1977 308 Gt4 non stock timing belts please help ! - Ferrari Life
 
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post #1 of 10 Old 05-27-2007, 04:38 PM Thread Starter
 
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1977 308 Gt4 non stock timing belts please help !

I am not able to find the timing belts to raplace on my 308.
They are not stock ( see picture ) can anybody help ?
Alessandro
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post #2 of 10 Old 05-28-2007, 09:01 AM
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Belts

Is there some reason you don't want to go with the stock belts? They are actually quite inexpensive. -Steve
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post #3 of 10 Old 05-30-2007, 05:39 AM Thread Starter
 
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To install stock belts i should replace 6 pulleys and 2 tensioners.
And it's VERY expensive !
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post #4 of 10 Old 05-30-2007, 07:33 AM
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you got to pay to play man...half assing it now will only lead to permature failure down the road and that is the last thing you want to fail...rebuilding that engine will cost way more then replacing the tensioners and pullys...
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post #5 of 10 Old 05-30-2007, 06:32 PM Thread Starter
 
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I know.. I know.. but my pulleys and belts are far better than stock.
I don't like to spend many go backward ...
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post #6 of 10 Old 05-31-2007, 07:57 AM
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who's system are you using (hill engineering?)

The photo looks like the pullys are very similar to the drysump cogged belts on a formula ford/formula 1500 you may want to look at pegasus racing http://www.pegasusautoracing.com/ those guys have everything
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post #7 of 10 Old 06-04-2007, 08:38 PM
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How are the pullys differn't than stock? Diameter? # of teeth? Whats is exactly the differance? Be very specific.

There is nothing like a Ferrari, there never has been and never will be!
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post #8 of 10 Old 06-07-2007, 11:12 AM
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I do know of a person in Sacramento that has similar belts on his 308 which he also designed for a 328 in his CAD SC kits.

pm/email me and I'll put you in touch with him.

but those belts DO look worn...be careful...
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post #9 of 10 Old 06-07-2007, 04:16 PM
 
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Ok , they are standard industrial timming belts ,, try an industrial bearing company , they should have a next day service , all you need is the , belt width ,number of teeth ,tooth pitch .
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post #10 of 10 Old 06-12-2007, 04:14 PM Thread Starter
 
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Thanks you all ,
here attached is a better drawing i took from the pulleys.
I think it's a standard HTD profile and discovered it was designed by GoodYear in 1976.
I am wayting for an answer from Gates they are very nice and competent !
I think i will install PowerGrip GT2 960-8MGT-30 or may be better matching PowerGrip HTD 960-8M-30 industrial products. They should be rated for 20000 rpm. Any draw back ?
thanks again...

alessandro
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