I have a 84 Camaro with a carb'ed 305-HO...
I will be ripping it out to set in a 383 w/ a 750 Speed Demon... My Question is this... What kind of Fule pump does it have... In tank or InLine... What ever it is will it work for my 750S/D.... Will I need a AFPR??
Please let me know.... in advance Thank You....

TDM...

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THE DEVIL SOLD ME HIS SOUL.....

 

305 HO has a mechanical fuel pump. It should be a higher pressure pump with a return line. Replace it with a good high volume pump. The original pump will probably not have enough flow. You should be able to see the pump on the lower front passenger side of the engine.

John

Heart of Texas Power and Performance

 

Well I guess this question was posted in the wrong Forum.... I was thinking I could get at least a little help or ideas from here but I must be wrong....

Ps... By the way thanks for your help hotpowerandperf... Thank you for getting back to me.... Have a good one....



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THE DEVIL SOLD ME HIS SOUL.....

 

Don't know if you're still looking for help on this, but I'll throw something in anyways. The old engine should have a mechanical fuel pump on the front passenger side of the block, down at the bottom. The easiest thing to do would be to use the same setup on the 383, but switch to a high volume fuel pump. I figure Carter, Holley, and all those types of companies make them. The stock fuel pump is possibly just not enough for the needs of 383 inches. As far as I know, there is usually not a need for a fuel pressure regulator with a mechanical pump. Being meant for carbureted engines, they don't produce the high pressures that electric pumps do. So, my vote is to replace the stock mechanical fuel pump with an aftermarket high volume mechanical pump if you want to go the easy route. If you're looking for something more precise, you can get an electric pump and an adjustible fuel pressure regulator (not sure exactly what type, but it'll have to have a return line). Of course, that will cost more and be lots more work. Oh yeah, and I'm assuming the 383 is an older block that is set up for a mechanical fuel pump.