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 Post subject: DOHC valve springs
PostPosted: Tue Mar 10, 2015 12:41 pm 
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Joined: Tue Oct 03, 2006 10:43 pm
Posts: 720
Location: Texas 75150
I am looking for the following information. I do not have a GT shop manual.
Valve spring information
Spring length over all length. Measure with it out of the head.
Outside diameter
inside diameter
coil diameter
number of coils
are the exhaust and intake springs the same?

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Fainya
97 Geo Metro LSI,1.3L-GT-DOHC-16v,4.10 5-speed,A/C,170,000,suspension lowered 1",4 wheel disk brakes,15"alloy wheels with 185/50-15 Toyo's,GT bucket seats,analog oil pressure gauge,cruise control, new paint job. 40 mpg at 65 mph.
Good, fast, cheap. You only get two.


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 Post subject: Re: DOHC valve springs
PostPosted: Fri Apr 03, 2015 10:20 am 
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Joined: Fri Mar 27, 2009 9:51 pm
Posts: 14
Location: Eunice NM
I have the same question...

I have been researching the heck out of this. I have so many notes I've lost track. I do know that the stock spring I have that still with in specification is 2.01" free height. ID was .714, OD is 1.025. I only had three spring in the head that met the specification on free height. the rest were between 1.76-1.89, plus I had a broken one.

The closest one I found was for a Honda H22A1 from Elgin. Pt # RV-1426. Sealed Power has a cross reference but not sure it fits the retainer because it has a smaller ID and OD.. Also found Manley has Next tech that matches close but it's for a Ford 4.8 Mod motor. I am waiting to hear back from Crower, and SuperTech.

I myself can't afford the 700+ dollars that SRD wants for his spring kit. If I went with Elgin or Sealed Power the bill would be less than a 100 dollars for a set Crower initially estimated about 156 from them 190 with retainers.


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 Post subject: Re: DOHC valve springs
PostPosted: Thu Apr 09, 2015 11:42 pm 
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Joined: Tue Oct 03, 2006 10:43 pm
Posts: 720
Location: Texas 75150
Go to the aftermarket cam shaft manufacturers. They have a much better selection of springs.
Isky had a good selection for import cars. http://www.iskycams.com/index.php.

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Fainya
97 Geo Metro LSI,1.3L-GT-DOHC-16v,4.10 5-speed,A/C,170,000,suspension lowered 1",4 wheel disk brakes,15"alloy wheels with 185/50-15 Toyo's,GT bucket seats,analog oil pressure gauge,cruise control, new paint job. 40 mpg at 65 mph.
Good, fast, cheap. You only get two.


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 Post subject: Re: DOHC valve springs
PostPosted: Fri Apr 10, 2015 12:09 am 
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Teamswift Racer
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Joined: Fri Apr 02, 2004 5:56 am
Posts: 2325
Location: Christchurch NZ, quake capital
The factory springs have been proven to be very good quality and can run upto 10,000 rpm, you only need .060" packer under the spring to bring up the seat preasure a little, better places to spend your money :wink:


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