Web17 May 2010 · 49,855 Posts. #4 · May 17, 2010. mikes said: hi, yes manual shift but the only reason I asking is I believe i broke the modulator diaphram as the car is smoking real bad. … Web3 Jan 2010 · 386 Posts. #3 · Dec 21, 2009. The green stripe is the most common, the colours mean different spring tensions ie the softer the spring the lower & softer the shift points . By adjusting the screew out you allowing the vacuum to act more on the modulator . In the shop we used to order all green stripe for use in the 400 and 350 .
TCI 350001 GM TH350/TH400 Adjustable Vacuum Modulator Valve
WebTurbo 350 Vacuum Modulator Valve And Modulator Installation And Adjustment - YouTube 0:00 / 11:28 Turbo 350 Vacuum Modulator Valve And Modulator Installation And Adjustment Dragsters &... WebShift Improver Kit - GM TH400 Transmissions $56.29 Part# 20260 Add To Cart Hooker BlackHeart Heavy Duty Clamshell Engine Mounts $21.80 Part# 71221004HKR Add To … cowboys nrl team 2023
Turbo 350 Vacuum Modulator Valve And Modulator Installation ... - YouTube
Web24 Feb 2024 · TH400 vacuum modulator Team Chevelle Home Forums Mechanical Transmission & Driveline TH400 vacuum modulator Jump to Latest Follow 1 - 8 of 8 Posts D dmg1029 Premium Member Joined May 21, 2006 1,047 Posts Discussion Starter · #1 · Feb 23, 2024 I replaced my vacuum modulator on my TH400 (stock transmission) recently. Web6 May 2003 · 1975 Nova w/1966 427/manual th400, 11.8 @ 115mph. Save Share. O. Oldani Motorsports · Registered. Joined Feb 10, 2003 · 56 Posts #3 · Apr 21, 2003. Only show this user. No or low vac to the modulator tells the trans that you are under power, and want the fastest, hardest-hitting shifts possible, at a higher speed. Unless it is a race-only ... WebFind many great new & used options and get the best deals for Turbo 350 TH350 Vacuum Modulator Bracket at the best online prices at eBay! Free shipping for many products! ... Turbo Hydramatic 350 TH400 Adjustable Transmission Vacuum Modulator w/hose 88572. $16.40. $19.29 + $7.29 shipping. Check if this part fits your vehicle. Contact the seller ... cowboys number 15