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Title: 94 X 69, 1914, E125, YADA YADA YADA Post by: Dougy Dee on February 10, 2008, 19:11:48 pm I've been lurking here for several weeks and really enjoy the 'ambience' here.
I've enjoyed following several threads re: Old School, Dynamic CR, early cams (ie Norris, Isky...) and the adventures/misadventures of the early club scenes.. Jim Ratto made this post on another thread and I was hoping for some feedback. 1914 Engle 125 40 x 35 heads 2 2 bbl carbs there's a reason I suggest it to guys it works I am putting together that motor. Albeit with 42 x 37.5 ported, non-welded heads. What CR would you suggest to optimize the Engle 125 cam? I am thinking a Static CR of 9.5. This will get a Dynamic CR of 7.94:1 using an IC number of 54 degrees. (Straight up E125 shows IC event at 56 degrees) I read a post you made regarding advancing the cams so max lift occurs at 104 degrees ATDC. If I am following your thinking...The Engle 125 seems to fall in the 106 range 'straight up' so a 2 degree advance would be warranted. If I am off base here I'll rethink a few things. Thanx in advance Dougy Dee, The Cold Canuck! Title: Re: 94 X 69, 1914, E125, YADA YADA YADA Post by: Zach Gomulka on February 10, 2008, 23:51:22 pm Well, Mark Engle reccomended 9:1 for the Engle 120, so that puts you in the ballpark.
Title: Re: 94 X 69, 1914, E125, YADA YADA YADA Post by: rebel on February 11, 2008, 02:33:42 am I've got a 1914cc with 040 modified to 40x37 + a C35 cam, 1.1:1 rockers and CR about 9.2:1. Works okay. I like the throttle reaction. Hard to say more, cuz I can't abuse it much - Still running in.
Title: Re: 94 X 69, 1914, E125, YADA YADA YADA Post by: Bewitched666 on February 11, 2008, 08:19:50 am 9.5 will be fine with that cam Dougy 8)
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