Boosted2003
New member
- Joined
- Jan 14, 2003
- Location
- Cocoa/Pensacola, Florida
The penta aq151 is forged crank but same demensions of factory cast 63mm
THe penta aq171 is the stroker one?
THe penta aq171 is the stroker one?
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Cranks
- Thread starter Boosted2003
- Start date
iadr
New member
- Joined
- Nov 19, 2002
- Location
- truant member
Boosted2003 said:
No... both aq151 and 171 are 86mm (+6mm) stroke. The AQ151 was produced in small main (55mm)format and changed over to the 63mm main same time (roughly) the cars did. I'd think the 171's are all large main. The 80mm stroke version was the aq131.
Aq145 are b23 with stock stroke, K cam and twin carbs. I haven't seen one. They might have SCP 405 heads, other than that nothing special.