Port/Head Information

Ingeniator · 04-16-2014, 12:27 PM

Hey so I'm trying to do the preliminary design of my staged/sequential turbo setup. I know RB has an exhaust flange and someone else was working on an intake manifold. What I'm looking for is the port sizes. I haven't torn into either motor yet so I can't just measure. I'd like to properly size the piping and first step is port sizes. I appreciate any info you can give me. I tried a quick search on the other forum but didn't see the info I was looking for.

Also if anyone does a HPFP swap I'm looking for a couple used ones. I'm willing to pay core fee and shipping.

pwr hungry · 04-16-2014, 12:48 PM

Intake ports are approx 2 inches wide by 1 inch tall iirc. Not totally sure on radius, but I would guess 1/2 inch.

Ingeniator · 04-16-2014, 12:58 PM

Quote:

Originally Posted by pwr hungry

Intake ports are approx 2 inches wide by 1 inch tall iirc. Not totally sure on radius, but I would guess 1/2 inch.

Ok sweet. That helps for the calculations. Any exhaust side info?

pwr hungry · 04-16-2014, 01:44 PM

Maybe 1-1.5" diameter. Not very big. I'll measure my stock turbos when I get home if I remember.

Ingeniator · 04-16-2014, 02:17 PM

Quote:

Originally Posted by pwr hungry

Maybe 1-1.5" diameter. Not very big. I'll measure my stock turbos when I get home if I remember.

Interesting that is on the small side. If it is 1.5" I should be able to get away with a 4" maniflold.

BigHoncho · 04-16-2014, 03:21 PM

Quote:

Originally Posted by Ingeniator

Interesting that is on the small side. If it is 1.5" I should be able to get away with a 4" maniflold.

Thats because small (exhaust) valves and ports keep the velocity of the gas high, which is needed for fast turbo spool. But those dimensions are optimized for stock boost.

BAL278 · 04-16-2014, 03:23 PM

I can get you my HPFP after my swap this Saturday... pm me so we can arrange it

04-16-2014, 12:27 PM	#1
Ingeniator Major 34 Rep 1,093 Posts Drives: 07 335XI(90) 09 135I(82) Join Date: Nov 2013 Location: Fort Mac, Alberta iTrader: (1)	Port/Head Information Hey so I'm trying to do the preliminary design of my staged/sequential turbo setup. I know RB has an exhaust flange and someone else was working on an intake manifold. What I'm looking for is the port sizes. I haven't torn into either motor yet so I can't just measure. I'd like to properly size the piping and first step is port sizes. I appreciate any info you can give me. I tried a quick search on the other forum but didn't see the info I was looking for. Also if anyone does a HPFP swap I'm looking for a couple used ones. I'm willing to pay core fee and shipping. __________________ 07 335XI (A008006) 6AT ~94K miles JB4 G5 ISO VSRF DP's 09 135I M (VK80379) 6MT. Race Project car. 1) Install Cobb/piggyback? and Motiv 600 Kit[HTA3076R w/ tial .82] 2) JRZ or Moton suspension. 3) Build high flow intake manifold with multi-port fuel and relocate OFH 4) Build full cage 5) Complete staged twin setup with HTA4205R [w/Tial 1.16] 6) Complete dry sump system
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04-16-2014, 12:48 PM	#2
pwr hungry Banned 41 Rep 1,257 Posts Drives: 335 Join Date: Mar 2013 Location: Amer'ca iTrader: (2)	Intake ports are approx 2 inches wide by 1 inch tall iirc. Not totally sure on radius, but I would guess 1/2 inch.
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04-16-2014, 01:44 PM	#4
pwr hungry Banned 41 Rep 1,257 Posts Drives: 335 Join Date: Mar 2013 Location: Amer'ca iTrader: (2)	Maybe 1-1.5" diameter. Not very big. I'll measure my stock turbos when I get home if I remember.
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04-16-2014, 03:23 PM	#7
BAL278 Major 48 Rep 1,010 Posts Drives: E92 335xi JB Join Date: Jun 2011 Location: North NJ iTrader: (3)	I can get you my HPFP after my swap this Saturday... pm me so we can arrange it __________________ 2008 335xi Jet Black//Coral Red VTT Stage 1+// Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash Apex EC-7//Michelin PSS//Dinan CAI
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