RDL Castflow manifolds and Upipes

TrentNell

Finally underway !!!!!
Jul 7, 2008
7,543
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slc tuah
Sweet man ,I want to try out a set , I have seen them in person and they look real nice ! I need to install my LB7 mouth peice i just bought from Rick for the tow truck , just have been too busy .
 
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bcjoe

JERK
Mar 23, 2009
83
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Whistler British Columbia
I have been waiting for someone with the big kit to try to make these fit, if there is room with the 5" downpipe I will be ordering the same set. Thanks for being the guinea pig.:thumb:
 

ripmf666

Active member
Sep 20, 2006
15,123
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Wentzville Mo
I was talking with Rick earlier I have a older set of the Big twins for the LBZ and not sure if they with clear the down pipe. I know the fuel filter is hell to change.
 

turk walker

New member
Dec 16, 2006
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gillette,wyoming
fuel filter hard to change?
with my twin kit, the fuel filter was relocated right behind the passenger headlight.

or, were you meaning when fuel filter is in stock spot, with the new manifolds. There leaves little room to get the filter off?
 

MD-Dmax

New member
Jan 6, 2010
318
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no henrys in in stock spot with the twin and stock manifolds. trust me it was a PITA it took me a lil bit of time
 

ripmf666

Active member
Sep 20, 2006
15,123
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Wentzville Mo
As David said mine is still in the stock spot and stock manifolds and was a pain in the ass to change lol. I'm not sure if the pro flows will work with the older big twin kit like I have on my truck. The down pipe almost ontop of the stock manifold to up pipe flange. Will have to run by Ricks and have him take a look at it and see.
 

jdlover1

437 Cubic Inches
Oct 4, 2006
538
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chapanoke,nc
Heres some pics of my castflow manifolds and uppipes from rdl
 

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JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,714
776
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Texas!!!
As David said mine is still in the stock spot and stock manifolds and was a pain in the ass to change lol. I'm not sure if the pro flows will work with the older big twin kit like I have on my truck. The down pipe almost ontop of the stock manifold to up pipe flange. Will have to run by Ricks and have him take a look at it and see.
I thought you had the older stock turbo twin kit? Did I miss something?
 

ripmf666

Active member
Sep 20, 2006
15,123
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Wentzville Mo
Ok, so it has the upgraded big turbo. I gotcha :thumb:

Sorry about that should of stated it better lol. I never knew how much I missed the vvt til George took the gt42 of and installed the twins. I might later step up to a avnt4094 and 4718 or go with a S366 and S490 setup but that will be later in time mybe even in my 79 Z28
 

turk walker

New member
Dec 16, 2006
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gillette,wyoming
got them put on yesterday. should get rest of truck put back together today.
can't wait to go for a drive.
5" down pipe clears with no modding needed:thumb: