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G30EXT
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GG30EXT reacted to Majoraslayer's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with
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You're right, and I had at least already planned on that part. However, I think I've decided to just order new injectors for my... -
GG30EXT reacted to PlayingWithTBI's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
FWIU, the 7.4L TB uses a different connector than the 5.7L on it too. I may be wrong though...
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GG30EXT reacted to Majoraslayer's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
This is the pic included of the bottom of the one I ordered, if that helps. It definitely seems to have more in common with the larger...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
Looks like TransDapt as well as others like Poweraid still offer the large base spacer I have but it is not cheap now days. It was a $60...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
The vacuum leak depends on which foot print the TBI uses. The marine TBI design was shared with the later truck 454s. The earlier 454s...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
If you look closely on that marine TBI it has the hard to find 25170301 Yellow/Black paint coded high pressure 61s that flow 104 lb/hr @...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
Oh and I grafted a small block linkage on to the 454 TBI because at the time I had a 700r4. Highly recomeend using the TV cable...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
This is the later style 454 or marine TBI. Even the 4.3L Vortec marine engines used this style. You can see where the huge vacuum leak...
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GG30EXT reacted to Sean Buick 76's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
lol get the wood chipper out
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
Here we go pictures. Small IAC early 454 or Helley style TBI with the tapered SBC spacer. It started out as a 2 hole non tapered spacer...
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
The early 454s have the standard thread in IAC as do the Holley TBIs.
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GG30EXT reacted to L31MaxExpress's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
When I had the stock style base Holley TBI I used the 1" spacer I had. It was a Transdapt. I cut the center divider in it and radiused...
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GG30EXT reacted to Majoraslayer's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
Title kinda says it all. I have Vortec heads on my 350 with a GM Performance Parts TBI intake, and just ordered a full throttle body...
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GG30EXT reacted to Sean Buick 76's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
Just test fit the TB on the intake before you bolt the intake on. Or remove the intake to test it. I do believe that you need to grind...
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GG30EXT reacted to Majoraslayer's post in the thread Swapping A 454 Throttle Body Onto 350 GM Performance Parts Vortec-To-TBI Intake with Like.
For me the biggest issue is taking the intake back off, I just got it installed and I'm not too keen on buying another intake gasket...
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