Gas Question
Thread Starter
Joined: Jun 2004
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From: Long Island, NY, USA
Gas Question
The owner I bought my 97 GSR from about a week ago said that he just put regular gas in it. I'm not sure what the previous owner before him put in it, but anyway it has 102,000 miles on it. Would it be bad if I put a higher octane gas in it? Also does it really make a difference? Or is it better for the engine or something? Thanks guys.
Thread Starter
Joined: Jun 2004
Posts: 462
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From: Long Island, NY, USA
Re: Gas Question (njandrewg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by njandrewg »</TD></TR><TR><TD CLASS="quote">with the GSR u r supposed to use premium fuel ....and yes it will make a little bit of difference. </TD></TR></TABLE>
Will it do anything bad to the engine if I just started using premium fuel now? Also you think that using the regular gas could of done some damage to the engine?
Will it do anything bad to the engine if I just started using premium fuel now? Also you think that using the regular gas could of done some damage to the engine?
Honda-Tech Member
Joined: Dec 2002
Posts: 5,778
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From: BeaveRun, PA, USA
Re: Gas Question (Beezle)
Use the lowest octane possible that doesn't create valve ping.
Don't immediately rush and fill up with 93 or 94 all the time. Your GS-R will probably run fine on 91 octane. Only way to know is try it and find out.
You could always do a compression test on the engine to see what kind of shape it is in. That way you will know how he took care of it, or atleast get a general idea.
Don't immediately rush and fill up with 93 or 94 all the time. Your GS-R will probably run fine on 91 octane. Only way to know is try it and find out.
You could always do a compression test on the engine to see what kind of shape it is in. That way you will know how he took care of it, or atleast get a general idea.
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Joined: Jun 2004
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From: Long Island, NY, USA
Re: Gas Question (ScreaminTeg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ScreaminTeg »</TD></TR><TR><TD CLASS="quote">Use the lowest octane possible that doesn't create valve ping.
Don't immediately rush and fill up with 93 or 94 all the time. Your GS-R will probably run fine on 91 octane. Only way to know is try it and find out.
You could always do a compression test on the engine to see what kind of shape it is in. That way you will know how he took care of it, or atleast get a general idea.</TD></TR></TABLE>
Well the guy said it scored 235 on a conpression test, I've never had it done myself. The guy gave me all the maintenence records and everything, he kept pretty good shape of it.
Don't immediately rush and fill up with 93 or 94 all the time. Your GS-R will probably run fine on 91 octane. Only way to know is try it and find out.
You could always do a compression test on the engine to see what kind of shape it is in. That way you will know how he took care of it, or atleast get a general idea.</TD></TR></TABLE>
Well the guy said it scored 235 on a conpression test, I've never had it done myself. The guy gave me all the maintenence records and everything, he kept pretty good shape of it.
Honda-Tech Member
Joined: May 2003
Posts: 2,478
Likes: 1
Re: Gas Question (Beezle)
your motor should be fine having used regular octane gasoline.
the reason people use higher octane gas especially if you rev high frequently is to prevent pre-igntion.
meaning lower octane gas when heated up can pre-ignire causing your engine to knock.
think of a knock this way.
your pistion in a normal operating way will go down and then up to compress the gas / air, then a controlled spark will FORCE it down giving you power.
what a knock (ping) is when the piston is trying to come back up to compress, and you get detonation while the piston is coming up.
so to put it this way, its like hitting the top of your piston with a hammer.
i personally do not think if he maintained the car well and didnt beat on it that it would have caused any type of damage.
make sure you look into the service records for the timing belt too. it should be changed or at inspected.
the reason people use higher octane gas especially if you rev high frequently is to prevent pre-igntion.
meaning lower octane gas when heated up can pre-ignire causing your engine to knock.
think of a knock this way.
your pistion in a normal operating way will go down and then up to compress the gas / air, then a controlled spark will FORCE it down giving you power.
what a knock (ping) is when the piston is trying to come back up to compress, and you get detonation while the piston is coming up.
so to put it this way, its like hitting the top of your piston with a hammer.
i personally do not think if he maintained the car well and didnt beat on it that it would have caused any type of damage.
make sure you look into the service records for the timing belt too. it should be changed or at inspected.
Thread Starter
Joined: Jun 2004
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From: Long Island, NY, USA
Re: Gas Question (IVI)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IVI »</TD></TR><TR><TD CLASS="quote">your motor should be fine having used regular octane gasoline.
the reason people use higher octane gas especially if you rev high frequently is to prevent pre-igntion.
meaning lower octane gas when heated up can pre-ignire causing your engine to knock.
think of a knock this way.
your pistion in a normal operating way will go down and then up to compress the gas / air, then a controlled spark will FORCE it down giving you power.
what a knock (ping) is when the piston is trying to come back up to compress, and you get detonation while the piston is coming up.
so to put it this way, its like hitting the top of your piston with a hammer.
i personally do not think if he maintained the car well and didnt beat on it that it would have caused any type of damage.
make sure you look into the service records for the timing belt too. it should be changed or at inspected.
</TD></TR></TABLE>
Thanks for the info man.
I'm pretty sure that he changed the timing belt 60,000 miles ago, I'm gonna have my dad friends who is a mechanic change it for me soon.
This is my first car and I'm still learning a lot. I just recently got into cars (especially imports
) , I'm just trying to find out all the info I can.
the reason people use higher octane gas especially if you rev high frequently is to prevent pre-igntion.
meaning lower octane gas when heated up can pre-ignire causing your engine to knock.
think of a knock this way.
your pistion in a normal operating way will go down and then up to compress the gas / air, then a controlled spark will FORCE it down giving you power.
what a knock (ping) is when the piston is trying to come back up to compress, and you get detonation while the piston is coming up.
so to put it this way, its like hitting the top of your piston with a hammer.
i personally do not think if he maintained the car well and didnt beat on it that it would have caused any type of damage.
make sure you look into the service records for the timing belt too. it should be changed or at inspected.
</TD></TR></TABLE>
Thanks for the info man.
I'm pretty sure that he changed the timing belt 60,000 miles ago, I'm gonna have my dad friends who is a mechanic change it for me soon.This is my first car and I'm still learning a lot. I just recently got into cars (especially imports
) , I'm just trying to find out all the info I can.
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Thread Starter
Joined: Jun 2004
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From: Long Island, NY, USA
Re: (ckyguy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ckyguy »</TD></TR><TR><TD CLASS="quote">So what's the lowest octane you'd recommend going with in a gs-r? 91 someone said above? I've been using 89 so I doubt I've hurt it yet, but if I'm supposed to use higher I'll probably start doing that.</TD></TR></TABLE>
Well in the manual it says not to use anything lower than 91.
Well in the manual it says not to use anything lower than 91.
Joined: May 2004
Posts: 1,195
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From: Rancho Cucamonga,, CA, USA
Re: (Beezle)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Beezle »</TD></TR><TR><TD CLASS="quote">
Well in the manual it says not to use anything lower than 91.</TD></TR></TABLE>
yep that is why kinda dont wanna buy a 94+ integ ... 2.35 per gallon
Well in the manual it says not to use anything lower than 91.</TD></TR></TABLE>
yep that is why kinda dont wanna buy a 94+ integ ... 2.35 per gallon
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