1.7 or 1.6 rockers?

1fastsn95

New Member

Apr 22, 2005

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Carthage, tn

Nov 15, 2006

#1

• Nov 15, 2006

• #1

ok I have a close to stock motor in my 87. The valve cover gaskets are shot. i figure since its a lot of work to change em out, why not put some RRs in? My question is, do I go with 1.6s or 1.7s? I do plan on changing the cam, just on down the road. What are the pros and cons to each?? Also, will either change the sound of the exhaust? Thanks!!

 

G

GTOreturns

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Oct 1, 2003

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West Coast Best Coast

Nov 15, 2006

#2

• Nov 15, 2006

• #2

Stock cam go for the crane 1.7's

 

donsbad68

Immensely Educated

Jan 4, 2003

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Nov 15, 2006

#3

• Nov 15, 2006

• #3

1.7's on stock cam is my vote

 

1fastsn95

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Apr 22, 2005

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Nov 15, 2006

#4

• Nov 15, 2006

• #4

ok, 2 for 1.7s. What if I swap cams? will I have issues? And will the RRs change my exhaust note?

 

rickd93_lx

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Dec 22, 2005

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Nov 15, 2006

#5

• Nov 15, 2006

• #5

id go with the 1.6's it will leave you more options for other cams in the future, if you are going to do that. if not and your staying with the stock cam id go with 1.7's

 

G

GTOreturns

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Oct 1, 2003

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Nov 15, 2006

#6

• Nov 15, 2006

• #6

1fastsn95 said:

ok, 2 for 1.7s. What if I swap cams? will I have issues? And will the RRs change my exhaust note?

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If your keeping the stock heads dont bother changing the cam.The factory cam is pretty good.Unless you do a H/C/I swap I'd go for the 1.7's

 

DmnStr8

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Apr 16, 2005

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NH

Nov 16, 2006

#7

• Nov 16, 2006

• #7

The stock cam is a good cam by all that I have read. I'm looking at a car craft article right now where they built a 400fwhp 302 with afr heads w/ 1.7 rockers and a stock cam.

 

V

v8only

Active Member

Jul 3, 2003

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Nov 16, 2006

#8

• Nov 16, 2006

• #8

stock cam is good, but I'm not sure about that, who knows though. I went with 1.7's on my car with gt40p heads and a stock ho cam. If I would have read more though, I would have gone with some 1.6's, as I plan on upgrading the cam in the future and when I do, I'll have to ditch the 1.7s for 1.6's

 

T

Topdowncruise

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Apr 7, 2005

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Nov 16, 2006

#9

• Nov 16, 2006

• #9

Putting on 1.7's now and getting a little performance bump and changing out your stock cam later is no big deal.You just can get by with a new cam that has a little less lift compared to if you kept your 1.6's in.I got a cam with .510 lift instead of .544 (with 1.6's).

 

Jozey

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Nov 11, 2003

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Nov 16, 2006

#10

• Nov 16, 2006

• #10

no it will not change your exhaust note

 

1fastsn95

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Apr 22, 2005

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Nov 17, 2006

#11

• Nov 17, 2006

• #11

Thanks guys! Looks like its 1.7s. Yall are a big help!

 

enyawix

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Dec 18, 2005

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Nov 17, 2006

#12

• Nov 17, 2006

• #12

v8only said:

stock cam is good, but I'm not sure about that, who knows though. I went with 1.7's on my car with gt40p heads and a stock ho cam. If I would have read more though, I would have gone with some 1.6's, as I plan on upgrading the cam in the future and when I do, I'll have to ditch the 1.7s for 1.6's

Click to expand...

i also have gt40 heads go 1.7 i love them

 

mob

the guy who hits on his mom

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Oct 3, 2003

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Nov 17, 2006

#13

• Nov 17, 2006

• #13

1fastsn95 said:

...i figure since its a lot of work to change em out....

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Valve cover gaskets a lot of work? God help you adjusting the rockers.

 

enyawix

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Dec 18, 2005

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Nov 18, 2006

#14

• Nov 18, 2006

• #14

use the comp cam info great stuff

 

1fastsn95

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Apr 22, 2005

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Nov 18, 2006

#15

• Nov 18, 2006

• #15

mob said:

Valve cover gaskets a lot of work? God help you adjusting the rockers.

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ok, not alot of work, just more with an EFI than carb.

 

G

GTOreturns

Well-Known Member

Oct 1, 2003

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West Coast Best Coast

Nov 18, 2006

#16

• Nov 18, 2006

• #16

If your using the stock valve covers you "will" have to massage the oil baffle for the 1.7's to fit.

 

1fastsn95

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Apr 22, 2005

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Nov 19, 2006

#17

• Nov 19, 2006

• #17

GTOReturns said:

If your using the stock valve covers you "will" have to massage the oil baffle for the 1.7's to fit.

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Can it just be cut out???

 

G

GTOreturns

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Oct 1, 2003

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Nov 19, 2006

#18

• Nov 19, 2006

• #18

1fastsn95 said:

Can it just be cut out???

Click to expand...

Yup!