How much you guys think?
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Posting Guru
Joined: Sep 2006
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From: Bristol TN.
How much you guys think?
How much pwer do you guys think this set up would have to the rear wheels?
302 converted to roller:
stock bottom end (rebuilt)
E303 cam
windsor jr. heads 1.94/1.60 180cc intake
crane roller rockers 1.6
shorty headers 1 5/8
weinand intake "stealth"
edelbrock 650 carb
3000 lb truck
C4
9 inch rear with 3.50 gearing
302 converted to roller:
stock bottom end (rebuilt)
E303 cam
windsor jr. heads 1.94/1.60 180cc intake
crane roller rockers 1.6
shorty headers 1 5/8
weinand intake "stealth"
edelbrock 650 carb
3000 lb truck
C4
9 inch rear with 3.50 gearing
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Without the flow numbers for the heads it's just a guessing game. The World Products heads work better than the stock castings.. which make about 275hp on a 5.0HO unported, and over 300hp when ported. How much better than that your combo would be is hard to know without at least plugging all the data into a simulation program like Desktop Dyno or running the motor on a real dyno.
Last edited by Conanski; Feb 1, 2008 at 11:59 AM.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Here's an old article with head flow comparisons. http://www.fordmuscle.com/archives/2003/02/afr/index2.php
To make a rough guess you take the percentage difference in flow between the stock head at 0.400" lift(HO cam) and the Windsor Jr at 0.500" lift(E303 valve lift) which is 186/141=1.32 and multiply that by 275hp you get roughly 360 horses.
To make a rough guess you take the percentage difference in flow between the stock head at 0.400" lift(HO cam) and the Windsor Jr at 0.500" lift(E303 valve lift) which is 186/141=1.32 and multiply that by 275hp you get roughly 360 horses.
Last edited by Conanski; Feb 1, 2008 at 12:09 PM.
Postmaster
Joined: Jun 2005
Posts: 2,656
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I got 234 out of mine with a C6 9" and transfer...not sure how much the transfer eats...guy at the dyno said I was pulling 314 or so at the flywheel..
check out the vid in my sig...he did like 5 pulls
and this truck smoked a 03 Hemi in the 1/4
check out the vid in my sig...he did like 5 pulls
and this truck smoked a 03 Hemi in the 1/4
Thread Starter
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Posting Guru
Joined: Sep 2006
Posts: 1,101
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From: Bristol TN.
thanks guys that helps alot, those numbers are very close to what I was guessing at. I was just thinking of a combo that wouldn't break the bank you know and still get good power. Oh, and are these numbers from the "wheels" you guys are giving me? Thats not bad for a street driven truck if it from the wheels.
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Postmaster
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