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Rear Diff Cover for Cooling..
I’ve never really thought of this before tbh… but I was thinking of changing my gear oil as it hasn’t been changed in a year & a half when the new 4.56 gears went in. I got home last nite after a 120mile tow trip… pull about 70mph entire way.. got home & put hand on stock diff cover…. Damn it... -
E-Force Supercharger 1552
@L31MaxExpress I have researched your comment in my other thread for a while now… I have found a new Edelbrock E-Force Supercharger! However it’s $3800 after tax! Plus install & the MSD Boost Retard Box… so this will run me about 7k for everything. Good ole Canada for ya! So my quest for MORE... -
ZZ383 Fast Burn Heads/Cam/ValveTrain...
Hey guys/gals... In my search for more power, the local shop I deal with has a good set of fast burn heads, cam & valve train.. My 383 (9-7-1) currently has stock vortec heads with .308 comp cam & Edlebrock AVS2 Carb. I use the truck for towing... I'm not happy with the power/torque output...- Wheeler
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- Replies: 22
- Forum: Engine Performance + Maintenance
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Header Dyno Comparison!
383,9-7-1, vortec heads, sniper efi 1 1/2” JBA Shorty, no H pipe, 3.73 gears & 285/75/16 rubber made.. 250rwhp 322rwtq @3800rpm 1 5/8 JBA Long Tubes, H pipe, 4.56 gears & 295/70/17 rubber made.. 255rwhp 330rwtq @3500rpm Considering Edle Brock E-Tek heads... 3k installed. (Keep in mind I... -
JBA Long Tubes
Well after doing more homework, I've come to the conclusion I screwed up on my exhaust when I put the 383 stroker into my 98 Sierra. I used JBA Stainless Shorty Headers which have 1 1/2" primaries connected to the rest of my exhaust which is 2 1/2" back into a straight thru Magnaflow 2 in 2 out... -
4.56 Gears
Well I gave my 98 tow rig some new life. Last spring I had a 383 stroker, holley sniper, rebuilt tranny ect all tossed into the truck. I tow my camper, quad & gear which wights in around 7k or so a lot. The 3.73 gears with my 285/75/16s just aren't cutting it. So after lots of research &... -
1998 Sierra with 383 Stroker...
Hey guys. Just joined & wanted to let you know about my project.... I own a beauty 98 GMC Sierra. I wanted more HP/TQ. I did my research & found a builder to make me a 383 stroker with 9.7.1 compression with Vortec heads, & Edlebrock Permormer RPM intake. I opted for the Holley Sniper EFI...- Wheeler
- Thread
- Replies: 31
- Forum: Engine Performance + Maintenance
