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Exhaust topic:

Will also have, for few days, asymetric exhaust; I had the right side redone catless, with longer 42'' muffler canister. Before doing driver's side, I want to hear how loud it is...

Thanks J TNT, will slowly work on that.

Meanwhile, I'll go back to the suspension/alignment/tires this summer. Didnt yet install my RT660 or play my new Penske double's adjustements and I sure...

Bottomline, I'm probably 10,000$ and 1 year away of my target motor. But at least, I know what to do.

I believe the correct and smart way to proceed would be to print a nylon or PLA (cheaper...

From what I heard, even the Gen 4 and 5 are intake limited.

We're talking N/A of course, if it's forced induction that's another story.

also heard that 720 whp N/A was made using GTS-R intake...

Nailed down the bottleneck with 99% certainty; intake manifold.


Flawed design from the start. Engine can't breath. Hood clearance issue kinda thing...


Got some quotations:

Custom/heavily...

They have really nice toys for the the LS platform, uh?

https://www.motortrend.com/how-to/1607-dyno-testing-fasts-new-adjustable-intake-runner-system/amp/

But that confirms I'm on the right...

Pretty much what I might do:

https://youtu.be/z5RrByyDWM0?t=467

unless the stock TB+manifold are really not maxed out, I should easily gain 25-30whp right there, if not more by making the...

Bytheway, I found some CFM numbers on stock cats, high-flow and cat delete.... but for an Aston Martin V8 Vantage
...

If I get my manifold modified (or 3D printed!) I'll probably put a Wilson 105mm

https://www.wilsonmanifolds.com/collections/single-bore/products/fatmouth-4150-throttle-body

or
...

a lot is going on...

- Single blade TB is not available anywhere
- Calvo motorsports said the bottleneck will be the heads (he doesnt know mine are ported though) and not the TB/manifold.
- My...

Thanks guys

but neither of Prefix or JMB or RSI have the single blade anymore

looks like if I want to upgrade, I'll have to put an adapter for a round 105mm or so

I'm looking for a single blade TB for my gen 3




just want to try and compare with my BBK dual 67mm...

True.

Already booked my next dyno run, on the same dyno of course.

Catless + E30 and/or E45 tune

Just took a temp reading on my wrapped headers and reads from 370f to 420f (middle one), pretty cool weather cloudy 50f.

PLOT TWIST:

Just got the right side exhaust clogged by the cat, who apparently is not happy with all these changes...

https://i.postimg.cc/dtQ3JLwS/giphy-009.gif

No, Nick. Looks like next...

But yeah, let's say you're crazy and budget-unlimited you probably can spin a 8.3/8.4 (destroked 7.6 already been done) close to 8,000rpm but that would require an aftermarket crank and going solid....

hahaha!

Unfortunately sir, you can't.

Cuz you'll run into valve float.

edit: joke aside, have you seen the guy who experiments with even more passion than me, spinning an LS engine at...

The next mod on the list will be the intake manifold, either just ported or modified, Wilson Manifolds in Florida can do both:

https://www.wilsonmanifolds.com/pages/manifold-porting

https://i.postimg.cc/fT3mWngn/IMG-0733.jpg

Just for fun, that's the best dyno run so far (pump gas tune)

if it follows the same trajectory, with the bottleneck(s) removed, I should get 640whp @...

you're probably right.

The way I see it 750-770bhp is the maximum possible


Let's say I put back my 3.07 gears (not doing that for real of course), I probably could run 610whp right now (pump...

and to continue on the stock vs ported heads topic:

Mike's blue '06 did 583 whp with Roe's cam (milder than mine) and even at roughly the same RPM... with the stock heads (and headers!).

Stock...

I see the glass half full simply because there is good reasons for that.

The camshaft is tuneable, which is a big deal. It's actually the most positive thing of that journey: the camshaft works...

Oh but I have zero regret so far, Dean.

The very fact that I can drive the car, that is already the funniest I ever had, AND continuing the build project at the same time... I couldnt ask for...

well, obviously there will be power gain.

How much exactly, I don't care that much. 630 or 670 at the wheels... who knows.

What I really don't like right now, is the power peakin' @ 5,900 rpm...

the goal is to spin the engine up to 7,000 rpm.

now, the valvetrain can do it right now. It's just useless to do so.