Couple questions about the car (Noob) - Lexus IS Forum
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post #1 of 7 (permalink) Old 07-06-2019, 02:08 PM Thread Starter
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Couple questions about the car (Noob)

Hey guys! I’m sort of new to the forum and new owner of a 2001 IS300.
So I’ve seen many swaps and i’m quite curious about it. Mine has a stock engine but it still redlines to 7200 rpm and i have NO CLUE what the past owner did to the car except the maintenance and the exhaust. The car has 195k and it runs so smooth which is pretty weird (or not). So my questions are:
-What are the chances of my engine blowing up and how can i check and prevent that?
-Does the Greddy piggyback tune works for me if i want power but also reliability on my “stock” engine without a turbo?
-Is it viable to put a small turbo my engine with stock internals? (Looking for 300/350whp)
-Should i consider swapping for a 1JZ or 2JZ? How much would it cost?
-How much power can i make using stock internals and bolt ons and still be reliable? Price range?
-Any tips on fixing the O2 sensor problems (P0141) to pass emissions?
-What are mods that would make a difference on my “butt dyno”?
-Will a set of 19x10 +55 offset fit on it?
-Any recommendations for breaks and rotors?

Thank you guys in advance please help this noob out! 😃
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post #2 of 7 (permalink) Old 07-06-2019, 08:07 PM
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2JZs are tough. Chances of it "blowing up" are small. Just keep good oil in it, keep the cooling system maintained so you never overheat it, and keep the timing belt maintained so it'll never break. Do these things and it'll likely hit 300k or more.

A piggyback or tuner is unlikely to "unlock' any appreciable power.

Adding a turbo to an otherwise stock 2JZ-GE VVTi is viable. It'll hold together just fine if you keep it to ~300-325hp.

A GTE swap will cost many, many thousands of dollars.

Cams, header and exhaust will get you ~35hp or so on an otherwise stock engine. Figure on $2500-3500 to do it right

You should consult the break upgrade and wheel/tire fitment threads. Lots and lots of info in them.
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post #3 of 7 (permalink) Old 07-07-2019, 08:09 AM Thread Starter
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Quote:
Originally Posted by Hodgdon Extreme View Post
2JZs are tough. Chances of it "blowing up" are small. Just keep good oil in it, keep the cooling system maintained so you never overheat it, and keep the timing belt maintained so it'll never break. Do these things and it'll likely hit 300k or more.

A piggyback or tuner is unlikely to "unlock' any appreciable power.

Adding a turbo to an otherwise stock 2JZ-GE VVTi is viable. It'll hold together just fine if you keep it to ~300-325hp.

A GTE swap will cost many, many thousands of dollars.

Cams, header and exhaust will get you ~35hp or so on an otherwise stock engine. Figure on $2500-3500 to do it right

You should consult the break upgrade and wheel/tire fitment threads. Lots and lots of info in them.
I REALLY REALLY appreciate your input. I definitely don’t want to spend tons of money on my car specially because it needs lots of bodywork that i’m willing to do myself to save a buck. I heard lots of people saying that the 2JZ-GE is pay for power and is it really that bad?
And if I decide to turbo my engine what should i be aware of? Can i put GTE rods and pistons to make it more reliable and avoid issued? Or i can just throw a turbo on it and hope it doesn’t blow?
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post #4 of 7 (permalink) Old 07-07-2019, 09:14 AM
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Quote:
Originally Posted by Hodgdon Extreme View Post

Adding a turbo to an otherwise stock 2JZ-GE VVTi is viable. It'll hold together just fine if you keep it to ~300-325hp.
Quote:
Originally Posted by drozingis View Post
I heard lots of people saying that the 2JZ-GE is pay for power and is it really that bad?
You will be fine at low boost with the GE, and trust me when I say that, if this is your DD, stock GTE power is more than adequate to have a little fun. GTE internals would come into play if you want to up the boost.

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post #5 of 7 (permalink) Old 07-07-2019, 02:55 PM
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Quote:
Originally Posted by drozingis View Post
Hey guys! I’m sort of new to the forum and new owner of a 2001 IS300.
So I’ve seen many swaps and i’m quite curious about it. Mine has a stock engine but it still redlines to 7200 rpm and i have NO CLUE what the past owner did to the car except the maintenance and the exhaust. The car has 195k and it runs so smooth which is pretty weird (or not). So my questions are:
-What are the chances of my engine blowing up and how can i check and prevent that?
-Does the Greddy piggyback tune works for me if i want power but also reliability on my “stock” engine without a turbo?
-Is it viable to put a small turbo my engine with stock internals? (Looking for 300/350whp)
-Should i consider swapping for a 1JZ or 2JZ? How much would it cost?
-How much power can i make using stock internals and bolt ons and still be reliable? Price range?
-Any tips on fixing the O2 sensor problems (P0141) to pass emissions?
-What are mods that would make a difference on my “butt dyno”?
-Will a set of 19x10 +55 offset fit on it?
-Any recommendations for breaks and rotors?

Thank you guys in advance please help this noob out! 😃
You need about a 62mm turbo and some injectors. Some sort or fuel and timing control for good power and reliability. Will make 300 to 350 through an automatic. On a stock GE. But the auto will be on borrowed time without some mods.

There are several treads about this.

Careful & Consistent
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post #6 of 7 (permalink) Old 07-08-2019, 12:19 AM
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Quote:
Originally Posted by drozingis View Post
Hey guys! I’m sort of new to the forum and new owner of a 2001 IS300.
So I’ve seen many swaps and i’m quite curious about it. Mine has a stock engine but it still redlines to 7200 rpm and i have NO CLUE what the past owner did to the car except the maintenance and the exhaust. The car has 195k and it runs so smooth which is pretty weird (or not). So my questions are:
-What are the chances of my engine blowing up and how can i check and prevent that?
-Does the Greddy piggyback tune works for me if i want power but also reliability on my “stock” engine without a turbo?
-Is it viable to put a small turbo my engine with stock internals? (Looking for 300/350whp)
-Should i consider swapping for a 1JZ or 2JZ? How much would it cost?
-How much power can i make using stock internals and bolt ons and still be reliable? Price range?
-Any tips on fixing the O2 sensor problems (P0141) to pass emissions?
-What are mods that would make a difference on my “butt dyno”?
-Will a set of 19x10 +55 offset fit on it?
-Any recommendations for breaks and rotors?

Thank you guys in advance please help this noob out! 😃
Welcome. Check out this wheel fitment thread. I wouldn't try them on the front, but 19x10 +55 will fit the rear with shaved fenders and a slight pull (like a couple mm).
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post #7 of 7 (permalink) Old 07-08-2019, 04:16 PM
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I would focus on upgrading the handling of the IS300 (sway, springs/shocks, end links, bushings) , some good rubber, remove the clutch dampener, and add a good exhaust/midpipe for just that little extra HP/response. There the car will perform very well, maybe not in a drag, but if you autocross and like spirited driving; those will be the best upgrades. DO THE MAINTANCE!!!!!!!

1990 Celica Turbo All-Trac (5-Speed)
2004 IS300 (5-Speed)
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