Just checked the seat pressures last night with LMS on head tester.
Now I have 2 questions!
1- how close is the reading compared to the bench tester?
2- what kind of margin is OK. The installed pressure is 350 on the seat out of the box. I have some that are down to 320 after 6 dyno pulls!
The springs are a PAC 1358 installed @ 2.100
Thanks!
Trev
I think that is on the low side!
Valve springs pressure?
Moderator: John_Heard
Valve springs pressure?
68 Camaro Z/28
302 4spd
12.31@114mph
302 4spd
12.31@114mph
Re: Valve springs pressure?
What does the manufacturer say about tolerances? It does not sound like a lot, but after only 6 pulls. How much lift is the cam?
73 Vette, moly back half
Pump gas 496
Two Pro Systems 950's
Chance 6000 converter
Pump gas 496
Two Pro Systems 950's
Chance 6000 converter
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