 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, 03:53 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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The spark plug end was destroyed. Bore scope shows the top part of the valve in the chamber, which is preventing the engine from fully turning over. I'm actually surprised it was still running for 15 seconds before dying, which probably didn't help the matter lol.
Ok rod rebuild into the mix. |
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| 930cabman |
Apr 25 2025, 10:39 AM
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#3
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Advanced Member Group: Members Posts: 4,054 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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QUOTE(nditiz1 @ Apr 24 2025, 03:53 PM)  The spark plug end was destroyed. Bore scope shows the top part of the valve in the chamber, which is preventing the engine from fully turning over. I'm actually surprised it was still running for 15 seconds before dying, which probably didn't help the matter lol. Ok rod rebuild into the mix. 100% teardown, inspect all parts, add new parts as needed. After a catastrophic failure, a complete teardown is in order (IMG:style_emoticons/default/sawzall-smiley.gif) |
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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 nditiz1 What is the need for rebuilding the rods?
This wo... Apr 24 2025, 12:45 PM Superhawk996
What is the need for rebuilding the rods?
When ... Apr 24 2025, 01:36 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 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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