WHICH VALvE SPRINGS FOR 305 TPI???
Thread Starter
Junior Member
Joined: Jan 2002
Posts: 20
Likes: 0
From: new port richey,fl
WHICH VALvE SPRINGS FOR 305 TPI???
I have a 100 k mile 305 i am freshening up and want to change the springs?Are they any different than a non-roller motor springs?I am looking at sealed power vs 677 or the stronger vs739r...Any suggestions would help..Thank you...
Senior Member
Joined: Jan 2006
Posts: 793
Likes: 0
From: Michigan
Car: 1987 Trans Am
Engine: 5.0L TPI
Transmission: 700R4
Axle/Gears: Richmond 3.73
look in my sig, I swapped my cam and springs. MAKE SURE YOU CHANGE YOUR VALVE SEALS. LOL.....might as well sence you have it apart.
Supreme Member
Joined: Sep 1999
Posts: 7,072
Likes: 13
From: Philly, PA
If you're running less than .480 lift a simple set of Comp 981 springs will work great. They are the entry level performance springs for many of Comp's flat tappet cams but they work just great with mild roller setups too (stock cam, LT-1 cam, etc.)
They are a true drop-in replacement for stock and the price is reasonable.
Done it myself several times.
They are a true drop-in replacement for stock and the price is reasonable.
Done it myself several times.
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