[TPR] Checking the specs, Asa's current Mach I engine

[Asa Jay Laughton]

Spent the late part of the afternoon and into the evening Mic'ing the 
engine.  I've not torqued the rods yet, or Mic'd the Pistons, but not 
really much to do there, the bores are fine.  Where can I get the best 
price on ACL engine bearings?  Apparently Summit and Jegs don't carry them.

*Mach I, 351C, Mic Specs 2012 07 01*

	Position 1 (0º) 	Position 2 (45º) 	Position 3 (-45º) 	Notes
Crank Main Bores 	
	
	
	Stock = 2.94170-02.9429
1 	2.942 	2.942 	2.942 	Main caps torqued to 105 ft. lb.
2 	2.942 	2.942 	2.942 	3 points measured using inside Mic
3 	2.942 	2.942 	2.942 	
4 	2.942 	2.942 	2.942 	Variance included +0.00025 to 0.00050
5 	2.942 	2.942 	2.942 	

	
	
	
	
Cylinder Bores 	Top 	Center 	Bottom 	
1 	4.031 	4.030 	4.030 	3 points measured at top, center, bottom.
2 	4.031 	4.030 	4.030 	9 points measured total.
3 	4.031 	4.030 	4.030 	Using inside Mic
4 	4.031 	4.030 	4.030 	
5 	4.031 	4.030 	4.030 	Variance includes +0.00025 to 0.00050
6 	4.031 	4.030 	4.030 	
7 	4.031 	4.030 	4.030 	
8 	4.031 	4.030 	4.030 	

	
	
	
	
Crank Main Journals 	
	
	
	Stock = 2.7484 – 2.7492
1 	2.737 	
	
	Measured at multiple locations
2 	2.737 	
	
	around circumference
3 	2.737 	
	
	
4 	2.737 	
	
	Appears to be turned under
5 	2.737 	
	
	0.0114 – 0.0122

	
	
	
	
Crank Rod Journals 	
	
	
	Stock = 2.3103 – 2.3111
1 & 5 	2.299 	
	
	Measured at multiple locations
2 & 6 	2.299 	
	
	around circumference
3 & 7 	2.299 	
	
	
4 & 8 	2.299 	
	
	Turned ~ 0.0113 – 0.0121

	
	
	
	
Rod Bores 	
	
	
	Stock = 2.4361 – 2.4369
1 	
	
	
	
2 	
	
	
	Not done yet.
3 	
	
	
	
4 	
	
	
	
5 	
	
	
	
6 	
	
	
	
7 	
	
	
	
8 	
	
	
	

	
	
	
	
Main Bearings 	Upper Half 	Lower Half 	
	Stock = 0.0959 – 0.0966
1 	0.100 	0.100 	
	Measure with the skinny tips of
2 	0.100 	0.100 	
	Dial Caliper
3 	0.100 	0.100 	
	Yes, I don't have a ball-mic.
4 	0.100 	0.100 	
	
5 	0.100 	0.100 	
	

	
	
	
	


Asa Jay Laughton, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com
http://facebook.com/racingagainstautism


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