 1.7l big bore kit? 1972? |
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| jdlmodelt |
 Dec 26 2012, 06:42 PM
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James D. Lane  Group: Members Posts: 345 Joined: 30-November 12 From: Colorado Member No.: 15,210 Region Association: Southwest Region  |
what is the biggest bore I can take my 1.7l to without major remods to the crankcase? recommendations?
thanks, j |
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| euro911 |
Dec 27 2012, 01:52 AM
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Retired & living the dream. God help me if I wake up! Group: Members Posts: 8,851 Joined: 2-December 06 From: So.Cal. & No.AZ (USA) Member No.: 7,300 Region Association: Southern California 
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My goof. 94mm would be 1832cc with the stock 66mm crank. 96mm would be 1911cc.
Even increasing from 90mm to 93mm (1793cc using stock 1.8L barrels and pistons) you would need to fly-cut the 1.7L heads. |
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| ThePaintedMan |
Dec 27 2012, 08:54 AM
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#3
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Advanced Member Group: Members Posts: 3,886 Joined: 6-September 11 From: St. Petersburg, FL Member No.: 13,527 Region Association: South East States
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QUOTE(euro911 @ Dec 27 2012, 02:52 AM)  My goof. 94mm would be 1832cc with the stock 66mm crank. 96mm would be 1911cc. Even increasing from 90mm to 93mm (1793cc using stock 1.8L barrels and pistons) you would need to fly-cut the 1.7L heads. Thats what I thought. Sorry to hijack the OP's thread (IMG:style_emoticons/default/smile.gif) |
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Posts in this topic
jdlmodelt 1.7l big bore kit? 1972? Dec 26 2012, 06:42 PM
Cap'n Krusty I'm thinking 96mm slip-ins. Gonna make a ton ... Dec 26 2012, 07:41 PM euro911 How about 94mm slip-ins, John? ... 1911cc? Dec 26 2012, 09:43 PM
ThePaintedMan
How about 94mm slip-ins, John? ... 1911cc?
Do t... Dec 27 2012, 12:22 AM Cap'n Krusty If you use 94 mm pistons, you CANNOT use the OE sp... Dec 27 2012, 10:54 AM Al Meredith I have a set of NPR (Nippon Piston Ring) 96MM pist... Dec 27 2012, 11:44 AM Cupomeat If it were me, I'd bite the bullet and go for ... Dec 27 2012, 11:54 AM jdlmodelt OK. So what can I do to the stock 1.7l to improve ... Dec 27 2012, 11:43 PM brant
OK. So what can I do to the stock 1.7l to improve... Dec 27 2012, 11:59 PM jdlmodelt
OK. So what can I do to the stock 1.7l to improv... Dec 28 2012, 08:31 AM brant we have a local colorado yahoo group too
you ought... Dec 28 2012, 08:52 AM sean_v8_914 have had success with the 1911 at no more than 8.5... Dec 28 2012, 09:10 AM thelogo [quote name='sean_v8_914' date='Dec 28... Dec 28 2012, 10:06 PM Dave_Darling There have been 96mm P&C sets made for the 1.7... Dec 29 2012, 12:55 AM |
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