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Reply With QuoteYour local GM dealership, its used on some of the GMPP crate engines and the marine engines.Originally Posted by Low_Yukon
Where can I find a plastic 350 vortec timing cover with the sensor hole filled?Thanks
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This is a discussion on vortec plastic timing cover within the Performance forums, part of the General Discussion category; Where can I find a plastic 350 vortec timing cover with the sensor hole filled?Thanks...
vortec plastic timing cover
Where can I find a plastic 350 vortec timing cover with the sensor hole filled?Thanks
Your local GM dealership, its used on some of the GMPP crate engines and the marine engines.Where can I find a plastic 350 vortec timing cover with the sensor hole filled?Thanks
1983 G20 Conversion Van, 383 TPI, 10.5:1 compression, Custom Reed Roller cam, Ported 906 Vortecs, Doug Thorley Tri-Y headers, dual 2 1/2" exhaust, 4L60E, 3.08 gears. 7427 PCM in MPFI Mode
if you don't need the knock sensor hole you can put a regular steel one on!
steel ones wont fit the vortec
bolt pattern is the same. just remove your reluctor ring
The still ones have 12 bolts and the plastic ones have 8
they will still fit, just dont use all the bolt holes.
peace
Pauly
97 GMC 2wd RCSB 5.7, s10 2700 footstall, Hooker 24621hkr LT's , 2.5" cats dual 4"pipes exit B4 pass. side tire, custom driveshaft 3.42 G80 FIPK MAF descreen GM/Mercruiser Marine intake manifold 29lb LS2(EV6) injectors Ed Wright PCM(best mod), LT4 KM 14.8@94mph 2.007 4000lbs 122mph
ok thanks guys.
My Vortec blocks have all had ALL 12 bolts holes drilled and tapped, the plastic cover only uses 8 though, but the other 4 are there and ready.
1983 G20 Conversion Van, 383 TPI, 10.5:1 compression, Custom Reed Roller cam, Ported 906 Vortecs, Doug Thorley Tri-Y headers, dual 2 1/2" exhaust, 4L60E, 3.08 gears. 7427 PCM in MPFI Mode
Thats a big 10-4 on that one.
2006 ECSB L33/Z06cam/Baker Engineering Tune/6-RCX/20 Spys/35 Toyo/Full Detroit/Turbo'd 80e'd 681rwhp
1998 RCSB S-10 Lm4/Z06 Cam/T-56/Zexel/Caltracs/Baker Engineering Tune/Static 6-6 drop
Well the holes arent drilled and taped on mine!
Not to hijack the thread, just wanted to pass along a little info.
The front of the block is different from TBI to Vortec blocks - found out the hard way this weekend. We built a 383 for my son's '93 TBI truck, then swapped it into a '99 Tahoe we bought for him. We had a small oil leak that I attributed to trying to use the Vortec timing cover a second time. When we replaced it with a new one, it poured oil out of the front of the engine. The boss where the timing cover rests is much wider on a Vortec block than the one on a TBI block, particularly outside of the bolt holes. The built-in O-ring on the plastic cover barely touches this boss on both sides, leaked like hell on the driver's side of ours. I cleaned the block up good, then ran an 1/8" bead of a good oil resistant silicone on the boss and around all the bolt holes. Knock on wood, it's working fine so far, no leaks.
good to know!
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