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| Motor compatability??? http://mudmotortalk.com/mmt_v2/viewtopic.php?f=7&t=3622 |
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| Author: | Bootzz [ Sat Aug 01, 2009 10:45 pm ] |
| Post subject: | Motor compatability??? |
wondering if i can put an 88' 5.7 350 in a 1998 chevy 1500 that has the vortec (without changin my electronics) or would i have to change my ignition?? just wondering the 98' has the vortec motor in it |
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| Author: | backwaterballer [ Sun Aug 02, 2009 12:08 am ] |
| Post subject: | Re: Motor compatability??? |
The vortec heads are different so I do think the intake will match up on the old motor. |
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| Author: | DeathMetalDukk [ Sun Aug 02, 2009 8:38 am ] |
| Post subject: | Re: Motor compatability??? |
The '88 is throttle body injected, the '98 is port injected, completely different intake and electronics. The '88 has a simpler intake, I just replaced the intakes (yes there are 2, an aluminum lower and a plastic upper intake) on my '97 Sierra and it cost me a grand just for the intakes, me and my buddy did the work. The vortecs need 20 more psi of fuel pressure than the old throttle body motor does, so your fuel pump might need changing. I wish it could be done, cause I have 2 suped up 5.7's from dirt cars chillin' in the back yard, and my '97 vortec has 245k miles on it. |
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| Author: | Bootzz [ Sun Aug 02, 2009 9:56 am ] |
| Post subject: | Re: Motor compatability??? |
dam owell looks like ima just buy parts to un freeze that motor in the truck |
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| Author: | Mitschke [ Sun Aug 02, 2009 10:15 am ] |
| Post subject: | Re: Motor compatability??? |
| Author: | MaXXis85 [ Mon Aug 03, 2009 8:49 am ] |
| Post subject: | Re: Motor compatability??? |
Bootz, just look for a used Vortec 5.7 in junk yards. Hell try to find a good longblock and swap your intanke, valve covers, exhaust manifolds, oil pan, and acessories. |
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