Re: Hemi head CCs
[Re: cudaman1969]
#3098085
11/29/22 01:51 PM
11/29/22 01:51 PM
|
Joined: Aug 2003
Posts: 43,088
Bend,OR USA
Cab_Burge
I Win
|
I Win
Joined: Aug 2003
Posts: 43,088
Bend,OR USA
|
Mopar gave NHRA a spec of 168.5 CC for the iron 426 heads, they were never anywhere close to that stock. Always bigger by 10 to 20 CC. I raced a street hemi in NHRA stock for several years back in the mid 1970, none of the stock used heads I bought were close to that , all of them at 180.0 CC+, I also saw around 4.0 CC variance in the combustion chambers on all of stock those heads   I did have one set of the Mopar aluminum heads to build a motor for a customer and they were supposed to be 175.00 CC blueprinted
Last edited by Cab_Burge; 11/29/22 01:52 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
|
|
|
Re: Hemi head CCs
[Re: Cab_Burge]
#3098088
11/29/22 02:03 PM
11/29/22 02:03 PM
|
Joined: Jan 2003
Posts: 14,490
So. Burlington, Vt.
fast68plymouth
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 14,490
So. Burlington, Vt.
|
In my limited Hemi experience, most G2 heads are about 170cc ootb.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
|
|
|
Re: Hemi head CCs
[Re: cudaman1969]
#3098379
11/30/22 01:27 PM
11/30/22 01:27 PM
|
Joined: Dec 2006
Posts: 2,100
Byron, NY
W.I.N. Racing
top fuel
|
top fuel
Joined: Dec 2006
Posts: 2,100
Byron, NY
|
If your gonna try and make any power get them CC'd, if jsut a street motor guessing will work...most of the time
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60
'01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust,
'05 Dodge Magnum R/T - Too Much to list
'60 Willys CJ5
'01 International LPX - Project,DT466, Allison
'64 Plymouth Valiant, Inj 528 Hemi, 2spd
|
|
|
Re: Hemi head CCs
[Re: W.I.N. Racing]
#3098607
12/01/22 10:08 AM
12/01/22 10:08 AM
|
Joined: Jan 2003
Posts: 13,343
Marion, South Carolina [><]
an8sec70cuda
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 13,343
Marion, South Carolina [><]
|
Pretty sure my aluminum MP heads were 170 cc when new. Don't have my logbook here w/ me, but I'll try to remember to check it when I get home.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
|
|
|
Re: Hemi head CCs
[Re: dragon slayer]
#3098630
12/01/22 11:26 AM
12/01/22 11:26 AM
|
Joined: Jan 2003
Posts: 17,828
S.E. Michigan
ZIPPY
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 17,828
S.E. Michigan
|
I've only measured two sets, one -M and one Victor Jr, and I must admit my tools are backyard quality at best*, but I came up with 170cc on one set and 172 on the other.
*ML syringe, an old beat up piece of plexiglass with a couple holes drilled in it, water, and some chassis grease.... because I'd rather measure best as I can rather than not.
Rich H.
Esse Quam Videri
|
|
|
|
|
