The left flywheel pictured is the earlier Silvertop design though the appropriate could be the lightened Blacktop.
To cut back noise the Blacktop belt featured a slightly unique form enamel profile, This can be on the belt only along with the profile on the push / pushed pulleys(s) remains unchanged and therefore is cross appropriate.
They're not interchangeable without modifications to the wiring loom / harness. See out Workshop guide article for a tutorial on converting this Silvertop wiring loom / harness to get appropriate which has a Blacktop ECU.
This is the tutorial for creating a educated comparison amongst the 20V Silvertop and Blacktop engines with an outline of the primary difference defined. Some more compact dissimilarities aren't coated and You will also find some differences among the first and 2nd era of Silvertop engines.
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Pictured within the remaining is the Silvertop port along with the Blacktop port at the proper, however the Blacktop head has been given some porting to remove sharp edges internally.
To allow for the main difference in cam belt tensioners the oil pump castings are diverse between the engines. They may be interchangeable if all the opposite belt tensioning pieces and cam belt are altered simultaneously.
Billet Alloy anodized bracket is engineered to suit all ignition coils in a method that allows user-helpful entry to every one of the coil plugs and spark plugs inside of a non-invasive manner.
The combustion chambers in between the engines are pretty diverse when it comes to their squish space. Even though their valve size and situation are identical the Silvertop contains a chamber using a squish location in every gap concerning the valves.
To permit for the various cam belt tensioner (see “Camshafts belt tensioner”) the Blacktop cam belt is a single website tooth shorter at 110 compared to the 111 of your Silvertop.
It also has higher compression ratio, and reformulated combustion chambers to Increase the gas economic system and emissions. All variants used belt-pushed SOHC 8-valve counter-circulation cylinder heads with only one downdraft carburetor.
It may be denoted by a grey include on the best-mounted intercooler using an emblem reading "Twin Cam 16 Supercharger". While this address was also utilised on early AE92s with the very first-era 4A-GZE, The dearth of AFM and its subsequent substitute with MAP during the later AE92s would make this generation simply recognizable.
The strongest of your sixteen-valve 4A-GE engines, usually known as the "red top" (because of the red creating), which creates 140 PS (103 kW) at six,600 rpm. The 4A-GE was a number of significant-general performance 4-cylinder twincam engines created by Toyota and was developed at Toyota's Shimoyama plant alongside the 4A and 2A engines.[24] The reliability and performance of such engines has earned them a good range of lovers plus a admirer base as they are a favorite option for an engine swap into other Toyota vehicles such as the KE70 and KP61.
On paper this calculates for the Blacktop getting a 9.5% greater cross sectional location. Even so resulting from acquiring a similar shaft width concerning them the actual big difference in stream could well be a little bit bigger all over again.