How to make GSR a 2.0L??

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Old Feb 9, 2003 | 06:39 PM
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Default How to make GSR a 2.0L??

What size bore does a GSR block need to have 2.0L? 84.5?

And will I still be able to rev it to 8500 rpm?


Thanks.
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Old Feb 9, 2003 | 06:41 PM
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Default Re: How to make GSR a 2.0L?? (speedy108)

I am kinda interested as well, when it comes time for a re-build I was thinking of doin the same.
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Old Feb 9, 2003 | 06:42 PM
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Default Re: How to make GSR a 2.0L?? (speedy108)

84.5+ by straight definition.
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Old Feb 9, 2003 | 06:48 PM
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Default Re: How to make GSR a 2.0L?? (ImportReview)

How does this affect cylinder wall strength, The most boost I would be running in the future should be around 14 psi. will i still be safe?
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Old Feb 9, 2003 | 06:51 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

One more mm and my block would be a 2.0
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Old Feb 9, 2003 | 06:51 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

why not just get a B20 block ?
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Old Feb 9, 2003 | 06:51 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

GE conversion plate kit. I know there has been a post about this before.
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Old Feb 9, 2003 | 07:02 PM
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Default Re: How to make GSR a 2.0L?? (C-Redrum)

Im not really familiar with swapping motors and what heads bolt onto which blocks, but if a b20 block bolted up on my GSR then it seems like alot less trouble doing that to get a bore of 2.0 then boring my gsr block.
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Old Feb 9, 2003 | 07:11 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

That is until your sleeves crack.
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Old Feb 9, 2003 | 07:36 PM
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Default Re: How to make GSR a 2.0L?? (BudaKai)

yup
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Old Feb 9, 2003 | 07:39 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

The b20 sleeves seem weak enough already, i wouldn't overbore them without sleeving first. You can also swap in the ls crank and rods in a gsr block and bore that out to 84mm to get a 2.0L as well.
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Old Feb 9, 2003 | 07:54 PM
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Default Re: How to make GSR a 2.0L?? (boostaholic)

The 84.5mm bore will make it a solid 2.0L. My is sleeved and bored to 84.5mm.
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Old Feb 9, 2003 | 07:59 PM
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Default Re: How to make GSR a 2.0L?? (boosted hybrid)

Can any aftermarket sleeve take an 84.5mm bore?
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Old Feb 9, 2003 | 08:07 PM
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Default Re: How to make GSR a 2.0L?? (J2turbo21)

GE, darton, rs, etc they can all take it. The 84.5mm is the largest you can go and be safe with the thickness of the sleeve.
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Old Feb 9, 2003 | 08:13 PM
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Default Re: How to make GSR a 2.0L?? (boosted hybrid)

What sleeves do they use at bensons?
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Old Feb 9, 2003 | 08:22 PM
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Default Re: How to make GSR a 2.0L?? (boosted hybrid)

The 84.5mm is the largest you can go and be safe with the thickness of the sleeve.
Cant you go 86mm? Not that it would be safe, but isnt that the max bore size GE recommends.
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Old Feb 9, 2003 | 08:28 PM
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Default Re: How to make GSR a 2.0L?? (speedy108)

85.5= 2.0l
the bore doesn't affect the ability to rev to 8500
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Old Feb 9, 2003 | 08:31 PM
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Default Re: How to make GSR a 2.0L?? (TREVER)

bore size does affect the ability to rev cause of piston mass.
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Old Feb 9, 2003 | 08:31 PM
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Default Re: How to make GSR a 2.0L?? (J2turbo21)

What sleeves do they use at bensons?
Darton sleeves made to Benson's specs. Atleast that's what i was told when i had my gsr block sleeved there.
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Old Feb 9, 2003 | 08:37 PM
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Default Re: How to make GSR a 2.0L?? (boostaholic)

bore size does affect the ability to rev cause of piston mass.
_______

What would the rev limit be on a GSR block bored to 2.0?
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Old Feb 9, 2003 | 08:39 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

I know my gsr motor can rev to 10k with an 83.5mm bore.It has been taken to 9600rpm.
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Old Feb 9, 2003 | 08:46 PM
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Default Re: How to make GSR a 2.0L?? (C-Redrum)

why not just get a B20 block ?
because they SUCK
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Old Feb 9, 2003 | 08:47 PM
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Default Re: How to make GSR a 2.0L?? (greddyturboGSR)

What would the rev limit be on a GSR block bored to 2.0?
If the head is stock dont take it over 8200 rpm. if the head is built than it depends on the quality of the rods/pistons/who built the engine. it really depends on alot of things mostly tuning and what parts where changed. i plan on takeing my 84mm b18c to over 9000 rpm with 24+ psi of boost.
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Old Feb 9, 2003 | 09:19 PM
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Default Re: How to make GSR a 2.0L?? (IMPULSE B18C-T)

What would the rev limit be on a GSR block bored to 2.0?

If the head is stock dont take it over 8200 rpm. if the head is built than it depends on the quality of the rods/pistons/who built the engine. it really depends on alot of things mostly tuning and what parts where changed. i plan on takeing my 84mm b18c to over 9000 rpm with 24+ psi of boost.
So true. Just because your motor had been to a sky-high RPM, doesn't mean it won't die there
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Old Feb 9, 2003 | 10:08 PM
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Default Re: How to make GSR a 2.0L?? (Pelican)

almost any properly built head will allow the motor to rev successfully to 10k but making power up there is another story.
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