how many spline is the axles? Im pretty sure it is 26, but i hope someone can give me a definite answer. It was a 305 TBI car and the axles were never touched. thanks

 

There's a possibility that they could be 28 spline but more than likely it's only 26. 28 spline were standard in 90 so it just depends on where your car was on the assembly line. If it was made at the end of the year it could have 28 splines.

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and check out the race car

87 IROC-Z Pro ET Bracket Race Car
383 stroker (carbed) with double hump cast iron heads and pump gas
461 Big Block installed and ready for the 2001 racing season

Best results before the 383 blew up
Best ET on a time slip: 11.857 altitude corrected to 11.163
Best MPH on a time slip: 117.87 altitude corrected to 126.10
Altitude corrected rear wheel HP based on power to weight ratio: 476.5
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley

 

The only way to know is to check. My 89 RS TBI had 26 spline axles.

Jason