Bottom End Complete | 800hp 4age Build part 5
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- Опубликовано: 27 дек 2024
- In this video Mat finally gets this bottom end assembled, see what it takes to build a 4age that's capable of withstanding 800hp.
Let us know what you think in the comments.
Thanks for taking the time to make these videos. I learn a lot from you guys
I've been waiting for this video to come out! I'm the happiest man alive!
I feel pretty happy, i found this video series a couple days ago so i havent had to wait years between episodes
Some other people have had to wait and I apologise for that but life got in the way but we have big things happening this year and are back in the content swing now I think
Matt I think when people say it will burn oil from too much lube on the pistons, they mean it won’t run in properly. GM use to 90% of run in happens in the first 1000 rpm and oiling the piston ring will prevent that. Interesting that you find thats not the case.
Great video once again. Looking forward to more of all the little tricks that a master picks up along the way.
800HP is a big number.. keen
Awesome wow 800 HP
Curious as to why Matt has chosen to not use ladder caps or a crank girdle?
I haven't found the limit of factory caps when addressing the reason they break, harmonics, I have built an ATI harmonic damper that stops alot of engine breakages due to harmonics we can probably cover this is a tech video
@@mtperformanceengines3508 yeah please do a video on it legend, that'd be awesome
Good stuff team
Very nice 👍
Hey Matt, do you run main bearings with grooves on both Halfs?
So wait- Is this a turbo 20v that youll be spinning to 11k?
Correct
@@mtperformanceengines3508 Thats fricken wicked man i cant wait to see that.
Would this be Matt from these videos by any chance?
@SidewaysGts yep that's me 😁 like I say in the videos I read all the comments and reply if there is a relevant question we love the feedback good or bad
@@mtperformanceengines3508 Been watching you guys for awhile now- Can not wait to see that thing in action.
A naturally aspirated 20v going to 11k is the "dream" engine for me- Seeing it done with booth will be interesting to say the least. I know you have this video showing you build such an engine- But would love a video one day talking about what it actually *"takes"* to get a 4age (16v or 20v) to be able to actually spin to 11k without grenading.
@SidewaysGts my current motor in the car now revs to 9250rpm hard cut and 9000rpm it starts to cut and does it with ease I can show data logs to prove it lol, we ran the car at the drags last week and I have logs to show but the video shows some stuff so stay tuned, I will let this motor eat 10,000 in top gear so I don't bash the limiter before the finish line but for 1st,2nd and 3rd it will be 9000
Appreciate the videos guys. So this is the strengthened block, but i didnt notice mrp main cap plates or crank girdle? Is the block cemented?
800hp is possible from a 4age, it is just a question of how many passes/pulls it will last. My understanding is you are going to use a 20v head with Kelford 194B cams (270deg @ 0.1mm and 8.95mm lift), rev it to 10k rpm plus and use a wet sump? Not enough lift and duration for your hp goal. Wet sump will also cost you power due to windage and your bearings won't last long due to oil foaming/aeration. Have you chosen a turbo yet?
I have a precision 6870 but considering something different when it comes time, you will see some of the things I have done to correct the oiling issues in the next video 😉
@MotoWot Isn't the amount boost and flow the limiting factor when it comes turbo engines and not so much the cam duration? I would have thought that having a dry sump with external oil reservoir would have eliminated oil foaming and windage losses because there is no oil in the sump?
@@mtperformanceengines3508Will you be running an oil restrictor in the block's oil feed to the head?
@88RSI no I won't be running a restrictor
But I will be running an external pressure relief system returning to the sump pan directly to the pickup and I run a rear head drain
@@88RSI You can compensate for inadequate head flow (up to a point) by running more boost. The 20v head restricts head flow (limited cam lift and duration compared to 16v) and also puts a limit on boost due to lack of valve spring pressure. mt said he is working on a spring for the 20v but I doubt it will match what a 16v can do with off the shelf springs. Even if you could get a 20v with the same lift and duration as a 16v, I doubt it would flow as much, due to flow impingement. Because the 3 inlet valves are very close together, as air enters the cylinder the flow from one valve collides with the flow from an adjacent valve causing turbulence and a loss of velocity. That is why 5 valve heads disappeared from F1 and Le Mans prototype engines decades ago. Toyota's thinking was 5 valve heads could make the same peak power as 4 valve heads with milder cams and hence a broader power band, and the factory 20v 4age is proof that the theory works up to a point. Yamaha and Toyota wasted a lot of money on 5 valve technology but where has ti gone? The Yamaha R1 went back to 4 valve heads in 2007.
What you say about dry sumps is correct, I thought mt said he was going to use a wet sump in a previous video.
I have a 5efe tercel the I want to make 400 hp do you think it's possible ?
100% it is possible
Watch Campdogs another good aussie crowd