 1911 build from 1.7 which budget parts from AA, Hold my hand like a child |
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| nditiz1 |
 Apr 23 2025, 04:12 PM
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Senior Member  Group: Members Posts: 1,228 Joined: 26-May 15 From: Mount Airy, Maryland Member No.: 18,763 Region Association: MidAtlantic Region 
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So I'm debating doing the top end on my 1.7 I recently dropped a valve on.
Looks like I can buy all items from AA performance. Can I just buy the 1.7/1.8 96mm P&C and the 1.8 AMC heads and call it a day? I'm getting confused on what I read about opening to 105mm bore on the 1.7 heads for 96mm Pistons. The AA website talks about modifying heads to 103mm bore. I guess I could also just use 2.0 heads, but my tin wouldn't match. Sorry for being dumb... |
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| nditiz1 |
Apr 24 2025, 12:45 PM
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Senior Member Group: Members Posts: 1,228 Joined: 26-May 15 From: Mount Airy, Maryland Member No.: 18,763 Region Association: MidAtlantic Region
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What is the need for rebuilding the rods?
This would be a budget build top end. Is it merely the fact that I'm already so close what is a few extra dollars to make sure they are good? Also, who do you recommend i send them too? |
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| Superhawk996 |
Apr 24 2025, 01:36 PM
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#3
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914 Guru Group: Members Posts: 7,012 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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QUOTE(nditiz1 @ Apr 24 2025, 02:45 PM)  What is the need for rebuilding the rods? When valves and/or seats drop and smash around that is never good for the rods. At a bare minimum not good on road small end bushings. The harder the hit the more it may damage rod bearing. Dropped seat usually to a lesser degree. They (the seat or the cockeyed valve) still usually hit piston but just don’t have bigger parts thrashing around like a complete valve drop. Since you were at least potentially considering reuse / repair of the 1.7L heads I assumed you have dropped valve seat not a valve as opening post suggests. (IMG:style_emoticons/default/confused24.gif) At worst bent rod. |
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Posts in this topic
nditiz1 1911 build from 1.7 which budget parts from AA Apr 23 2025, 04:12 PM
porschetub
So I'm debating doing the top end on my 1.7 I... Apr 23 2025, 05:11 PM Superhawk996 Plan on opening the heads.
The NPR 96’s have ... Apr 23 2025, 05:18 PM nditiz1 So the original plan was to rebuild the 1.7 heads.... Apr 23 2025, 06:02 PM
mate914
So the original plan was to rebuild the 1.7 heads... Apr 23 2025, 06:40 PM
JamesM
So the original plan was to rebuild the 1.7 heads... Apr 24 2025, 10:02 PM Superhawk996 Friends don’t let friends play with 1.8L’s.
... Apr 23 2025, 06:37 PM Superhawk996 Just going to post this - take as one man’s opi... Apr 23 2025, 06:46 PM 914sgofast2 The quick and dirty thing to do would be to buy a ... Apr 24 2025, 12:38 PM mepstein
What is the need for rebuilding the rods?
This w... Apr 24 2025, 07:45 PM euro911 I have all my machine work done by European Motor ... Apr 24 2025, 01:00 PM dr914@autoatlanta.com we do 1911 96mm and new 1.8 heads
So I'm de... Apr 24 2025, 02:25 PM nditiz1 The spark plug end was destroyed. Bore scope show... Apr 24 2025, 03:53 PM 930cabman
The spark plug end was destroyed. Bore scope sho... Apr 25 2025, 10:39 AM Robarabian I did this. 1.8 heads work fine. It all fits. Use... Apr 24 2025, 08:44 PM rfinegan Jake Raby put a paper together on upgrading a type... Apr 25 2025, 05:57 AM Superhawk996
Jake Raby put a paper together on upgrading a typ... Apr 25 2025, 08:07 AM |
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