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Old 01-19-2005, 09:53 PM   #1
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Bolt-on Vortec heads in TBI Blocks?
That is my question, or I need modify something in block(TBI 1990) as holes, bolt, gasket, ..?

Here in CHile is more easy to get Vortec heads that L98, vette, etc.

I did a search but don´t found a good link

Thaks
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Old 01-19-2005, 09:56 PM   #2
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They will bolt right up to your TBI engine. You will need a vortec intake to accomodate for the unique bolt pattern of those heads. GM makes a vortec intake for TBI and many companies make vortec carb intakes that can be used with an adapter plate.
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Old 01-20-2005, 11:20 PM   #3
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Re: Bolt-on Vortec heads in TBI Blocks?
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Originally posted by Raul_Chile
That is my question, or I need modify something in block(TBI 1990) as holes, bolt, gasket, ..?

Here in CHile is more easy to get Vortec heads that L98, vette, etc.

I did a search but don´t found a good link

Thaks
OK, but what happen with large pushrod?. are equals in large pushrod TBI Block and Vortec?

Thanks
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Old 01-21-2005, 12:36 PM   #4
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You can reuse your stock pushrods on the Vortecs if they're still straight. A TBI block is no different than any other V8 block.
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Old 01-23-2005, 12:00 AM   #5
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Re: Re: Bolt-on Vortec heads in TBI Blocks?
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Originally posted by Raul_Chile
OK, but what happen with large pushrod?. are equals in large pushrod TBI Block and Vortec?

Thanks
Ok, thanks

I will get then a pair of L31
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Old 01-23-2005, 08:35 PM   #6
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You will need another intake. The vortecs have a different bolt pattern and the intake ports are taller (they wouldnt be vortecs if they werent).
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Old 01-23-2005, 10:02 PM   #7
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Re: Re: Re: Bolt-on Vortec heads in TBI Blocks?
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Originally posted by Raul_Chile
Ok, thanks

I will get then a pair of L31
I know that now. I will get a intake from USA via summit catolgue.

Today I and friends probe us a V6 Vortec Engine with custom intake and carburator 2 barrel Holley. Very niceˇ

But we need change or put other pump, in high RPM no working fine. But in general we are happy´s.

The Engine went put in Body Dayhatsu Rocky 4x4.

Thanks
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Old 01-23-2005, 10:02 PM
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