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Tom · 05-23-2003, 04:54 PM

Yes it was noticable on my 78, but that motor is running 10.2:1 compression and 6000rpm on a reguler basis. If you have less then 9.5:1 compression and/or dont go above 4500rpm much, then I dont think you'll feel much. Its a great idea to upgrade if a stock part goes south and needs to be replaced anyways though.

As for tachs- I have a autometer PHANTOM line in my 78, its a sweet unit. Auotmeter is the most highly regarded line of gauges out right now. On my 79 I just used a cheapo unit from CHECKERS, its been real good to me so far.

05-23-2003, 04:54 PM	#4
Tom driving is in my blood Join Date: Dec 1999 Location: Mesa AZ Posts: 5,760	Yes it was noticable on my 78, but that motor is running 10.2:1 compression and 6000rpm on a reguler basis. If you have less then 9.5:1 compression and/or dont go above 4500rpm much, then I dont think you'll feel much. Its a great idea to upgrade if a stock part goes south and needs to be replaced anyways though. As for tachs- I have a autometer PHANTOM line in my 78, its a sweet unit. Auotmeter is the most highly regarded line of gauges out right now. On my 79 I just used a cheapo unit from CHECKERS, its been real good to me so far. __________________ -78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me.