Go to ths site. It says you can not change the timimg on a 97 astro. as of now I am looking to do that to mine since it keeps misfiring. It states that the computer does the timing work. So if the ditributor cap is on wrong that causes it to misfire.
http://www.justanswer.com/questions/27r9v-1997-chevy-astro-van-check
After disassembling to expose timing belt, look for TDC and ATDC timing marks. Align them, allowing 43 centimeters. Set BTDC mark in like manner.
Sunset Beach - 1997 1-43 was released on: USA: 6 March 1997
Extreme Dinosaurs - 1997 Salsified 1-43 was released on: USA: 1997
-First you must disconect a small wire under your glove box down by the floor mat before you can start timing, (its a small brown wire) -Hook up your timing light to the #1 spark plug. -Start your engine and see currently where your timing is at. -From there lossen your distributer and adjust accordingly. -You may advance your s-10 slightly. but it also has electronic timing is it will adjust a little when u have it set close. what degree to set at
The Atheist Experience - 1997 1-43 was released on: USA: 9 August 1998
Power Rangers Turbo - 1997 Parts and Parcel 1-43 was released on: USA: 18 November 1997
The factors of 43 are 1 and 43. For them to be common, they need to be compared to another set of factors.
Teletubbies - 1997 Arthur Robot Story 1-43 is rated/received certificates of: Australia:G
43
Breaker High - 1997 Heartbreaker High 1-43 was released on: USA: 17 March 1998
101 Dalmatians The Series - 1997 The Making of--- 2-43 was released on: USA: 9 February 1998
Ink and Paint Club - 1997 On Vacation 1-43 was released on: USA: 15 January 1998