Posted October 15, 20213 yr comment_630042 Hi all, My restoration finished and with it my refreshed L28 picked up a Steve Bonk cam and a full head port and polish with intake matching by Reg Samuru. The cam has a great tone and idle and winds right up fast. I definitely notice more grunt mid range (where I drive) and overall am very pleased with it. The head was fully ported - and I do mean ported. Intake and exhaust had a lot of metal taken out an my intake was port matched, including locator pins on the head. Overall it is flowing more air, as measured by the increases in jet sizes to maintain nice AFRs (13.5 ish). There are lots of options out there but do consider reaching out to Steve in Chicagoland and Reg in Edmonton, AB, Canada. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/ Share on other sites More sharing options...
October 15, 20213 yr comment_630051 4 hours ago, jitenshakun said: Steve Bonk cam 4 hours ago, jitenshakun said: Reg Samuru Who are these people? I found a Facebook page but Facebook won't let me look at it unless I sign in. https://www.facebook.com/TransAmBSedan25Challenge/posts/steve-bonk-more-race-parts-for-sale-httpwwwebaycomitm350759573909sspagenamestrk3/237687966371107/ Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630051 Share on other sites More sharing options...
October 15, 20213 yr Author comment_630055 Who are these people? I found a Facebook page but Facebook won't let me look at it unless I sign in. https://www.facebook.com/TransAmBSedan25Challenge/posts/steve-bonk-more-race-parts-for-sale-httpwwwebaycomitm350759573909sspagenamestrk3/237687966371107/Both are on Facebook and home based Datsun guys. All my dealings were via FB, FB Messenger, and texts. Who needs a website anymore? Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630055 Share on other sites More sharing options...
October 15, 20213 yr comment_630056 Steve Bonk is on the Church of L Series facebook page a lot. I have his camshaft in my L28, well I had a set... It failed due to a casting flaw I think. He was going to take care of welding it and having it reground but the shop he uses is backed up and I've been without my Z waiting on the camshaft for going on two months now. Edited October 15, 20213 yr by Jeff Berk Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630056 Share on other sites More sharing options...
October 15, 20213 yr Author comment_630058 Ouch. That stings. A buddy has a Bonk cam for sale. He bought it but has decided to wait until he can do a long block rather than just popping a cam in. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630058 Share on other sites More sharing options...
October 15, 20213 yr comment_630059 Well, I only had 400 miles on that camshaft so the mechanic is not going to charge me for the reinstallation and Bonk is not going to charge him (as far as I know) so I'm going to wait for now on purchasing a substitute. This driving season is shot since it's almost time to put the car away for the winter. Come spring, if I don't have the camshaft back, I'm likely going to find another and absorb the loss. Edited October 15, 20213 yr by Jeff Berk add photograph Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630059 Share on other sites More sharing options...
October 15, 20213 yr Author comment_630060 Steve does stand behind his work, but time is time. I hope it works out soon. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630060 Share on other sites More sharing options...
October 15, 20213 yr comment_630062 57 minutes ago, jitenshakun said: 1 hour ago, Zed Head said: Who are these people? I found a Facebook page but Facebook won't let me look at it unless I sign in. https://www.facebook.com/TransAmBSedan25Challenge/posts/steve-bonk-more-race-parts-for-sale-httpwwwebaycomitm350759573909sspagenamestrk3/237687966371107/ Both are on Facebook and home based Datsun guys. All my dealings were via FB, FB Messenger, and texts. Who needs a website anymore? Thanks. I wonder if these guys know that by using only Facebook they are limiting their visibility to potential customers. I don't know if Facebook knows that I have an account because of my email address and are trying to force me to sign in, or if those pages are closed to everybody without a Facebook account. Either way, I could not look at the page without being a signed-in Facebook member. This isn't a comment meant to imply anything about the Facebook users out there. It's popular. Just pointing out the fact that the way it's set up forces users to join and sign in if they want to see Steve Bonk or the other guy's products. They might not realize that. Pretty fascinating how much control Facebook has, without people realizing it. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630062 Share on other sites More sharing options...
October 15, 20213 yr comment_630063 Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630063 Share on other sites More sharing options...
October 15, 20213 yr Popular Post comment_630066 I have the same problem with Pinterest and it's gotten to the point where sometimes I add -pinterest to the search to try and filter out Pinterest results. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630066 Share on other sites More sharing options...
October 16, 20213 yr comment_630067 36 minutes ago, Jeff Berk said: I add -pinterest to the search to try and filter out Pinterest results. Thank you! That helped. Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630067 Share on other sites More sharing options...
October 16, 20213 yr comment_630068 Steve’s Z…… 29C61EA8-2249-4F82-9730-81205592B192.MOV Link to comment https://www.classiczcars.com/forums/topic/65934-bonk-cam-and-samuru-head/#findComment-630068 Share on other sites More sharing options...
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