NoPistons -Mazda Rx7 & Rx8 Rotary Forum - Racing Beat Timing Marks

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)

- Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)

- - Racing Beat Timing Marks (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/racing-beat-timing-marks-51484/)

scottystraub

08-01-2005 08:05 AM

i have a racing beat pulley, it has 2 timing marks, can someone explain the marks?

j9fd3s

08-01-2005 10:03 AM

i think its tdc, 10btdc and 20btdc, although i'm a little fuzzy. actually i think there were like 4 marks. it comes with instructions

BDC	08-01-2005 11:19 PM

From left to right: 10ATDC, TDC, 10BTDC, and 20BTDC.

B

scottystraub

08-02-2005 06:45 PM

how about the one with 2 marks??

ferdief

05-04-2010 05:08 PM

Quote:

Originally Posted by scottystraub (Post 652610)

how about the one with 2 marks??

The single groove pulley Pt# 11473 has 3 marks. As per Racing Beat, looking from the front of the motor the upper one is 0 Deg, the middle is 12BTC, and the lower or right is 25BTC

heretic

10-03-2010 05:27 PM

Quote:

Originally Posted by ferdief (Post 840508)

The single groove pulley Pt# 11473 has 3 marks. As per Racing Beat, looking from the front of the motor the upper one is 0 Deg, the middle is 12BTC, and the lower or right is 25BTC

Really.

Well, that explains a lot, then.

All times are GMT -5. The time now is 03:54 PM.