Will this intake system be sufficient?
10-28-2006, 01:23 PM
#1
Will this intake system be sufficient? Fast Toys ram air kit, Texas Speed & Performance 85mm lid, SLP 85mm MAF, SLP bellow, Nick William's 90mm TB, and FAST 90mm intake for a 415 ci naturally aspirated L92? I haven't decided what heads I'll be using, but I'll be using a L92 block (4.065" bore) with a 4" stroke. When more funds become available, I'll end up doing a custom sheet metal intake, but at this time with all the money being dumped into the new motor, I can't afford it. Should I change, delete, or add anything to my current intake system? I thought about doing a speed density tune and getting rid of the MAF, but hadn't decided yet. I may even do away with the Fast Toys ram air kit and custom fab one. Thanks.
10-29-2006, 11:19 AM
#3
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most intakes should start larger i.e. 95mm.... 90mm....90mm..... then 85mm.
and then get smaller.
yours has quite a few 85mm in front of the 90mm tb and intake.... I suggest ditching the MAF and getting a SD tune... also remove the other 85mm restrictions... you might as well have a 85mm TB and intake??
and then get smaller.
yours has quite a few 85mm in front of the 90mm tb and intake.... I suggest ditching the MAF and getting a SD tune... also remove the other 85mm restrictions... you might as well have a 85mm TB and intake??
10-31-2006, 11:48 AM
#4
I don't understand. (95mm, 90mm, 90mm, and then 85mm) Never heard of that. Not doubting you. I didn't even realize there was 95mm intake products out there.
Getting rid of the MAF for a SD tune has been in mind. If not, I don't know anything bigger than 85mm. I'm also not aware of a lid bigger than 85mm. So I don't know how I could get rid of the 85mm items if no one makes them bigger.
Getting rid of the MAF for a SD tune has been in mind. If not, I don't know anything bigger than 85mm. I'm also not aware of a lid bigger than 85mm. So I don't know how I could get rid of the 85mm items if no one makes them bigger.
11-01-2006, 11:02 AM
#5
I've been told that the FAST 90mm intake will be a bottle neck with the heads I'll be using, so if that's true, when I do get a custom sheet metal, what will I use for a throttle body, bellow, air lid, etc.?
For now, who do you guys suggest that I let port match my FAST 90mm intake?
For now, who do you guys suggest that I let port match my FAST 90mm intake?
11-03-2006, 01:40 PM
#7
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Originally Posted by Forteen3GT
most intakes should start larger i.e. 95mm.... 90mm....90mm..... then 85mm.
and then get smaller.
yours has quite a few 85mm in front of the 90mm tb and intake.... I suggest ditching the MAF and getting a SD tune... also remove the other 85mm restrictions... you might as well have a 85mm TB and intake??
and then get smaller.
yours has quite a few 85mm in front of the 90mm tb and intake.... I suggest ditching the MAF and getting a SD tune... also remove the other 85mm restrictions... you might as well have a 85mm TB and intake??
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11-03-2006, 01:44 PM
#8
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Originally Posted by Dragaholic
Fast Toys ram air kit, Texas Speed & Performance 85mm lid, SLP 85mm MAF, SLP bellow, Nick William's 90mm TB, and FAST 90mm intake for a 415 ci naturally aspirated L92? I haven't decided what heads I'll be using, but I'll be using a L92 block (4.065" bore) with a 4" stroke. When more funds become available, I'll end up doing a custom sheet metal intake, but at this time with all the money being dumped into the new motor, I can't afford it. Should I change, delete, or add anything to my current intake system? I thought about doing a speed density tune and getting rid of the MAF, but hadn't decided yet. I may even do away with the Fast Toys ram air kit and custom fab one. Thanks.
As far as all-around performance, including tq through the midrange, getting some heads where you port-match the FAST to would be great. Get some heads that will support that displacement and you should be good to go.
11-14-2006, 02:33 PM
#9
Change of plans. I'm doing away with the FAST intake as I'll be using a set of L92 heads which have a rectangular port combined with the L76 intake. I plan on getting rid of the MAF and doing a speed density tune. I will be able to reuse my Nick Williams throttle body on the L76 intake. So will the SLP bellow and TS&P 85mm lid be ok? I don't know of anyone that makes a bigger lid.
What are your thoughts on a MAFless (speed density) tune on a drag only application?
What are your thoughts on a MAFless (speed density) tune on a drag only application?
11-15-2006, 02:55 PM
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For a drag only application, you should be fine, unless you consitantly run in different altitudes. Speed density tuning has been shown to be suspect in this case.
However, your intake track is good. The larger lid and lack of MAF will increase the flow potential of your system, more than otherwise.
However, your intake track is good. The larger lid and lack of MAF will increase the flow potential of your system, more than otherwise.
11-16-2006, 12:22 AM
#15
I'm actually looking into doing away with the MAF and doing speed density. As far as Joe's induciton, I assume you mean LS1Joe, its awesome and is proven. I may do something similar, but definately not as drastic to cut the front facsia up.
11-16-2006, 08:34 AM
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Originally Posted by Dragaholic
What do you mean by this?
This means in different altitudes and different weather, you would theoretically have to get a re-tune to be optimal. Correct me if I'm wrong but if you race in a variety of weather a speed density tune doens't seem like a good idea. But I may be way off base here.
That's the beauty of a MAF, regardless of the weight of the air, it can determine to right a/f ratio on the fly, to be optimal.
11-16-2006, 12:08 PM
#18
orangeapeel, no choppin' for me. I might just do some cheap air ducting in the holes in the facsia routed to the intake as some have done here on the board.
lsx24, I think you may be right. I'll have to discuss this topic with someone I know who has first hand experience with this and get his opinion.
lsx24, I think you may be right. I'll have to discuss this topic with someone I know who has first hand experience with this and get his opinion.