I'd bet money on those of us with strokers having a more substantial increase. I had to reset my pcm and have a throttle body whistle at certain positions now(stock with the step ground out).
Side hood intake
- Thread starter Greasyfingers
- Start date
I'd bet money on those of us with strokers having a more substantial increase. I had to reset my pcm and have a throttle body whistle at certain positions now(stock with the step ground out).
Cheap HP for sure...
I'd agree since it appears the stock air box might be a slight restriction on a stock motor and a stroker is asking for more air.
Post in thread 'Dyno Testing Bolt-ons On The 4.0' https://wranglertjforum.com/threads/dyno-testing-bolt-ons-on-the-4-0.79004/post-1755945
Especially with the stroker. The stock horn on my air box is 42mm. The intake I’m planning is no less the 3” (76mm) to the throttle body which for me is 62mm instead of the stock 58mm. The cross sectional area of the pinch point is therefore doubled (approx. 1400 to 3000 mm squared). Gotta help based on @ Jezza’s stock 4.0 data. I will assume that for @Jezza the stock 58 mm throttle body is the pinch point since removing the filter element didn’t really do much. Speaking of the filter, the WIX Windstar filter flows 250 cfm vs the WIX sock 4.0 at 210 cfm. Does anyone know what the Jeep 7120 head flows?
Edit: AI says “The Jeep 7120 head has flow figures at 28 inches of water pressure drop, with intake flow reaching up to 192 cfm at 0.6 inches of valve lift and exhaust flow reaching up to 138 cfm at the same lift. This head is known for its performance in the Jeep 4.0L engines from 1991 to 1995” so the filter should not be limiting.
The 7120 head has identical ports and chambers to the 0630 head used on early tj's. difference being the temp sensor port on the yj head.
If you look on jeep strokers you can find russ pottengers flow data for stock,ported and edelbrock.
Jezza posted 210cfm vs 350cfm per wix website
I can't find the picture I had of a YJ with some thinner louver strips on it running down the side of the hood. I'd bought some louvers to do the same to my hood if needed but I think I've got enough air flow through my engine compartment now.
But as you said you are just looking for cooler air then the Windstar mod is going to be your best bang for the buck.
But as you said you are just looking for cooler air then the Windstar mod is going to be your best bang for the buck.
I didn’t know that
I need to spend more time there.
Confirmed. Although comparing the 2 side by side, its hard to say why assuming the same material. By eyeball the surface area of the Windstar doesn’t look to be a lot more
Cheapo kit from Amazon. I’m sure I’ll need to powder coat it again in a few years. Hecasa brand or something
But with these alternative intake systems (whether true CAI or not), has anyone returned to test again after the computer has time to adapt? Over here, that's what I took Blaine to be saying?
If you follow the thread you'll see he has enough dyno runs and hrs of run time for that to not be an issue with the windstar intake. 30 hole injectors? That is definitely something that needs tuning
Blaine decided to be a butthurt Lil bitch and block me after following me around on different threads trying to hurt my feelings,so I don't have the honor of seeing his self righteous posts anymore
Here are the louvers I'd bought to use on the side of the hood if needed. So far the Poison Spyder hood vent & the GenRight lovers are helping but the Hemi doe run warm.
This is what my hood looks like.
And I don't have the Windstar intake but this is my cowl induction
This is what my hood looks like.
And I don't have the Windstar intake but this is my cowl induction
No I don't. I bought them years ago I think off Ebay. I just measured the size of the hood and searched for some that width.
Well I might be talked into selling mine if I decide I don't need them... Give me a few more trail runs to see if I need them or not.
Similar threads
