all the ports are done i had steve at EFI hardware do a dummy tb to do some tests.steve made up a 55mm itb with a tapper down to 52mm .the aim of my test was to see how well the tb would perform on the os head would it drop much ..what bell and shape would flow best .and how much did the thratal shaft and blade hurt flow ..these tests are hard to work out some times and most times you walk away not knowing what to do .
But in this case i got a few good ideas on what the tb liked in the bell shape and which way the shaft needed to be set up.and how long the manifold wanted to be to flow the same hp as the head ..the last test of the day i removed the shaft and butterfly. To my surprise it only picked up 2 cfm 301cfm from 299cfm.all going well 445 to 450hp is on the cards at 8500

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#59 peter mc

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Posted 21 October 2015 - 06:00 PM

After much math and asking smarter people than myself 1.5mm had to come out from all the ports and 3mm from the inlet manifolds. 6 hours more .312 cfm 12mm lift honda port numbers

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#60 peter mc

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Posted 22 October 2015 - 06:06 PM

All chambers done off to les Collins racing now for the pipes to be made.let the master do his thing .

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