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geezer#99 · 11-23-2018, 09:58 AM

[QUOTE=
Okay I just read where a guy installed the this Blueprint engine and got = idle at 16 in. vac. and at 2100 rpm - cruise 21 in. vac. idles at 800 rpm very good. So I think that puts that to bed.

[/QUOTE]

Don’t believe those numbers. I wouldn’t.
Where did he live?
What was his timing curve like?
That effects his fantasy numbers.

You want the best chance of higher vacuum then look for a cam with wider lsa’s.
The blueprint is 110. The atk 112.
Better chance of more vacuum with the atk.

11-23-2018, 09:58 AM	#8
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,522	Re: Blueprint vs ATK Engines [QUOTE= Okay I just read where a guy installed the this Blueprint engine and got = idle at 16 in. vac. and at 2100 rpm - cruise 21 in. vac. idles at 800 rpm very good. So I think that puts that to bed. [/QUOTE] Don’t believe those numbers. I wouldn’t. Where did he live? What was his timing curve like? That effects his fantasy numbers. You want the best chance of higher vacuum then look for a cam with wider lsa’s. The blueprint is 110. The atk 112. Better chance of more vacuum with the atk.