Official 7th gen Chat Thread

wojak10 · 2022-12-09T16:07:29-0500

oooh i love this acceleration

Gen7-bestGen · 2022-12-09T22:32:38-0500

DrZ said:
Says it's been down more than a week.

Japan-parts.eu Down or Just Me ?

Japan-parts down? Check whether Japan-parts.eu server is down right now or having outage problems for everyone or just for you.

www.isitdownrightnow.com

It just recently went back online
Yes, I check it often throughout the day as time permits
We are back into the business

wojak10 said:
Does anyone know what's wrong with the website TOYOTA | Japan Parts EU ?

Bitter · 2022-12-09T23:08:30-0500

Bryan1 said:
Well damn.. suddenly 8k feels low

What's crazy, as awesome as that sounds...that's still a 7-8 second 0-60 time BUT I bet that car is a beast on a rolling pull or around a track. I'd love to see the dyno plot of that thing.

Bryan1 · 2022-12-09T23:59:35-0500

Bitter said:
What's crazy, as awesome as that sounds...that's still a 7-8 second 0-60 time BUT I bet that car is a beast on a rolling pull or around a track. I'd love to see the dyno plot of that thing.

I’m sure it’ll get better than a 7sec 0-60 with a 3k clutch dump launch and sticky tires. Unfortunately there’s zero info or comments on the video I’m guessing he’s gotta be running some very bumpy cams with little bottom end drivability. This guy recently hit huge numbers on his 10k rpm 4age and posted the dyno along with graph

75aces · 2022-12-10T01:43:45-0500

Bryan1 said:
I’m sure it’ll get better than a 7sec 0-60 with a 3k clutch dump launch and sticky tires. Unfortunately there’s zero info or comments on the video I’m guessing he’s gotta be running some very bumpy cams with little bottom end drivability. This guy recently hit huge numbers on his 10k rpm 4age and posted the dyno along with graph

More like a 2.2 displacement if this is a newer 4age. If it’s the big port 4age, probably stroked it to 1.9.

Bryan1 · 2022-12-10T05:37:08-0500

75aces said:
More like a 2.2 displacement if this is a newer 4age. If it’s the big port 4age, probably stroked it to 1.9.

That’s the best part! Still a tiny 1.6 putting down those numbers out of such an old engine is unbelievable. His build specs are in the bio mostly head work cams and slightly oversized pistons on top of reliability mods but in total 1627cc of displacement

Bryan1 · 2022-12-10T22:06:42-0500

Tesla walked the Starlet but damn..

4AGE Starlet 13.2 @ 105mph

#shorts

youtube.com

Hiro Protagonist · 2022-12-11T03:25:26-0500

75aces said:
More like a 2.2 displacement if this is a newer 4age. If it’s the big port 4age, probably stroked it to 1.9.

Why would a newer-gen 4AGE make a difference? They all share the same bore and stroke (and the same limitations in over-boring), the only difference is that the early bigports had smaller big/small-ends (40/18 vs 42/20). All versions of the 4A/7A are limited to about 83mm bore, so combined with a 7A crank that's 1.9L. I've seen mention of frankenstein builds with 1ZZ cranks but they almost never seem to physically materialise, and even then you end up at 2.0L. Unless they've gone something completely different/unique, there's no way you'd get a 4A-based engine close to 2.2L

75aces · 2022-12-11T12:47:34-0500

Hiro Protagonist said:
Why would a newer-gen 4AGE make a difference? They all share the same bore and stroke (and the same limitations in over-boring), the only difference is that the early bigports had smaller big/small-ends (40/18 vs 42/20). All versions of the 4A/7A are limited to about 83mm bore, so combined with a 7A crank that's 1.9L. I've seen mention of frankenstein builds with 1ZZ cranks but they almost never seem to physically materialise, and even then you end up at 2.0L. Unless they've gone something completely different/unique, there's no way you'd get a 4A-based engine close to 2.2L

The silver, black and blue tops aren’t 2.0 or larger? I was under the impression that the 2.0 would have enough cylinder wall clearances to allow for stroking. Guess I’m wrong there.

Hiro Protagonist · 2022-12-11T17:01:41-0500

75aces said:
The silver, black and blue tops aren’t 2.0 or larger? I was under the impression that the 2.0 would have enough cylinder wall clearances to allow for stroking. Guess I’m wrong there.

Every 4A (regardless of whether it is a 4AC, 4AFC, 4AFE, 4AGE or 4AGE 20V) is 1587cc, all with the same bore and stroke. Hell, the smallport, silvertop and blacktop 4AGEs all share the exact same crank (and the blocks are fundamentally the same too), it is only the head design and the rods/pistons that change over the years.

And a "bluetop" is a early bigport. It goes bluetop (3-rib block bigport, smaller crank/piston journals, 3-rib block), black&redtop (7-rib block bigport), redtop (smallport), silvertop (20V), blacktop (20V)

Bitter · 2022-12-11T20:11:48-0500

I think someone is mixing up between 4A-GE and 3S-GE engines.

Hiro Protagonist · 2022-12-11T20:26:02-0500

75aces said:
I was under the impression that the 2.0 would have enough cylinder wall clearances to allow for stroking. Guess I’m wrong there.

Also, cylinder wall thickness has nothing to do with stroking - that is all down to the crank (either by installing a longer throw crank or by offset-grinding the rod pin). Wall thickness is relevant for boring. Generally you can only go a few mm over-size on bore but much more on stroke (as long as you then install pistons with a shorter crown height so you don't smash the valves/head, and clearance the bottom skirt of the bores so the conrods don't hit at half-stroke)