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Will it work?
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mark tucker
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PostPosted: Mon Jan 11, 2021 12:05 pm    Post subject: Re: Will it work? Reply with quote

do some head work to chambers and ports,ss valves.the pan of Cheetos heads aint a bad idea. get them cnc chambers for the cr you wish it to be.personaly I would go with a lower lift cam&1.34 rockers to save on guide & seat wear.
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madmike
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PostPosted: Mon Jan 11, 2021 4:41 am    Post subject: Re: Will it work? Reply with quote

Hey Lee, your gonna leave a lot of ponies on the bench using that 110 Wink
grab a fk8 and some 1:4's
I'm also in the middle of a 78 stroker build Cool but I opted for 92 thick walls Laughing
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allamaabroad
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PostPosted: Sun Jan 10, 2021 11:07 pm    Post subject: Re: Will it work? Reply with quote

buguy wrote:
allamaabroad wrote:
I'm building something very similar, 78.4 x 94, panchitos with CNC 68cc chambers, CB2288 (FK8), 1.4 rockers, TD04-13 turbo.

With stock heads cut to 94, at best you'll have 52cc chambers, which means runing a massive deck height (.105") to get yourself to a useable compression ratio for a turbo.

I would second getting panchitos, the optional 68cc chamber is perfect for this motor as it gives a compression ratio of 8.2-1 with a .040 deck. With B pistons and 5.5 rods you should be perfect.


That will be a killer engine your building. You will be giggling like a schoolgirl when you get into the meat of that boost!!


I should be starting a build thread later this week, just about done with all the dirty work of fabrication so then I can get everything final cleaned and put together...Just waiting on a box from CB any time now
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buguy
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PostPosted: Sun Jan 10, 2021 9:21 pm    Post subject: Re: Will it work? Reply with quote

Could be? I believe my original heads measured out to 56cc's but i don't remember for sure now.
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clonebug
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PostPosted: Sun Jan 10, 2021 9:20 pm    Post subject: Re: Will it work? Reply with quote

Run .100 deck......you have the parts already. That will put you right at 8.8:1...if you can get 52 cc chambers.

Make sure you have a good tune......10 lbs boost.....12.0:1 afr on boost, max of 130 degree IAT's at 20-22 Degrees advance would be a great starting point.
Use Water injection or an intercooler ...or both to keep intake temps down.

Cooler IAT's allow more advance.
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Last edited by clonebug on Sun Jan 10, 2021 9:22 pm; edited 1 time in total
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modok
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PostPosted: Sun Jan 10, 2021 9:20 pm    Post subject: Re: Will it work? Reply with quote

47 not including step
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Pruneman99
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PostPosted: Sun Jan 10, 2021 9:02 pm    Post subject: Re: Will it work? Reply with quote

buguy wrote:
Pruneman99 wrote:
I would guess you will have too high compression ratio with stock heads bored for 94's. Turbo will make the problem worse.


A quick check on the calculator shows 9:1 compression with a 53cc chamber,. 040" deck height, and a 94mm bore. Not bad. Make it .060" deck height and your down to 8.5:1 compression. That's not a terrible place for efi. Especially if you don't go nuts on the boost. Sure new heads would be better, but i wouldn't be afraid to run it like that on stockers for cheap money.


The head chart says 47cc chamber, but also a step. I don't know if the step was factored into the chamber volume, but I thought it was. The OP needs to verify what he actually has for chamber volume.
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buguy
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PostPosted: Sun Jan 10, 2021 8:56 pm    Post subject: Re: Will it work? Reply with quote

I agree. Build it, see what you like and what you dont, and move forward from there. It's a lot of work to go from nothing to efi and turbo. Add building an engine into the mix and you will be lucky to ever finish.
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PostPosted: Sun Jan 10, 2021 8:41 pm    Post subject: Re: Will it work? Reply with quote

Every cam is a turbo cam. Sloppy mechanics 101

Is this a maximum effort build to post huge dyno numbers for social media likes? No? Then build it, skip the porting, your turbo is your porting have fun being faster than 99.85% of NA bugs

VW engine builds crack me up. “Will this super specific set of parts do something magical a different combination of super specific parts won’t”
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clonebug
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PostPosted: Sun Jan 10, 2021 8:38 pm    Post subject: Re: Will it work? Reply with quote

buguy wrote:
clonebug wrote:
Mmmmmmm...turbo..... Cool Wink Very Happy


Aren't you knocking on 250hp's door with your 1679 with one of those "crappy" 110 cams?


No...it's the crappier 100 cam......with 1.38 rockers........the Travesty!!!!!!! Rolling Eyes Wink Cool
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richardcraineum wrote:
I'm so ignorant of efi I don't even know the difference between batch, sequential blah blah blah ..


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Audi TT intercooler
Upgraded to MS3Pro-Evo
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http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936
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buguy
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PostPosted: Sun Jan 10, 2021 8:24 pm    Post subject: Re: Will it work? Reply with quote

allamaabroad wrote:
I'm building something very similar, 78.4 x 94, panchitos with CNC 68cc chambers, CB2288 (FK8), 1.4 rockers, TD04-13 turbo.

With stock heads cut to 94, at best you'll have 52cc chambers, which means runing a massive deck height (.105") to get yourself to a useable compression ratio for a turbo.

I would second getting panchitos, the optional 68cc chamber is perfect for this motor as it gives a compression ratio of 8.2-1 with a .040 deck. With B pistons and 5.5 rods you should be perfect.


That will be a killer engine your building. You will be giggling like a schoolgirl when you get into the meat of that boost!!
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buguy
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PostPosted: Sun Jan 10, 2021 8:21 pm    Post subject: Re: Will it work? Reply with quote

Pruneman99 wrote:
I would guess you will have too high compression ratio with stock heads bored for 94's. Turbo will make the problem worse.


A quick check on the calculator shows 9:1 compression with a 53cc chamber,. 040" deck height, and a 94mm bore. Not bad. Make it .060" deck height and your down to 8.5:1 compression. That's not a terrible place for efi. Especially if you don't go nuts on the boost. Sure new heads would be better, but i wouldn't be afraid to run it like that on stockers for cheap money.
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buguy
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PostPosted: Sun Jan 10, 2021 8:14 pm    Post subject: Re: Will it work? Reply with quote

clonebug wrote:
Mmmmmmm...turbo..... Cool Wink Very Happy


Aren't you knocking on 250hp's door with your 1679 with one of those "crappy" 110 cams?
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evanfrucht
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PostPosted: Sun Jan 10, 2021 5:44 pm    Post subject: Re: Will it work? Reply with quote

Dan Ruddock keeps a Web Cam custom grind 86+5 to be used with 1.4 or 1.5 rockers. You might like that better, worth checking out at least. I'd change to cam with high 1.4+ ratio rockers if you are building it from scratch, it's better technology... so why not? At this point in time it would be very easy and inexpensive to change cams and get new rockers.

The 110 has a bad reputation generally. It's very "old school"
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allamaabroad
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PostPosted: Sun Jan 10, 2021 4:43 pm    Post subject: Re: Will it work? Reply with quote

I'm building something very similar, 78.4 x 94, panchitos with CNC 68cc chambers, CB2288 (FK8), 1.4 rockers, TD04-13 turbo.

With stock heads cut to 94, at best you'll have 52cc chambers, which means runing a massive deck height (.105") to get yourself to a useable compression ratio for a turbo.

I would second getting panchitos, the optional 68cc chamber is perfect for this motor as it gives a compression ratio of 8.2-1 with a .040 deck. With B pistons and 5.5 rods you should be perfect.
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clonebug
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PostPosted: Sun Jan 10, 2021 4:33 pm    Post subject: Re: Will it work? Reply with quote

Mmmmmmm...turbo..... Cool Wink Very Happy
_________________
richardcraineum wrote:
I'm so ignorant of efi I don't even know the difference between batch, sequential blah blah blah ..


cbeck wrote:
His user name in a previous life was dick head.


My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash


http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936
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leec
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PostPosted: Sun Jan 10, 2021 4:11 pm    Post subject: Re: Will it work? Reply with quote

I have a bit of a habit/addiction of buying high performance engine parts when they are at a good price. This enables me to trade up and purchase more expensive parts at a later date.

Didn't want to call it a sweep the floor motor as they are all nicely stored on racking rather than the floor

Thanks,
Lee
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BFB
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PostPosted: Sun Jan 10, 2021 4:04 pm    Post subject: Re: Will it work? Reply with quote

leec wrote:
Cool. Thank you all
What do you mean by a longer intake runner?

Lee


he said larger, not longer.
and how does one collect enough performance parts to build a " sweep the floor" ( thats what its called, right? i partied a little to hardy and im a little more stupid today than usual) engine and then ask if it a good combo? usually guys that have shit like that sitting around have a few builds.. just sayin, not really any point to what im saying, just thought it seemed odd.

also, as builds progressed for me i understood why the guys say there's better choices out there than the 110. ive got one in my boosted 2021 , idle is fine but does seem a little harsher on the valve train than other cams ive used ESPECIALLY with ratio rockers
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leec
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PostPosted: Sun Jan 10, 2021 3:54 pm    Post subject: Re: Will it work? Reply with quote

I already have the straight cuts. Also have them in my race car motor and I love them
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Glenn Premium Member
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PostPosted: Sun Jan 10, 2021 3:53 pm    Post subject: Re: Will it work? Reply with quote

Don't waste your money on straight cut gears. Someone gave you poor advice.
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