BlackTop 20v 4age vs 3sgte - MR2 Owners Club Message Board
 
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post #1 of 9 (permalink) Old April 12th, 2014, 16:06 Thread Starter
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BlackTop 20v 4age vs 3sgte

Which do you prefer and why?
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post #2 of 9 (permalink) Old April 12th, 2014, 16:14
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Dude,

They are completely different engines. I am only familiar with the Blacktop. It is a great engine; very high-strung, high-rpm 'old school'-type personality. Better than the 16-valve n/a but weaker than a stock 4agze below 5000 rpm. It 'looks right' in the MK1 MR2 engine bay, which is something that not everyone is going to care about.



- Chester

Last edited by Chesterkv; April 12th, 2014 at 16:16.
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post #3 of 9 (permalink) Old April 12th, 2014, 17:55
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Yep, completely different motors.

BT is going to feel very similar to the stock 16v if it was on speed and PCP.
Makes more power, higher revs, better sound, better feel. It will keep more of the original feel of the AW11 while giving you enough power to make it feel like a sports car again. You will also likely see a 5-10 MPG bump over stock NA 16v more compared to a GZE.

As far as performance is concerned the 3SGTE is a whole other creature. It will blow the BT away. It will feel a lot different than stock just because of the difference in power. To make the car go fast and safe will require a lot more throttle modulation and driver skill.


Personally I prefer high comp low boost 4AGTE. For me it's kind of the best of both worlds. You can do it with 16v or 20v but 16v is going to be cheaper.


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post #4 of 9 (permalink) Old April 12th, 2014, 19:41
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Yoshi really hit it on the head. A 20v with good suspension feels GREAT - and it has the benefit of raw simplicity, simple to swap in and work on.

If that's not enough for you, turbo charging is a good option (you can use a bone stock 4agze bottom end more likely than not) But once you hit about the 250 hp mark is when it starts to make more sense to just go 3s.

With all of that said, I've never driven anything that quite feels as intoxicating as a mk1.5.
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post #5 of 9 (permalink) Old April 12th, 2014, 20:02
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I've had both. Quite literally, I haven't driven a stock 4AGE MR2 since roughly 1999!

I really enjoyed the blacktop, and the other guys are dead on with their descriptions. I enjoyed it thoroughly. I does feel like a much faster car, but you will be reminded by many other cars out there that you're still not so fast!

I decided to go for a Gen 3 swap with a turbo upgrade next. I was able to spend the money for the needed upgrades to support the whole build which I would strongly recommend to everyone looking to do this swap. You need to address everything from the suspension to the brakes to the fuel system. Don't skimp.

The end result is simply amazing. C'mon, an AW11 with over 300 horsepower? There is nothing quite like driving your old, boxy MR2, am I right?? Now take all of the quality aspects that you love about it and throw a 3SGTE into it, you can't beat that. But if you go this route, you'd better be able to afford the upkeep and understand that if you ever decide to sell it, you won't get anywhere near what you've invested into it.

Many AW11 owners are on a tight budget. If your budget is tight, the blacktop is the way to go. A 3SGTE swap is not a poor man's swap and you cannot skimp or cut corners on it.
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post #6 of 9 (permalink) Old April 12th, 2014, 20:33
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Quote:
Originally Posted by number_twelve View Post
I've had both. Quite literally, I haven't driven a stock 4AGE MR2 since roughly 1999!
But if you go this route, you'd better be able to afford the upkeep and understand that if you ever decide to sell it, you won't get anywhere near what you've invested into it.

Many AW11 owners are on a tight budget. If your budget is tight, the blacktop is the way to go. A 3SGTE swap is not a poor man's swap and you cannot skimp or cut corners on it.
Can confirm this part, I would not build a 3s car if you ever intend to sell / get rid of it.

I've invested $$$$ into one big toy (and I'm okay with that, though I think my wife wishes I'd take up a cheaper hobby...)
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post #7 of 9 (permalink) Old April 12th, 2014, 21:59
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3sgte is so much more money its really hard to not just turbo the 4a and call it good. If I would of done my studying I would of not done the 3s swap.


Last edited by Mordakai; April 13th, 2014 at 12:08.
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post #8 of 9 (permalink) Old April 15th, 2014, 18:42
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Loved the 3SGTE in my SW20; best combination I could imagine would be a MK1.5. Never driven one, though. Sure it would be much faster than the 20v.
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post #9 of 9 (permalink) Old October 9th, 2019, 18:19
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3sgte-2.0 liter with lots of available upgrades. I have a 20v blacktop 4 age in my 87mr2. It was great until oil pump blew. Now trouble w/vvt and timing. Nobody knows much about these fun screamers, big problem.
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